300 IEM Series
Instruction manual
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Contents
Contents
Important safety instructions ........................................................................................................................ 2
The evolution wireless series ew 300 IEM G3 ................................................................................................ 3
The frequency bank system ........................................................................................................................... 4
Product overviews .......................................................................................................................................... 5
Overview of the SR 300 IEM G3 transmitter ............................................................................................. 5
Overview of the displays of the SR 300 IEM G3 transmitter .................................................................... 6
Overview of the EK 300 IEM G3 diversity receiver ................................................................................... 7
Overview of the displays of the EK 300 IEM G3 diversity receiver .......................................................... 8
Putting the devices into operation ................................................................................................................ 9
Putting the SR 300 IEM G3 transmitter into operation ............................................................................ 9
Putting the EK 300 IEM G3 diversity receiver into operation ................................................................ 14
Using the devices .......................................................................................................................................... 16
Switching the devices on/off .................................................................................................................. 16
Monitoring the audio signal via headphones ......................................................................................... 17
Selecting a standard display on the diversity receiver .......................................................................... 18
Deactivating the lock mode temporarily ................................................................................................ 18
Adjusting the audio channels on the transmitter .................................................................................. 19
Activating/deactivating the RF signal on the transmitter .................................................................... 19
Synchronizing transmitters and EK 300 IEM G3 receivers via the infra-red interface .......................... 20
Using the operating menus .......................................................................................................................... 23
The buttons of the SK 300 IEM G3 transmitter ...................................................................................... 23
The buttons of the EK 300 IEM G3 diversity receiver ............................................................................. 23
Overview of the operating menus .......................................................................................................... 24
Synchronizing the transmitter with the diversity receiver ....................................................................... 27
Cleaning the devices ..................................................................................................................................... 28
If a problem occurs ... .................................................................................................................................... 29
Specifications ................................................................................................................................................ 31
System ..................................................................................................................................................... 31
SR 300 IEM G3 transmitter ..................................................................................................................... 31
NT 2-3 mains unit .................................................................................................................................... 32
EK 300 IEM G3 diversity receiver ............................................................................................................ 32
Connector assignment ............................................................................................................................ 33
Accessories .................................................................................................................................................... 33
Manufacturer Declarations .......................................................................................................................... 34
For more detailed information on the individual sections of this instruction manual, visit the
1
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Important safety instructions
Important safety instructions
System
• Read this instruction manual.
• Keep this instruction manual. Always include this instruction manual when passing the
products on to third parties.
• Heed all warnings and follow all instructions in this instruction manual.
• Only clean the products when they are not connected to the mains. Use a cloth for cleaning.
• Only use attachments/accessories specified by Sennheiser.
• When replacement parts are required, only use replacement parts specified by Sennheiser
or those having the same characteristics as the original part. Unauthorized substitutions
may result in fire, electric shock, or other hazards.
• Refer all servicing to qualified service personnel. Servicing is required if the products have
been damaged in any way, liquid has been spilled, objects have fallen inside, the products
have been exposed to rain or moisture, do not operate properly or have been dropped.
• WARNING: To reduce the risk of fire or electric shock, do not use the products near water
and do not expose them to rain or moisture.
SR 300 IEM G3 transmitter
• Only use the supplied mains unit.
• Unplug the mains unit from the wall socket
– to completely disconnect the product from the mains,
– during lightning storms or
– when unused for long periods of time.
• Only operate the mains unit from the type of power source specified in the chapter
“Specifications” (see page 31).
• Ensure that the mains unit is
– in a safe operating condition and easily accessible,
– properly plugged into the wall socket,
– only operated within the permissible temperature range,
– not covered or exposed to direct sunlight for longer periods of time in order to prevent
• Do not block any ventilation openings. Install the products in accordance with the
instructions given in this instruction manual.
• Do not install the products near any heat sources such as radiators, stoves, or other devices
(including amplifiers) that produce heat.
• Do not overload wall outlets and extension cables as this may result in fire and electric
shock.
2
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The evolution wireless series ew 300 IEM G3
• Danger due to high volumes
This product is also intended for professional use. Commercial use is subject to the safety-
at-work regulations. Sennheiser, as the manufacturer, is therefore obliged to expressly
point out possible health risks arising from use.
This product is capable of producing sound pressure exceeding 85 dB(A). 85 dB(A) is the
sound pressure corresponding to the maximum permissible volume which is by law (in
some countries) allowed to affect your hearing for the duration of a working day. It is used
as a basis according to the specifications of industrial medicine. Higher volumes or longer
durations can damage your hearing. At higher volumes, the duration must be shortened in
order to prevent hearing damage. The following are sure signs that you have been
subjected to excessive noise for too long a time:
– You can hear ringing or whistling sounds in your ears.
– You have the impression (even for a short time only) that you can no longer hear high
notes.
EK 300 IEM G3 diversity receiver
Do not place the product near any heat sources such as radiators, heat registers, stoves, or
other devices (including amplifiers) that produce heat.
Intended use of the system
Intended use of the ew 300 IEM G3 series system includes:
• having read this instruction manual especially the chapter “Important safety instructions”,
• using the products within the operating conditions and limitations described in this
instruction manual.
“Improper use” means using the products other than as described in these instructions, or
under operating conditions which differ from those described herein.
The evolution wireless series ew 300 IEM G3
The evolution wireless monitoring system ew 300 IEM G3 is a high-quality state-of-the-art
RF transmission system with a high level of operational reliability and ease of use.
Transmitter and diversity receiver are designed for monitoring applications and permit
wireless transmission with studio-quality sound.
Features of the evolution wireless 300 IEM G3 series:
SR 300 IEM G3 transmitter
EK 300 IEM G3 receiver
• Optimized PLL synthesizer and microprocessor technology
• HDX noise reduction system
• Switching bandwidth of 42 MHz
• Stereo/mono selection
• Stereo/Focus selection
• Easy setup of a multi-channel system
using the Easy Setup Sync function
• Safe configuration of a multi-channel
system using the WSM
• Adaptive diversity technology*
• Scan function (Easy Setup) for scanning
the frequency banks for unused channels
• Adjustable and switchable limiter
* The receiver uses the ground connection of the earphones cable as its second antenna to
provide improved reception.
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The frequency bank system
The frequency bank system
Transmitter and receiver are available in 6 UHF frequency ranges with 1,680 frequencies per
frequency range:
Range G:
566 – 608
Range B:
Range E:
Range A:
516 – 558
Range C:
734 – 776
Range D:
780 – 822
626 – 668
823 – 865
Each frequency range (A–E, G) offers 26 frequency banks with up to 16 channels each:
Channel 1 – frequency preset
Channel 2 – frequency preset
Frequency bank 1... 20
Channel 16 – frequency preset
Channel 1 – freely selectable frequency
Channel 2 – freely selectable frequency
Frequency bank U1 ... U6
Channel 16 – freely selectable frequency
Each of the channels in the frequency banks “1” to “20” has been factory-preset to a fixed
frequency (frequency preset). The factory-preset frequencies within one frequency bank are
intermodulation-free. These frequencies cannot be changed.
For an overview of the frequency presets, please refer to the supplied frequency information
sheet. Updated versions of the frequency information sheet can be downloaded from the
The frequency banks “U1” to “U6” allow you to freely select and store frequencies. It might
be that these frequencies are not intermodulation-free (see page 28).
4
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Product overviews
Product overviews
Overview of the SR 300 IEM G3 transmitter
PEAK PEAK
B.Ch: 1.
1
ew300IEM
Stereo Transmitter
0
0
-10 -10
-20 -20
519.150MHz
A
B
-30
-40 -40
AF
AF II
-30
EQ
Standard -18dB
I
PUSH
PUSH
Stereo Transmitter SR 300 IEM
IDENT NO 627925
SER NO 2518100155
IC 2099A-G3SREK
FREQ Range-D 780-822 MHz
0682
DESIGNED AND MADE IN GERMANY
ANT
Loop Out
BAL
+22dBu
MAX
BAL
AF IN
L(I)
R(II)
L(I)
+22dBu MAX
R(II)
RF OUT
Ƽ
¸
¹
Ƹ
ƹ ƺ
ƻ
A
B
Operating elements – front panel
Operating elements – rear panel
³ Headphone output,
º Cable grip for power supply DC cable
¼” (6.3 mm) jack socket (
)
¾ DC socket (DC IN) for connection of
· Headphone volume control
NT 2-3 mains unit
»
button, backlit
µ LED (yellow) for network activity
indication
¿ Infra-red interface
¸ LAN socket (ETHERNET RJ 45)
´ Display panel, backlit in orange
¹ Audio output left (LOOP OUT BAL L(I)),
² Jog dial
¼” (6.3 mm) jack socket
¶ STANDBY button with operation
indication (red backlighting),
serves as the ESC (cancel) key in the
operating menu
Ƹ Audio output right (LOOP OUT BAL R(II)),
¼” (6.3 mm) jack socket
ƹ Type plate
ƺ Audio input left (BAL AF IN L(I)),
¼” (6.3 mm) jack/XLR-3 combo socket
ƻ Audio input right (BAL AF IN R(II)),
¼” (6.3 mm) jack/XLR-3 combo socket
Ƽ Antenna output (RF OUT)
with remote power supply input,
BNC socket
In mono mode, the signal from the left audio input BAL AF IN L(I)
jack/XLR-3 combo socket is transmitted
ƺ
(¼” (6.3 mm)
)
.
5
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Product overviews
Overview of the displays of the SR 300 IEM G3 transmitter
After switch-on, the transmitter displays the standard display.
ብ
ቤ
ቢ
ባ
PEAK PEAK
ew300IEM
B.Ch: 1. 1
0
0
ቦ
-10 -10
-20 -20
-30 -30
-40 -40
MHz
519.150
EQ
Standard -18dB
ቧ
ቨ
ቩ
ቪ
Display
ቢ Audio level
Meaning
Modulation of the left (AF I) and right
(AF II) audio channel with peak hold
function
PEAK PEAK
(AF = Audio Frequency)
0
0
-10 -10
-20 -20
-30 -30
-40 -40
AF I AF II
When the displays show full deflection,
the audio input level is excessively high.
When the transmitter is overmodulated
frequently or for extended periods of time,
the “PEAK” display is shown inverted. In
addition, the display backlighting changes
from orange to red and “AF-PEAK” flashes
in alternation with the standard display.
ባ Frequency bank and
Current frequency bank and channel number
channel
ቤ Frequency
Current transmission frequency
Freely selectable name of the transmitter
RF signal is being transmitted
Current transmission power
ብ Name
ቦ Transmission icon
ቧ Transmission power
ቨ Equalizer setting
ቩ Input sensitivity
Current equalizer setting
Current input sensitivity for the audio signal available
at the audio input sockets BAL AF IN L (I) ƺ and
BAL AF IN R (II) ƻ
ቪ Lock mode icon
Lock mode is activated (see page 18)
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Product overviews
Overview of the EK 300 IEM G3 diversity receiver
³
·
»
¿
ƹ
²
Ƹ
¹
´
²
¶
º
¸
¾
µ
¸
³ On/off/volume control
² Charging contacts
· 3.5 mm stereo jack socket (PHONES),
¶ SET button
lockable
º ̆/̄ rocker button (UP/DOWN)
¾ Battery compartment
(the shield is used by antenna II)
» Antenna I
µ Battery compartment cover
¸ Battery compartment catches
¹ Infra-red interface
¿ Operation and battery status indicator,
red LED
lit = ON
flashing = LOW BATTT
Ƹ ESC button
´ RF signal indication, green LED
ƹ Display panel, backlit in orange
lit = RF
7
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Product overviews
Overview of the displays of the EK 300 IEM G3 diversity receiver
After switch-on, the diversity receiver displays the standard display “Frequency/Name”. For further illustrations and
examples of the different standard displays, refer to page 18. The standard display displays the operating states of the
diversity receiver. The display backlighting is automatically reduced after approx. 20 seconds.
MHz
519.150
ew300 IEM
MUTE
AF P
RF
Display
RF level “RF”
(Radio Frequency)
Meaning
ቢ
Diversity display:
Antenna input I is active
Antenna input II is active
RF signal level:
Field strength of the received signal
RF
Squelch threshold level
Peak hold function
ባ Audio-Pegel „AF“
(Audio Frequency)
Modulation of the transmitter (channel-separated when the transmitter is set to
stereo mode)
When the display shows full deflection, the audio input level is excessively high.
ቤ Frequency
ብ Name
Current receiving frequency
Freely selectable name of the receiver
Lock mode is activated (see page 18)
Charge status:
ቦ Lock mode icon
ቧ Battery status
approx. 100%
approx. 70%
¿
approx. 30%
charge status is critical, the red LOW BATT LED ¿ is flashing
:
ቨ Muting function
“MUTE”
• when the transmitter’s RF signal is deactivated
• or when the transmitter is set to mono mode and therefore does not transmit a pilot tone
but the receiver’s pilot tone evaluation is activated.
or audio channels
The audio channels are only displayed on the “Frequency/Limiter” and “Frequency/High
Stereo
Focus
ቩ Pilot tone “P”
Activated pilot tone evaluation
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Putting the devices into operation
Putting the devices into operation
Putting the SR 300 IEM G3 transmitter into operation
When using more than one transmitter, we recommend connecting remote
antennas and, if necessary, using Sennheiser antenna accessories. Fore more
Setting up the transmitter on a flat surface
Place the transmitter on a flat, horizontal surface. Please note that the device feet can leave
stains on delicate surfaces.
The rack mount “ears” are designed to help protect the operating elements from
damage or deformation, e.g. if the transmitter is dropped. Therefore, fasten the rack
mount “ears”, even if you do not want to rack mount your transmitter.
Mounting the rack
mount “ears”
To fasten the rack mount “ears”
:
̈ Unscrew and remove the two recessed head screws (M4x8) on each side of the
transmitter.
̈ Secure the rack mount “ears”
to the sides of the transmitter using the previously
removed recessed head screws.
Fitting the device feet
Do not fit the device feet when mounting the transmitter into a 19” rack.
̈ Clean the base of the transmitter where you want to fix the device feet.
̈ Fit the device feet to the four corners of the transmitter.
Connecting the The supplied rod antenna ꢀ is suitable for use in good reception conditions.
rod antenna
̈ Connect the rod antenna ꢀ to the BNC socket Ƽ.
ꢀ
Ƽ
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Putting the devices into operation
Mounting the transmitter into a 19” rack
Do not fit the device feet when mounting the transmitter into a 19” rack.
CAUTION!
Risks when rack mounting the transmitter!
When installing the device in a closed or multi-rack assembly, please consider that, during
operation, the ambient temperature, the mechanical loading and the electrical potentials will
be different from those of devices which are not mounted into a rack.
̈
Make sure that the ambient temperature within the rack does not exceed the permissible
temperature limit specified in the SR 300 IEM G3 specifications. If necessary, provide
additional ventilation.
̈
̈
Make sure that the mechanical loading of the rack is even.
When connecting to the power supply, observe the information indicated on the type
plate. Avoid circuit overloading. If necessary, provide overcurrent protection.
̈
When rack mounting, please note that intrinsically harmless leakage currents of the
individual mains units may accumulate, thereby exceeding the allowable limit value. As a
remedy, ground the rack via an additional ground connection.
Rack mounting one ̈ Secure the rack mount “ears”
of the supplied GA 3 rack adapter to the transmitter as
transmitter
described on page 9.
̈ Secure the blanking plate
to one of the rack mount “ears” using two recessed head
screws (M 6x10) (see diagram).
̈ Connect the antenna. You have the following options:
– You can connect the supplied rod antenna ꢀ to the rear of the transmitter
blanking plate.
into the holes of the
– You can use the AM 2 antenna front mount kit (optional accessory) and mount the rod
antenna to the blanking plate
.
– You can use a remote antenna, if necessary in conjunction with the AC 3 antenna
combiner.
̈ Slide the transmitter with the mounted blanking plate
̈ Secure the rack mount “ear” and the blanking plate
into the 19” rack.
to the 19” rack.
10
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Putting the devices into operation
Rack mounting two To mount two transmitters into a rack using the GA 3 rack adapter:
transmitters
̈ Place the two transmitters side by side upside-down onto a flat surface:
̈ Secure the jointing plate to the transmitters using six recessed head screws (M 3x6).
̈ Secure the rack mount “ears”
to the transmitters as described on page 9.
To mount the antennas:
̈ Use remote antennas, if necessary in conjunction with the AC 3 antenna combiner.
To mount the transmitters into the rack:
̈ Slide the transmitters into the 19” rack.
̈ Secure the rack mount “ears” to the 19” rack.
Connecting the mains unit
Only use the supplied mains unit. It is designed for the transmitter and ensures safe
operation.
º
̈ Insert the yellow connector of the NT 2-3 mains unit into the yellow socket ¾ of the
transmitter.
̈ Pass the cable of the mains unit through the cable grip º.
̈ Slide the supplied country adapter ƿ onto the mains unit ƾ.
¾
̈ Plug the mains unit ƾ into a wall socket.
ƿ
The STANDBY button is backlit in red.
The AC 3 antenna combiner incorporates DC distribution to enable simultaneous
powering of up to four transmitters via its BNC sockets. These transmitters do not
require their individual power supply (see also page 12).
ƾ
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Putting the devices into operation
Connecting devices to the input sockets
̈ Use a suitable cable to connect the output of an external device (e.g. a mixing console or an
additional SR 300 IEM G3) to the input socket BAL AF IN L(I) ƺ and/or BAL AF IN R(II) ƻ
PUSH
PUSH
BAL
AF IN
+22dBu MAX
̈ Adjust the output level of your external device.
L(I)
R(II)
̈ Via the operating menu, adjust the transmitter’s input sensitivity. The input sensitivity is
ƺ
ƻ
The input amplifier of the SR 300 IEM G3 is designed for line level input.
Connecting devices to the output sockets
̈ Use a suitable cable to connect the input of an external device (e.g. a mixing console or an
additional SR 300 IEM G3) to the output socket LOOP OUT BAL L(I) ¹ and/or LOOP OUT
Stereo Transmitter SR 300 IEM
IDENT NO 627925
SER NO 2518100155
IC 2099A-G3SREK
FREQ Range-D 780-822 MHz
0682
DESIGNED AND MADE IN GERMANY
FMO
Loop Out
BAL
+22dBu
MAX
L(I)
R(II)
The signal received from the AF input sockets BAL AF IN L(I) ƺ and BAL AF IN R(II) ƻ
is actively buffered and then routed to the output sockets LOOP OUT BAL L(I) ¹ and
LOOP OUT BAL R(II) Ƹ. The AF output sockets will therefore work only when the
transmitter is switched on and powered.
¹
Ƹ
Connecting a remote antenna to the BNC socket and positioning the antenna
Use a remote antenna when the transmitter position is not the best antenna position for
optimum transmission. You can choose between two antennas:
• A 2003 UHF passive directional antenna
• A 1031 passive omni-directional antenna
̈ Use a low-attenuation 50-Ω cable to connect the antenna to the transmitter.
̈ If possible, use a short antenna cable and as little connections as possible, since long
cables and many connectors lead to an attenuation of the antenna signal.
̈ Position the antenna in the same room in which the transmission takes place.
̈ Observe a minimum distance of 1 m between the antenna and metal objects (including
reinforced concrete walls).
Connecting the AC 3 antenna combiner to the BNC socket
To make multi-channel systems, you should use the AC 3 antenna combiner (optional
accessory). The AC 3 allows you to operate up to four transmitters with a single antenna
without virtually any intermodulation. In addition, the AC 3 incorporates DC distribution to
enable simultaneous powering of up to four transmitters via its BNC sockets.
PUSH
ANT
BAL
AF IN
+22dBu MAX
R(II)
RF OUT
̈ Connect the AC 3 antenna combiner to the BNC socket Ƽ.
Ƽ
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Putting the devices into operation
Daisy chaining audio signals
You can transmit the same audio signal (e.g. the sum of all audio signals) to several diversity
receivers of a multi-channel system. To do so, you have to daisy chain this audio signal from
one transmitter to the next via the output sockets LOOP OUT BAL L(I) ¹ or
LOOP OUT BAL R(II) Ƹ. The audio signal is then transmitted by all transmitters on one of the
two audio channels L(I) or R(II). The second audio channel allows you to transmit an
individual audio signal (e.g. the instrument of a musician). Using the balance setting on the
receiver, you can then adjust the relative levels of the sum of all audio signals and the
individual audio signal. For this, the transmitter has to be set to stereo mode and the receiver
to Focus mode.
A
B
C
Loop Out
BAL
+22dBu
MAX
BAL
AF IN
L(I)
L(I)
L(I)
R(II)
R(II)
R(II)
L(I)
L(I)
L(I)
+22dBu MAX
R(II)
R(II)
R(II)
RF OUT
RF OUT
RF OUT
To daisy chain an audio signal from one transmitter to the next:
̈ Route
a
signal from the mixing console to the input socket (in this example:
BAL AF IN R(II) ƻ) of transmitter A.
Loop Out
BAL
+22dBu
MAX
BAL
AF IN
+22dBu MAX
̈ Connect the output socket LOOP OUT BAL R(II) Ƹ of transmitter A to the input socket
BAL AF IN R(II) ƻ of transmitter B.
̈ Connect the output socket LOOP OUT BAL R(II) Ƹ of transmitter B to the input socket
Loop Out
BAL
BAL AF IN R(II) ƻ of transmitter C.
+22dBu
MAX
BAL
AF IN
+22dBu MAX
̈ Repeat for the other transmitters.
The AF output sockets LOOP OUT BAL L(I) ¹ and/or LOOP OUT BAL R(II) Ƹ will work
only when the transmitter is switched on and powered (see page 12).
Connecting transmitters in a network
You can connect several transmitters in a network. The transmitters are remote controlled via
a PC running the “Wireless Systems Manager” (WSM) software. This software will assist in
the quick and safe configuration of multi-channel systems.
The “Wireless Systems Manager” (WSM) software can be downloaded from the
̈ Connect a standard network cable (at least Cat 5) to the LAN socket ¸ of the transmitter.
̈ Connect your transmitter to an Ethernet switch.
Stereo Transmitter SR
IDENT NO 627925
SER NO 2518100155
IC 2099A-G3SREK
3
FREQ Range-D 780-822 MHz
0682
DESIGNED AND MADE IN GERMANY
FMO
Loop O
BAL
̈ Connect the other transmitters to the Ethernet switch.
+22dBu
MAX
L(I)
̈ Connect a PC to the Ethernet switch.
When a transmitter is properly connected to the Ethernet switch or the PC, the yellow
LED µ at the rear of the transmitter lights up.
µ ¸
For further information on network operation using the WSM software, refer to page 27.
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Putting the devices into operation
Putting the EK 300 IEM G3 diversity receiver into operation
Inserting the batteries/accupack
For powering the diversity receiver, you can either use two 1.5 V AA size batteries or the
rechargeable Sennheiser BA 2015 accupack.
̈ Open the battery compartment by pushing the two catches ¸ in the direction of the
arrows and open the cover µ.
̈ Insert the two batteries or the accupack as shown above. Please observe correct polarity
when inserting the batteries/accupack.
̈ Close the battery compartment by pressing on the center of the cover µ.
The battery compartment cover µ locks into place with an audible click.
Charging the accupack
To charge the BA 2015 accupack:
̈ Insert the diversity receiver into the L 2015 charger (optional accessory).
The L 2015 charger can only charge the combination BA 2015 accupack/diversity
receiver. Standard batteries (primary cells) or individual rechargeable battery cells
cannot be charged.
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Putting the devices into operation
Attaching the diversity receiver to clothing
You can use the belt clip ƺ to attach the diversity receiver to clothing (e.g. belt, waistband).
ƺ
The belt clip is detachable so that you can also attach the diversity receiver with the antenna
pointing downwards. To do so, withdraw the belt clip from its fixing points and attach it the
other way round. The belt clip is secured so that it cannot slide out of its fixing points
accidentally.
To detach the belt clip:
̈ Lift one side of the belt clip as shown.
̈ Press down the belt clip at one fixing point and pull it out of the receiver housing.
̈ Repeat for the other side.
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Using the devices
Using the devices
To establish a transmission link, proceed as follows:
1. Switch the transmitter on.
2. Switch the diversity receiver on.
The transmission link is established.
It is vital to observe the notes on frequency selection on page 27.
If you cannot establish a transmission link between transmitter and receiver:
̈ Make sure that transmitter and receiver are set to the same frequency bank and to the
same channel – the easiest way is to synchronize the devices (see page 20).
Switching the devices on/off
Switching the SR 300 IEM G3 transmitter on/off
To switch the transmitter on (online operation):
̈
Press the STANDBY button ¶.
The transmitter switches on and the standard display appears.
The transmitter transmits an RF signal and the transmission icon
ቦ
is displayed.
ᕧ
To switch the transmitter on and to deactivate the RF signal on switch-on (offline operation):
̈
Press the STANDBY button ¶ until “RF Mute On?” appears on the display panel.
̈
Press the jog dial.
The transmission frequency is displayed but the transmitter does not transmit
an RF signal. The transmission icon
ቦ
is not displayed. In addition, the display
backlighting changes from orange to red and “RF Mute” flashes in alternation
with the standard display.
Use this function to prepare a transmitter for use during live operation without
causing interference to existing transmission links.
To activate the RF signal:
̈
Briefly press the STANDBY button ¶.
“RF Mute Off” appears on the display panel.
̈
Press the jog dial.
The transmission icon
ቦ
is displayed again.
To switch the transmitter to standby mode:
̈
Keep the STANDBY button ¶ pressed until “OFF” appears on the display panel.
The transmitter switches to standby mode.
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Using the devices
When in the operating menu, pressing the STANDBY button ¶ will cancel your
entry (ESC function) and return you to the standard display.
The STANDBY button ¶ is backlit in red both during operation and in standby
mode.
To completely switch the transmitter off:
̈ Disconnect the transmitter from the mains by unplugging the mains unit from the wall
socket. The backlighting of the STANDBY button ¶ goes off.
Switching the EK 300 IEM G3 diversity receiver on/off
To switch the diversity receiver on:
ᕡ
̈ Turn the volume control ³ clockwise until it clicks.
The red ON LED ¿ lights up. The “Frequency/Name” standard display appears on the
display panel.
To switch the diversity receiver off:
ᕤ
̈ Turn the volume control ³ counterclockwise until it clicks.
The red ON LED ¿ goes off and the diversity receiver switches off.
Monitoring the audio signal via headphones
CAUTION!
Danger of hearing damage!
Listening at high volume levels for long periods can lead to permanent hearing defects.
̈
̈
Set the volume control to the minimum position before putting the headphones on.
Do not continuously expose yourself to high volumes.
To monitor the audio signal via the headphone output of the diversity receiver:
̈ When switching the receiver on, slowly and carefully turn the volume control ³ clockwise.
– stereo or Focus operation (“Mode” menu item)
ᕡ
·
– the balance (“Balance” menu item)
– the treble boost (“High Boost” menu item)
– the limiter (“Limiter” menu item)
The ground connection of the earphones cable serves as the second antenna for
adaptive diversity operation.
To monitor the audio signal via the headphone output of the transmitter:
̈ Set the headphone volume control · to the minimum position.
̈ Connect headphones with a ¼” (6.3 mm) stereo jack plug to the headphone output ³.
Stereo Transmitter
̈ Gradually increase the volume and monitor the audio signal with the lowest possible
volume.
³
·
17
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Using the devices
Selecting a standard display on the diversity receiver
̈ Press the ESC button to select a standard display. In stereo mode, you can
ESC
alternatively press the rocker button.
Contents of the display
Selectable standard display
“Frequency/Name”
MHz
519.150
ew300 IEM
MUTE
RF AF
RF AF
RF AF
P
“Frequency/Limiter”
B.CH 1.1
Lim: - 6dB
P
with display of the audio channels (Stereo/Focus) ቨ
“Frequency/High Boost“
MHz
519.150
with display of the audio channels (Stereo/Focus) ቨ
EQ
P
For more detailed information, refer to the chapter “Overview of the displays of the
Deactivating the lock mode temporarily
You can activate or deactivate the automatic lock mode via the “Auto Lock” menu item. If the
lock mode is activated, you have to temporarily deactivate it In order to be able to operate
the devices:
SR 300 IEM G3 transmitter
EK 300 IEM G3 receiver
SET
̈ Press the jog dial.
̈ Press the SET button.
“Locked” appears on the display panel.
̈ Turn the jog dial.
̈ Press the rocker button.
“Unlock?” appears on the display panel.
SET
̈ Press the jog dial.
̈ Press the SET button.
The lock mode is temporarily deactivated:
• When you are in the operating menu, the lock mode remains deactivated until you exit
the operating menu.
• When a standard display is shown, the lock mode is automatically activated after
10 seconds.
18
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Using the devices
The lock mode icon ቪ of the transmitter or the lock mode icon ቦ of the diversity receiver
flashes prior to the lock mode being activated again.
ew300IEM
B.Ch: 1. 1
MHz
519.150
MHz
519.150
ew300 IEM
EQ
Standard -18dB
MUTE
AF P
RF
ቪ
Adjusting the audio channels on the transmitter
Via the “Mode” menu item, you can adjust the audio channels.
̈ Select “Stereo” if you want to transmit two separate audio signals on channel I and
channel II (e.g. channel I = audio signal of the presenter/musician, channel II = sum of all
audio signals). Make sure that the receiver’s pilot tone evaluation (“Pilot Tone” menu
item) is activated.
This allows the presenter/musician to adjust the balance between the left and right stereo
signal on his receiver.
̈ Select “Mono” if you only want to transmit a mono audio signal. In this case, the signal
from the left audio input BAL AF IN L ƺ is transmitted.
During mono operation, you have to deactivate the pilot tone evaluation on the
diversity receiver (“Pilot Tone” menu item) in order to ensure that your receiver
outputs the same signal on channel I and II.
Activating/deactivating the RF signal on the transmitter
To deactivate the RF signal:
̈
When the standard display is shown on the display panel, press the STANDBY
button.
“RF Mute On?” appears on the display panel.
̈
Press the jog dial.
The RF signal is deactivated. The transmission icon
ቦ
is not displayed. In
addition, the display backlighting changes from orange to red and “RF Mute”
flashes in alternation with the standard display.
To activate the RF signal:
̈
Press the STANDBY button.
“RF Mute Off?” appears on the display panel.
̈
Press the jog dial.
The RF signal is activated and the display backlighting changes from red to
orange.
You can also deactivate the RF signal on switch-on. For more information, refer to
19
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Using the devices
Synchronizing transmitters and EK 300 IEM G3 receivers via the
infra-red interface
Synchronization allows you to quickly and easily transfer transmitter and receiver settings
from one device to the other, especially if you want to configure a multi-channel system.
There are two transfer directions:
1. Easy Setup Sync: Transfer from the receiver to one or several transmitters
Once you have performed a frequency preset scan with a receiver, you can use the
Easy Setup Sync function to transfer unused frequency presets from the receiver to the
transmitters via the infra-red interface. In order to configure a multi-channel system, you
use the diversity receiver to transfer the first unused channel from the selected frequency
bank to the first transmitter and the next unused channel to the second transmitter and
so on, thus ensuring that all transmitters of a multi-channel system operate on suitable
frequencies.
2. Sync: Transfer from a transmitter to a receiver
Once you have selected and set the desired receiver settings on the transmitter (either
manually or using the Easy Setup Sync function), you transfer these settings to a receiver.
This configures the receiver and establishes a transmission link between transmitter and
receiver.
Via the “Sync Settings” submenu, you can adjust the receiver parameters listed below and
activate or deactivate their transfer to an EK 300 IEM G3 receiver.
Setting
Transferred receiver parameter
“Balance”
“Squelch”
“Mode”
Current balance setting (“−15”/“+15”)
Current squelch setting (“Off”, “5 dB” ... “25 dB”)
Current audio mode setting (“Stereo”/“Focus”)
“High Boost” Current treble boost setting (“flat”/“High boost”)
“Auto Lock” Current lock mode setting (“active”/“inactive”)
“Limiter”
Current limiter setting (“−18 dB”, “−12 dB”, “−6 dB”, “Off”)
When carrying out the Sync function, the transmitter’s current frequency bank and
channel setting as well as the receiver parameters adjusted via the “Sync Settings”
submenu are transferred to the EK 300 IEM G3 receiver via the infra-red interface.
20
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Using the devices
Carrying out an Easy Setup Sync or a Sync function
The following assumes that you are using the Easy Setup Sync function for setting up a multi-
channel system. You can also you the Easy Setup Sync function for establishing a
transmission link between one transmitter and one EK 300 IEM G3 receiver.
Easy Setup Sync
̈ Switch all transmitters and one diversity ̈ Switch your transmitter and your diver-
receiver on. sity receiver on.
Sync
̈ On all transmitters, call up the “Easy ̈ Press the
Setup” menu item.
mitter.
The text “Easy Setup Sync” and the
icon appear on the display panels of the
transmitters. The RF signal of the trans-
mitters is automatically deactivated.
The
icon appears on the display
panel of the transmitter.
̈ Use your diversity receiver to perform a
–
frequency preset scan (Scan New List).
̈ Select a channel within a frequency bank
with
a
sufficient number of unused
channels (Current List).
¿
¿
»
̈ Place the infra-red interface of the ̈ Place the infra-red interface of the
receiver in front of the infra-red inter-
receiver in front of the infra-red
face ¿ of the first transmitter.
interface ¿ of your transmitter.
The first unused frequency preset is
transferred from the receiver to the
transmitter.
The current frequency bank and channel
setting as well as the parameters
adjusted via the “Sync Settings” menu
item are transferred from the transmitter
to the receiver.
As soon as the transfer is completed, the
display panel of the transmitter displays
the numbers of the transferred frequency
bank and channel.
When the transfer is completed, “
”
appears on the display panel of the trans-
mitter. The transmitter then switches
back to the standard display.
Please note that the transmitter does not
store the frequency bank and channel
setting. The RF signal remains deacti-
vated.
The transferred parameters are automat-
ically adjusted and stored by the receiver.
The transmission link between transmit-
ter and receiver is now established.
̈ Place the infra-red interface of the
diversity receiver in front of the infra-red
interfaces of the remaining transmitters,
one after the other.
–
In each case, the next unused frequency
preset is transferred from the receiver to
the transmitter.
21
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Using the devices
Easy Setup Sync
Sync
Either:
–
̈ Store the frequency bank and channel
setting by pressing the jog dial on your
transmitters.
The RF signal is activated. You can carry
out the Sync function (see right-hand
column) at a later time to establish a
transmission link between transmitters
and receivers.
Or:
–
̈ Immediately synchronize your receivers
with your transmitters by carrying
out the Sync function (see right-hand
column). The
icon in the left lower
corner of the transmitter display indicates
that the Sync function can be carried out.
The transmission link between transmit-
ters and receivers is established.
–
To cancel the transfer:
̈ Press the STANDBY button on the
transmitter.
“ ” appears on the display panel of the
transmitter. “ ” also appears if no suit-
able receiver was found.
22
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Using the operating menus
Using the operating menus
The buttons of the SK 300 IEM G3 transmitter
Button
Function of the button
Press the STANDBY
button
• Switches the transmitter on and off
• Cancels the entry and returns to the standard display
(ESC function)
• Activates/deactivates the RF signal
(special function, see page 19)
Press the jog dial
Turn the jog dial
• Changes from the standard display to the operating menu
• Calls up a menu item
• Enters a submenu
• Stores the settings and returns to the operating menu
• Changes to the next/previous menu item
• Changes the setting of a menu item
The buttons of the EK 300 IEM G3 diversity receiver
Button
Function of the button
Press the ESC button
• Cancels the entry and returns to the current standard display
(ESC function)
ESC
Press the SET button
• Changes from the standard display to the operating menu
• Calls up a menu item
SET
• Enters a submenu
• Stores the settings and returns to the operating menu
Press the rocker button • In Focus mode:
Adjusts the balance
• In stereo mode:
Selects a standard display (see page 18)
• Changes to the next/previous menu item
• Changes the setting of a menu item
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Using the operating menus
Overview of the operating menus
For more detailed information on the operating menus, refer to the instruction manuals of the transmitter and
SR 300 IEM G3 transmitter
EK 300 IEM G3 receiver
Extended menu
“Advanced Menu”
Main menu
“Menu”
Main menu
“Menu”
“Easy Setup”
“Sync Settings”
Reset List
Current List
Scan New List
Squelch
Tune
Balance
Squelch
Mode
High Boost
Auto Lock
Limiter
Exit
Sensitivity
Easy Setup
Mode
Frequency Preset
Name
Equalizer
AutoLock
Advanced
Exit
Easy Setup
Frequency Preset
Name
Balance
Mode
High Boost
Auto Lock
Advanced
Exit
Sync Settings
RF Power
Warnings
LCD Contrast
Reset
IP-Address
Software Revision
Exit
Extended menu
“Advanced Menu”
Tune
Pilot Tone
Limiter
LCD Contrast
Reset
“Warnings”
Software Revision
Exit
AF Peak
RF Mute
Exit
Operating menu of the SR 300 IEM G3 transmitter
When the standard display is shown on the display panel, you can get into the main menu by pressing the jog dial.
The extended menu “Advanced Menu” and the other menus can be accessed via the corresponding menu items.
Display
Function of the menu item
Main menu “Menu”
Sensitivity
Easy Setup
Mode
Adjusts the input sensitivity (0 to –42 dB, adjustable in steps of 3 dB)
Selects mono or stereo operation (see page 19)
Frequency Preset
Name
Changes the frequency bank and the channel
Enters the transmitter name
Equalizer
Changes the frequency response of the output signal using a graphic equalizer
(+/– 12 dB, adjustable in steps of 2.4 dB)
AutoLock
Advanced
Exit
Activates/deactivates the automatic lock mode
Calls up the extended menu “Advanced Menu”
Exits the operating menu and returns to the standard display
Extended menu “Advanced Menu”
Tune
Sets the transmission frequencies for the frequency banks “U1” to “U6”
Special function: Sets a channel and a transmission frequency for the frequency banks “U1”
to “U6”:
̈ Select this menu item and call it up by pressing the jog dial ² until the channel selection
appears.
Sync Settings
RF Power
Adjusts the receiver parameters and activates/deactivates their transfer to the EK 300 IEM G3
receiver. For an overview of the parameters, refer to page 20.
Adjusts the transmission power (“Low” or “Standard”)
24
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Using the operating menus
Display
Function of the menu item
Warnings
LCD Contrast
Reset
Activates/deactivates the warning messages (color change and warning messages)
Adjusts the contrast of the display panel in 16 steps
Resets the transmitter
When resetting the transmitter, only the selected settings for the pilot tone and for the
frequency banks “U1” to “U6” remain unchanged. For an overview of the factory-preset default
settings, refer to the supplied frequency information sheet.
IP-Address
Software Revision
Exit
Adjusts the IP address of the transmitter
Displays the current software revision
Exits the extended menu “Advanced Menu” and returns to the main menu
“Warnings”
AF Peak
RF Mute
Exit
Audio overmodulation
RF signal is deactivated
Exits the submenu “Warnings” and returns to the extended menu “Advanced Menu”
Operating menu of the EK 300 IEM G3 diversity receiver
Display
Function of the menu item
Main menu “Menu”
Squelch
Adjusts the squelch threshold, adjustment range: 5 to 25 dBμV, adjustable in 2-dB steps, can be
switched off
CAUTION! Danger of hearing damage and material damage!
If you switch the squelch off or adjust the squelch threshold to a very low value, loud
hissing noise can occur in the receiver. The hissing noise can be loud enough to cause
hearing damage or overload the loudspeakers of your system!
̈ Always make sure that the squelch is switched on (see above).
̈ Before adjusting the squelch threshold, set the volume of the headphone output to
the minimum
.
̈ Never change the squelch threshold during a live transmission.
Special function (for servicing purposes only):
With the squelch threshold set to “5 dB”, you switch the squelch off by keeping the DOWN rocker
button pressed for 3 seconds. If you then press the UP rocker button, you switch the squelch on
again.
Easy Setup
Scans for unused frequency presets, releases and selects frequency presets
Frequency Preset Changes the frequency bank and the channel
Name
Enters a freely selectable name
Balance
Mode
Adjusts the balance
Selects stereo or Focus mode
High Boost
Auto Lock
Advanced
Exit
Activates/deactivates the treble boost
Activates/deactivates the automatic lock mode
Calls up the extended menu “Advanced Menu”
Exits the operating menu and returns to the current standard display
25
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Using the operating menus
Display
Function of the menu item
“Easy Setup”
Reset List
Releases all locked frequency presets
Current List
Scan New List
Exit
Selects an unused frequency preset
Scans for unused receiving frequencies (frequency preset scan)
Exits the submenu “Easy Setup” and returns to the main menu
Extended menu “Advanced Menu”
Tune
Sets the receiving frequencies for the frequency banks “U1” to “U6”
Special function: Sets a channel and a receiving frequency for the frequency banks “U1” to “U6”:
appears.
Pilot Tone
Limiter
Activates/deactivates the pilot tone evaluation
Adjusts the limiter
LCD Contrast
Reset
Adjusts the contrast of the display panel
Resets the diversity receiver
When resetting the receiver, only the selected settings for the pilot tone and for the frequency
banks “U1” to “U6” remain unchanged. For an overview of the factory-preset default settings, refer
to the supplied frequency information sheet.
Software Revision Displays the current software revision
Exit Exits the extended menu “Advanced Menu” and returns to the main menu
26
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Synchronizing the transmitter with the diversity receiver
Synchronizing the transmitter with the diversity
receiver
When synchronizing the transmitter with the receiver, please observe the following:
̈ Only use a transmitter and a receiver from the same frequency range (see the
type plate on the transmitter and the receiver).
̈ Make sure that the desired frequencies are listed in the enclosed frequency
information sheet. You can also contact your Sennheiser partner who will be
pleased to calculate intermodulation-free frequencies for you.
̈ Make sure that the desired frequencies are approved and legal in your country
and, if necessary, apply for an operating license.
̈ The frequency information sheet can also be downloaded from the
Synchronizing the transmitter with the receiver – individual operation
Upon delivery, transmitter and receiver are synchronized with each other. If, however, you
cannot establish a transmission link between transmitter and receiver, you have to
synchronize the channels of the devices:
.
The transmitter is set to a suitable frequency.
This establishes a transmission link between transmitter and receiver.
Alternatively, you can set the channel on the transmitter manually:
̈ Make sure that you set the transmitter to the same frequency bank and the same channel
as the receiver.
Synchronizing transmitters with receivers – multi-channel operation
Network operation In multi-channel operation, the transmitters are remote controlled via a PC running the
using the WSM “Wireless Systems Manager” (WSM) software.
Stereo
Transmitter
S
t
e
r
e
o
T
r
a
n
s
m
i
t
t
e
r
Advantages of controlling the transmitters via the “Wireless Systems Manager”
(WSM) software:
Stereo
Transmitter
S
t
e
r
e
o
T
r
a
n
s
m
i
t
t
e
r
• Detailed overview of all transmission and receiving channels
• Remote control of all transmitters in the network
̈ Launch the “Wireless Systems Manager” (WSM) software.
̈ To set up your multi-channel system, proceed as described in the instruction manual of
the “Wireless Systems Manager” (WSM) software.
Operation without ̈ First carry out the Easy Setup Sync function (see table on page 21, left-hand column)
.
network All transmitters are set to suitable transmission frequencies.
right-hand column).
This establishes a transmission link between each transmitter/receiver pair.
27
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Cleaning the devices
Using freely selectable frequencies
You can also freely select the frequencies and store these frequencies in the frequency banks
“U1” to “U6”.
If you want to use the frequency banks “U1” to “U6”:
and the type plates of the devices).
To ensure that the desired frequencies are intermodulation-free:
̈
̈ Set each transmitter to the same frequency bank (“U1” to “U6”).
̈ On one of the transmitters, select a channel within this frequency bank (see page 24).
̈ Assign this channel one of the calculated transmission frequencies (see page 24).
Either:
right-hand column).
This establishes a transmission link between each transmitter/receiver pair.
Or:
̈ Manually set the receiver to the same frequency bank, channel and frequency that you set
on the transmitter (see page 24).
Cleaning the devices
CAUTION!
Liquids can damage the electronics of the devices!
Liquids entering the housing of the devices can cause a short-circuit and damage the
electronics.
̈
Keep all liquids away from the devices.
SR 300 IEM G3 transmitter
̈ Before cleaning, disconnect the device from the mains.
̈ Use a slightly damp cloth to clean the device from time to time. Do not use any solvents
or cleansing agents.
EK 300 IEM G3 diversity receiver
̈ Use a slightly damp cloth to clean the device from time to time. Do not use any solvents
or cleansing agents.
28
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If a problem occurs ...
If a problem occurs ...
SR 300 IEM G3 transmitter
Problem
Possible cause
Possible solution
Transmitter cannot be Lock mode is activated
operated, “Locked”
appears on the display
panel
No operation indication No mains connection
Check the connections of the mains unit.
No RF signal at the
receiver
Transmitter and receiver are not Synchronize the transmitter with the receiver
on the transmitter display:
RF signal is deactivated
Very weak RF signal at Transmission range is exceeded
the receiver
Reduce the distance between receiver and transmitter.
Reposition the antennas.
Increase the transmission power (see page 24).
Reduce the squelch threshold (see table on page 20).
RF signal available,
no audio signal at the
receiver
No input signal at the transmitter Check the audio level on the transmitter display
(see page 6).
Very low input signal
Check the audio level on the transmitter display
or adjust the input sensitivity (see page 24).
Audio signal has a high Transmitter sensitivity is adjusted Adjust the transmitter sensitivity correctly (see page 24).
level of background
noise
too low
Audio signal is
distorted
If “AF PEAK” additionally appears Adjust the transmitter sensitivity correctly (see page 24).
on the transmitter display:
transmitter sensitivity is adjusted
too high
Receiver’s audio output level is
adjusted too high
Reduce the receiver’s audio output level.
29
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If a problem occurs ...
EK 300 IEM G3 diversity receiver
Problem
Possible cause
Lock mode is activated
Possible solution
Receiver cannot be
operated, “Locked”
appears on the display
panel
Deactivate the lock mode (see page 18).
No operation indication Batteries are flat or accupack is
flat
Replace the batteries or recharge the accupack
(see page 14).
No RF signal
Transmitter and receiver are not Set the transmitter and receiver to the same channel.
on the same channel
Synchronize the transmitter with the receiver
(see page 20).
Transmission range is exceeded Check the squelch threshold setting.
Reduce the distance between transmitter and receiving
antennas.
RF signal is deactivated
(“RF Mute“)
Activate the RF signal (see page 19).
RF signal available, no Transmitter is muted
Cancel the muting (see page 16).
audio signal, “MUTE”
appears on the display
panel
Receiver’s squelch threshold is
adjusted too high
Reduce the squelch threshold setting on the receiver.
Transmitter is set to mono
operation and therefore doesn’t
transmit a pilot tone
Deactivate the pilot tone evaluation.
Activate the pilot tone evaluation.
Transmitter is set to stereo
operation and therefore
transmits a pilot tone
Audio signal has a high Transmitter sensitivity is
Adjust the transmitter sensitivity correctly.
Adjust the transmitter sensitivity correctly.
level of background
noise
adjusted too low
Audio signal is distorted Transmitter sensitivity is
adjusted too high
No access to a certain
channel
During scanning, an RF signal has Set the transmitter operating on this channel to a
been detected on this channel
and the channel has been locked
different channel and redo the frequency preset scan.
During scanning, a transmitter
of your system operating on
this channel has not been
switched off
Switch the transmitter off and redo the frequency preset
scan.
If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions,
please contact your local Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.sennheiser.com under “Service & Support”.
30
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If a problem occurs ...
Specifications
System
Modulation
wideband FM stereo (MPX pilot tone)
Frequency ranges
516–558, 566–608, 626–668, 734–776, 780–822,
823–865 MHz (A to E, G, see page 4)
1680 frequencies, tuneable in steps of 25 kHz
20 frequency banks, each with up to 16 factory-preset channels
6 frequency banks with up to 16 user programmable channels
42 MHz
Transmission/receiving frequencies
Switching bandwidth
Frequency stability
±10 ppm (–10°C to +55°C)
Compander system
Sennheiser HDX
Nominal/peak deviation
MPX pilot tone (frequency/deviation)
AF frequency response
±24 kHz/±48 kHz
19 kHz/±5 kHz
25 Hz to 15 kHz
THD (at 1 kHz and nominal deviation)
Signal-to-noise ratio at nominal load and
peak deviation
< 0.9%
> 90 dB
Temperature range
–10°C to +55°C
SR 300 IEM G3 transmitter
Antenna output
RF output power at 50 Ω
AF input BAL AF IN L (I)/BAL AF IN R (II)
BNC socket, 50 Ω with remote power supply input 12 V DC
typ. 10/30 mW (Low/Standard), switchable
2 x XLR-3/¼’’ (6.3 mm) jack combo socket,
electronically balanced
Max. input level
+22 dBu (line)
AF output LOOP OUT BAL L(I)/LOOP OUT BAL R(II)
¼’’ (6.3 mm) stereo jack socket, balanced
¼’’ (6.3 mm) stereo jack socket
12 V
max. 350 mA
approx. 202 mm x 212 mm x 43 mm
approx. 980 g
Headphone output
Power supply
Current consumption
Dimensions
Weight
In compliance with
Europe
EMC
EN 301489-1/-9
Radio EN 300422-1/-2
Safety EN 60065
Approved by
Canada
Industry Canada RSS 123,
IC: 2099A-G3SREK
limited to 806 MHz
USA
FCC-Part 74 FCC-ID: DMOG3SREK
limited to 698 MHz
31
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If a problem occurs ...
NT 2-3 mains unit
Input voltage
Current consumption
Output voltage
100 to 240 V~, 50/60 Hz
max. 120 mA
12 V
Secondary output current
Temperature range
400 mA
–10°C to +40°C
In compliance with
Europe
EMC
EN 55022, EN 55024,
EN 55014-1/-2
EN 60065
Safety
USA
47 CFR 15 subpart B
ICES 003
Canada
The mains unit is certified in accordance with the legal safety requirements of Europe, the United States, Canada, Russia
and Japan.
EK 300 IEM G3 diversity receiver
Receiver principle
adaptive diversity
Sensitivity (with HDX, peak deviation)
< 1.6 μV for 52 dBArms S/N
Adjacent channel rejection
Intermodulation attenuation
Blocking
typ. ≥ 65 dB
typ. ≥ 70 dB
≥ 80 dB
Squelch
Off, 5 to 25 dBμV, adjustable in steps of 2 dB
can be switched off
approx. 90 dB
2 x 100 mW at 32 Ω
+8 dB at 10 kHz
Pilot tone squelch
S/N ratio (1 mV, peak deviation)
Max. output power
High Boost
Limiter
–18 dB to –6 dB, adjustable in steps of 6 dB, can be switched off
Power supply
2
AA size batteries, 1.5 V or BA 2015 accupack
Nominal voltage
2.4 V
Power consumption:
• at nominal voltage
• with switched-off receiver
Operating time
Dimensions
Weight (incl. batteries)
approx. 140 mA
≤ 25 μA
approx. 4 to 6 hrs (depending on volume level)
approx. 82 x 64 x 24 mm
approx. 200 g
In compliance with
Europe
EMC
EN 301489-1/-9
Radio EN 300422-1/-2
Safety EN 60065
USA
32
47 CFR 15 subpart B
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If a problem occurs ...
Approved by
Canada
Industry Canada RSS 123
IC 2099A-G3SREK300
limited to 806 MHz
Connector assignment
SR 300 IEM G3 transmitter
¼’’ (6.3 mm) stereo jack plug,
balanced (BAL AF IN/LOOP OUT)
XLR-3F connector, balanced
DC connector for power supply
(
BAL AF IN)
2
3
1
+
¼’’ (6.3 mm) mono jack plug,
unbalanced
¼’’ (6.3 mm) stereo jack plug for
headphone output
EK 300 IEM G3 receiver
3.5 mm jack plug
L
R
Accessories
The following EK 300 IEM G3 accessories are available from your specialist dealer:
009950
009828
500432
BA 2015 accupack
L 2015 charger
IE 4 earphones
The following SR 300 IEM G3 accessories are available from your specialist dealer:
503166
503167
503158
AC 3 antenna combiner
GA 3 rack adapter
NT 3-1 EU:
Power supply for powering the AC 3 antenna combine and four transmitters, EU version
503873
503874
NT 3-1 US:
Power supply for powering the AC 3 antenna combine and four transmitters, 120 V version
NT 3-1 UK:
Power supply for powering the AC 3 antenna combine and four transmitters, UK version
004645
003658
002324
002325
A 1031 omni-directional broadband antenna
A 2003 directional broadband antenna
GZL 1019-A1 coaxial cable, type RG 58, BNC to BNC, 1 m
GZL 1019-A1 coaxial cable, type RG 58, BNC to BNC, 5 m
33
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Manufacturer Declarations
Manufacturer Declarations
Warranty
Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on this product.
contact your Sennheiser partner.
In compliance with the following requirements
• RoHS Directive (2002/95/EC)
• WEEE Directive (2002/96/EC)
Please dispose of the devices at the end of their operational lifetime by taking
them to your local collection point or recycling center for such equipment.
• Battery Directive (2006/66/EC)
The supplied batteries or rechargeable batteries can be recycled. Please dispose of
them as special waste or return them to your specialist dealer. In order to protect
the environment, only dispose of exhausted batteries.
CE Declaration of Conformity
•
0682
• R&TTE Directive (1999/5/EC, EMC Directive (2004/108/EC),
Low Voltage Directive (2006/95/EC)
Before putting the devices into operation, please observe the respective country-specific
regulations.
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Manufacturer Declarations
Statements regarding FCC and Industry Canada
These devices comply with Part 15 of the FCC Rules and with RSS-210 of Industry Canada.
Operation is subject to the following two conditions: (1) these devices may not cause harmful
interference, and (2) these devices must accept any interference received, including
interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
These class B digital devices comply with the Canadian ICES-003.
Changes or modifications made to this equipment not expressly approved by Sennheiser
electronic Corp. may void the FCC authorization to operate this equipment.
Before putting the devices into operation, please observe the respective country-specific
regulations!
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