Sennheiser Satellite Radio SK 5212 II User Manual

SK 5212-II  
Instruction manual  
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Contents  
Contents  
Important safety instructions .................................................................................................................. 2  
The SK 5212-II bodypack transmitter .................................................................................................... 3  
Delivery includes ......................................................................................................................................... 5  
Product overview ........................................................................................................................................ 6  
Overview of the SK 5212-II bodypack transmitter ........................................................................ 6  
Overview of the displays ..................................................................................................................... 7  
Putting the bodypack transmitter into operation .............................................................................. 8  
Inserting and changing the battery .................................................................................................. 8  
Connecting the microphone ................................................................................................................ 8  
Connecting the antenna ...................................................................................................................... 9  
Attaching the transmitter to clothing .............................................................................................. 9  
Using the bodypack transmitter .......................................................................................................... 10  
Switching the transmitter on/off ................................................................................................... 10  
Doing a frequency check ................................................................................................................... 11  
The automatic lock mode (autolock function) ............................................................................. 11  
Using operating menu ............................................................................................................................ 13  
The buttons ......................................................................................................................................... 13  
Overview of the operating menu .................................................................................................... 14  
Working with the operating menu ................................................................................................. 15  
Overview of the menus ..................................................................................................................... 18  
Adjustment tips for the operating menu ........................................................................................... 20  
Selecting a channel – “CHAN“ ......................................................................................................... 20  
Selecting the frequencies to be stored in the frequency bank “VAR” – “TUNE” .................. 20  
Entering a name – “NAME” .............................................................................................................. 22  
Adjusting the microphone sensitivity – “ATTEN” ....................................................................... 22  
Adjusting the bass roll-off frequency – “LOWCUT” .................................................................... 23  
Selecting the standard display – “VIEW” ...................................................................................... 23  
Loading the factory-preset default settings – “RESET” ............................................................. 23  
Activating/deactivating the automatic lock mode – “LOCK” ................................................... 24  
Adjusting the output power – “POWER” ...................................................................................... 24  
Displaying the software revision – “SW--REV“ ............................................................................ 24  
Exiting the operating menu – “EXIT” ............................................................................................. 25  
Cleaning the bodypack transmitter ..................................................................................................... 25  
Recommendations and tips ................................................................................................................... 25  
If a problem occurs ... .............................................................................................................................. 26  
Accessories ................................................................................................................................................ 27  
Specifications ............................................................................................................................................ 28  
Manufacturer Declarations .................................................................................................................... 31  
1
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Important safety instructions  
Important safety instructions  
Read this instruction manual.  
Keep this instruction manual. Always include this instruction manual when passing the  
product on to third parties.  
Heed all warnings and follow all instructions in this instruction manual.  
Use only a cloth for cleaning the product.  
Do not place the product near any heat sources such as radiators, stoves, or other devices  
(including amplifiers) that produce heat.  
Only use attachments/accessories specified by Sennheiser.  
Refer all servicing to qualified service personnel.  
Servicing is required if the product has been damaged in any way, liquid has been spilled,  
objects have fallen inside, the product has been exposed to rain or moisture, does not  
operate properly or has been dropped.  
WARNING: This product should be protected against the ingress of liquids (eg:  
water, sweat, etc.) as this can cause malfunctions due to shortages or corrosion,  
etc.  
Intended use  
Intended use of the product includes:  
having read this instruction manual especially the chapter “Important safety instructions”,  
using the product within the operating conditions and limitations described in this  
instruction manual.  
“Improper use” means using the product other than as described in this instruction manual, or  
under operating conditions which differ from those described herein.  
2
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The SK 5212-II bodypack transmitter  
The SK 5212-II bodypack transmitter  
The SK 5212-II is a professional bodypack transmitter that is easy to use and is easily adaptable  
to a wide variety of applications.  
The SK 5212-II bodypack transmitter has the following features:  
Extremely compact diecast metal housing  
Very rugged casing  
Special protection against the ingress of moisture  
Backlit LC display  
Menu-assisted operation  
Specially suitable for multi-channel applications  
Up to 184 MHz switching bandwidth  
Transmission frequencies tuneable in steps of 5 kHz  
Adjustable output power:  
10 mW, 10 mW Low Intermodulation mode (LoI), 50 mW.  
In Low Intermodulation mode (LoI), the intermodulation performance is significantly  
improved  
Constant output power until the battery is completely discharged  
Audio sensitivity adjustable in steps of 1 dB, sensitivity range of 70 dB  
Signal-to-noise ratio typ. 110 dB(A)  
Switchable low-cut filter  
Battery status display, battery status also transmitted to the receiver  
Reliable, easy-to-use clip attachment  
Information on the compander system  
This product is equipped with HiDynplus™, the Sennheiser noise reduction system that reduces RF  
interference. HiDynplus™ offers extreme operational reliability and ensures highest transmission  
quality.  
3
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The SK 5212-II bodypack transmitter  
The frequency bank system  
The transmitter is available in five UHF frequency ranges with up to 184 MHz switching  
bandwidth:  
Range N-GB  
606 – 790 MHz  
Range N-US  
614.075 –  
697.925 MHz  
Range  
N
614 – 798 MHz  
Range  
L
Range  
P
470 – 638 MHz  
776 – 866 MHz  
400  
500  
600  
700  
800  
900  
MHz  
The transmitter has two frequency banks:  
Channel Frequency bank  
“FIX”  
“VAR”  
1
The transmission frequencies are factory-  
preset (see enclosed frequency table) and  
cannot be changed.  
The transmission frequencies can  
be freely selected within the  
switching bandwidth.  
2
...  
max. 59  
Optimized for maximum  
transmission reliability  
Additionally available  
channels in  
Low Intermodulation mode  
The factory-preset frequencies within the frequency bank “FIX” are interference and  
intermodulation-free.  
̈ Set all transmitters of your multi-channel system to different channels within the  
frequency bank “FIX”.  
4
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Delivery includes  
Suitable receivers  
EM 1046 system  
EM 3532, EM 3031, EM 3032  
EK 3041, EK 3241  
EM 3731, EM 3732, EM 3732 COM  
EM 3731-II, EM 3732-II, EM 3732 COM-II  
Delivery includes  
Delivery of the bodypack transmitter includes:  
1 SK 5212-II bodypack transmitter  
1 AA size battery, 1.5 V  
antennas for different frequency ranges  
1 belt clip  
1 instruction manual  
1 frequency table  
1 supplement “Legal requirements for the use of radiomicrophones”  
5
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Product overview  
Product overview  
Overview of the SK 5212-II bodypack transmitter  
³ Microphone input  
Battery compartment catches  
· Red LED for operation and battery status º Type plate  
indication  
(ON/LOW BATT/PEAK)  
¾ Multi-function switch with three switch  
positions:  
» Antenna socket  
̄ (DOWN), (UP) and SET  
¿ LC display, backlit  
µ ON/OFF button with ESC function (cancel)  
´ Battery compartment  
² Battery compartment cover  
6
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Product overview  
Overview of the displays  
Display backlighting  
When the lock mode is deactivated, the LC display remains backlit for approx. 20 seconds after  
pressing a button.  
2
3
1
RF  
AF  
CH dB MHz  
8
7 6  
5
4
Alphanumeric display  
MHz” – appears when the transmission  
frequency is displayed  
Level display for audio signal “AF”  
dB” – appears when the microphone  
RF” – appears when an RF signal is  
sensitivity is displayed  
transmitted  
CH” – appears when the channel number is  
Lock mode icon (lock mode is  
displayed  
activated)  
Battery status display  
Operation and battery status indication  
·
Red LED · ...  
Meaning  
... lights up normally  
The transmitter is switched on and the capacity of the battery is  
sufficient (ON).  
... is flashing  
The battery is going flat (LOW BATT)!  
... lights up brightly  
The transmitter is fully modulated (PEAK).  
7
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Putting the bodypack transmitter into operation  
Putting the bodypack transmitter into  
operation  
Inserting and changing the battery  
For powering the transmitter, use a 1.5 V AA size battery.  
̈ Open the battery compartment by pushing the two  
catches in the direction of the arrows and open the  
cover ².  
̈ Insert the battery as shown in the diagram on the left.  
Please observe correct polarity when inserting the  
battery.  
̈ Close the battery compartment.  
²
²
Connecting the microphone  
The transmitter is designed for use with Sennheiser lavalier microphones and headmics. The  
power supply of these microphones is via the microphone input ³ of the transmitter.  
̈ Connect the microphone to the microphone input ³ of  
the transmitter.  
̈ Screw down the coupling ring.  
³
8
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Putting the bodypack transmitter into operation  
Connecting the antenna  
The transmitter is supplied with plug-on antennas: Choose the antenna that matches the  
frequency range used.  
̈ Connect the antenna to the antenna socket » of the  
transmitter.  
̈ Screw down the coupling ring.  
6  
Only use antennas that match the frequency range of  
the transmitter.  
3
8
»
The frequency range is printed on the antenna.  
Attaching the transmitter to clothing  
The transmitter is attached to clothing (e.g. belt, waistband)  
with the supplied belt clip.  
The clip is detachable so that you can also attach the  
transmitter with the antenna pointing downwards. To do so,  
withdraw the clip from its fixing points and attach it the  
other way round.  
9
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Using the bodypack transmitter  
Using the bodypack transmitter  
Switching the transmitter on/off  
̈ Open the battery compartment.  
·
¿
To switch the transmitter on:  
̈ Briefly press the ON/OFF button µ.  
The red LED · lights up normally and the standard  
display is shown on the LC display panel ¿; after a short  
pause, “RF” appears on the LC display panel.  
µ
Remove the battery when the transmitter will not be used for extended periods of time.  
The transmitter can only be switched off when the lock mode is deactivated (see  
̈ To switch the transmitter off, press the ON/OFF button µ  
until “OFF” appears on the LC display panel ¿.  
The red LED · and the LC display panel go off.  
When in the setting mode of the operating menu, the ON/OFF button µ will cancel your  
entry (ESC function).  
10  
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Using the bodypack transmitter  
Doing a frequency check  
The transmitter has a frequency check mode that prevents the transmitter transmitting on an  
unwanted frequency after switch-on.  
̈ When switching on the transmitter, keep the ON/OFF  
¿
button µ pressed.  
The RF signal is deactivated. The current frequency is  
displayed on the LC display panel ¿.  
If the displayed frequency is the correct one,  
µ
̈ Release the ON/OFF button µ.  
¾
After five seconds, “RFappears on the LC display  
panel and the RF signal is activated.  
RF  
MHz  
To change the transmission frequency, proceed as follows:  
̈ Release the ON/OFF button µ.  
̈ Within five seconds change to the “CHAN” or “TUNE” menu item.  
The automatic lock mode (autolock function)  
The transmitter has an autolock function (automatic lock mode) that can be activated or  
deactivated via the “LOCK” menu (see page 24). When the autolock function is activated, the  
lock mode is automatically activated 10 seconds after pressing the last button.  
Prior to this, the lock mode icon flashes several times on  
the LC display panel ¿, indicating that the lock mode is  
RF  
being activated.  
MHz  
4
The autolock function can be deactivated permanently (see page 24) or temporarily (see  
11  
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Using the bodypack transmitter  
Deactivating the autolock function temporarily  
To make changes to the settings via the operating menu, you can temporarily deactivate the lock  
mode.  
̈ Press the ON/OFF button µ or the multi-function switch  
¿
¾ (switch position țSET).  
LOCK” appears on the LC display panel ¿.  
̈ Slide the multi-function switch ¾ to the position (UP)  
or ̄ (DOWN).  
UNLOCK” appears on the LC display panel ¿.  
µ
¾
̈ Press the multi-function switch ¾ (switch position  
țSET).  
You can now change the settings.  
SET  
UP  
DOWN  
¾
After you have exited the operating menu, the lock mode is automatically activated after  
10 seconds. You can activate the lock mode immediately by briefly pressing the ON/OFF  
button µ.  
12  
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Using operating menu  
Using operating menu  
The buttons  
Button  
Mode  
Function of the button  
ON/OFF  
Switched off  
Briefly pressing the button:  
Switches the transmitter on  
Keeping the button pressed:  
Does a frequency check  
Display mode  
Briefly pressing the button  
(with activated autolock function):  
Immediately activates the lock mode  
Briefly pressing the button  
(with activated lock mode):  
Calls up the lock mode for deactivation  
Pressing the button for 3 sec.  
(with deactivated lock mode):  
Switches the transmitter off  
Selection mode  
Setting mode  
Cancels the entry and returns to the display mode  
Cancels the entry and returns with the last setting stored  
to the last parameter displayed in the display mode  
țSET  
Display mode  
With deactivated lock mode:  
Changes to the selection mode  
With activated lock mode:  
Calls up the lock mode for deactivation  
Selection mode  
Setting mode  
Changes to the setting mode of the selected menu  
Stores the setting and returns to the selection mode  
(“STORED” is displayed)  
(UP)/  
̄ (DOWN)  
Display mode  
Selection mode  
Setting mode  
Changes to the previous parameter () or changes to the  
next parameter (̄)  
Changes to the previous menu () or changes to the next  
menu (̄)  
Increases () or reduces (̄) the setting of the selected  
menu  
13  
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Using operating menu  
Overview of the operating menu  
Menu  
Function of the menu  
CHAN”  
TUNE”  
NAME”  
ATTEN”  
LOWCUT”  
VIEW”  
Selects a channel  
Sets transmission frequencies for the frequency bank “VAR” (variable bank)  
Enters a name  
Adjusts the microphone sensitivity  
Adjusts the bass roll-off frequency  
Selects the standard display  
RESET”  
LOCK”  
Loads the factory-preset default settings  
Activates/deactivates the autolock function  
Adjusts the output power  
POWER”  
SW--REV”  
EXIT”  
Displays the current software revision  
Exits the operating menu and returns to the standard display  
14  
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Using operating menu  
Working with the operating menu  
The operating menu has three modes:  
Display mode:  
In display mode, you can display the current menu settings one after the other – even when  
the lock mode is activated.  
Selection mode:  
In selection mode, you can select the menu whose setting you want to change. To change to  
the selection mode, the lock mode must be deactivated.  
Setting mode:  
In setting mode, you can change the setting of the selected menu.  
By way of example of the “LOWCUT” menu, this section describes how to use the operating  
menu.  
Display Mode  
Selection Mode  
Setting Mode  
SET/ON  
MHz  
MHz  
SET  
SET  
SET  
TUNE  
MHz  
SET  
120  
LOWCUT  
MHz  
Hz  
Current low-cut  
frequency  
Adjusting  
the low-cut  
frequency  
Current low-cut  
frequency  
STORED  
FLAT  
Hz  
SET  
FLAT,  
120 Hz  
15  
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Using operating menu  
After switch-on  
After switch-on, the standard display is shown on the LC display panel. Depending on the setting,  
the transmission frequency, the channel number or the name of the transmitter is displayed.  
Displaying the menu settings in display mode  
In display mode, and with the lock mode activated, you can display the current menu settings  
one after the other (see “Overview of the menus” on page 18). After a few seconds, the display  
returns to the standard display.  
̈ Slide the multi-function switch ¾ to the position (UP) or ̄  
SET  
(DOWN) to display the menu settings. If you slide the multi-function  
switch repeatedly to the same position, all menu settings are  
displayed one after the other.  
UP  
DOWN  
¾
Changing to the selection mode  
To change from display mode to selection mode, you have to deactivate the lock mode.  
̈ Deactivate the lock mode as described in the chapter “Deactivating the autolock function  
temporarily” on page 12. You can now select the menu whose settings you want to adjust.  
̈ Press the multi-function switch ¾ (switch position țSET).  
You change to the menu that was displayed in display mode.  
Selecting a menu  
̈ Slide the multi-function switch ¾ to the position (UP) or ̄  
SET  
(DOWN).  
UP  
DOWN  
¾
̈ Press the multi-function switch ¾ (switch position țSET).  
The name of the selected menu starts flashing.  
Changing to the setting mode of a selected menu  
̈ Press the multi-function switch ¾ (switch position țSET).  
SET  
UP  
You change to the setting mode of the selected menu where you can  
adjust settings. The current setting that can be adjusted flashes on  
the LC display panel ¿.  
DOWN  
¾
16  
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Using operating menu  
Adjusting a setting  
Use the multi-function switch ¾ to adjust the setting of the selected menu.  
By briefly sliding the multi-function switch ¾ to the position (UP) or ̄ (DOWN), the display  
jumps either forwards or backwards to the next setting.  
In the “ATTEN”, “CHAN”, “TUNE” and “NAME” menu and when slid to the position  
(UP) or  
̄
(DOWN), the multi-function switch ¾ features a “fast search” function, i.e. the display cycles  
continuously. In the “TUNE” menu, the cycling of the display is continuously accelerated. The  
“fast search” function allows you to get fast and easily to your desired setting.  
Storing a setting  
̈ Press the multi-function switch ¾ (switch position țSET) to  
SET  
permanently store a setting. “STORED” appears on the display panel,  
indicating that the setting has been stored.  
The display then returns to the last edited menu.  
UP  
DOWN  
¾
With most menus, new settings become effective immediately without having to be stored. An  
exception are the “TUNE” and “CHAN” menus. With these menus, new settings only become  
effective after they have been stored (“STORED” appears on the LC display panel ¿, indicating  
that the setting has been stored).  
Exiting the operating menu  
̈ Select the “EXIT” menu to exit the operating menu and to return to  
the standard display.  
When in the operating menu, pressing the ON/OFF button µ will  
cancel your entry (ESC function) and return you to the standard  
display with the last stored settings.  
µ
17  
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Using operating menu  
Overview of the menus  
Deactivate the lock mode before adjusting the settings (see “Deactivating the autolock function  
temporarily” on page 12). Pressing the ON/OFF button µ will cancel your entry (ESC function)  
and return you to the display mode.  
Display mode  
Selection mode  
Setting mode  
CH MHz  
MHz  
1 sec.  
Transmission  
frequency  
1 sec.  
RF  
SET  
SET  
SET  
CHAN  
FIX. 01  
CH  
Channel  
FIX.01...59  
VAR. 20  
CH  
CH  
Current  
channel bank  
Changing the  
channel bank and  
the channel  
/
:
Channel  
/
:
VAR.01...20  
SET  
STORED  
VAR. 20  
CH  
Current channel  
Keep SET pressed  
SET  
RF  
TUNE  
MHz  
Current frequency  
Setting the  
frequencies for  
the channels of  
channel bank  
“VAR”  
VAR. 20  
CH  
Current channel  
VAR. 01  
CH  
/
:
VAR.01...20  
1 Sek.  
SET  
MHz  
MHz  
Current frequency  
Current frequency  
MHz  
Sets the  
frequency  
MHz  
Sets the  
frequency  
/
:
/
:
SET  
SET  
STORED  
SET  
SET  
RF  
RF  
RF  
RF  
NAME  
VOCAL  
LOCAL  
/
:
Name  
Assigning a  
name  
Current name  
Current name  
(6 characters)  
Letters w/o  
pronounciation  
marks, numbers  
from 0...9, special  
characters, spaces  
STORED  
18  
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Using operating menu  
Display mode  
Selection mode  
Setting mode  
SET  
RF  
AF  
SET  
RF  
RF  
RF  
ATTEN  
12  
13  
IIIIIIII  
dB  
dB  
Adjusting the  
attenuation  
Current  
/
:
Adjust the  
Current  
modulation  
attenuation  
setting  
attenuation in 1-dB  
steps from –30 to  
+40 dB  
SET  
STORED  
dB  
SET  
SET  
Current  
attenuation  
SET  
SET  
RF  
RF  
RF  
LOWCUT  
FLAT  
120  
Hz  
Hz  
Hz  
Adjusting the  
Current low-cut  
frequency  
Current low-cut  
FLAT,  
low-cut frequency  
frequency setting  
120 Hz  
SET  
STORED  
RF  
RF  
RF  
RF  
CHAN  
VIEW  
NAME  
FREQ  
Selecting the  
Current standard  
display  
/
:
FREQ,  
/
:
FREQ,  
standard display  
NAME, CHAN  
NAME, CHAN  
SET  
SET  
STORED  
RF SET  
RF  
RF  
RF  
RESET  
RST. OK  
RST. NO  
Security check  
/
:
OK, NO  
Loading the  
factory-preset  
“reset” = OK  
default settings  
“reset” = NO  
reset is cancelled  
SET  
SET  
RF  
RF  
LOCK  
LOC. ON  
LOC. OFF  
Setting the  
Current setting  
/
:
LOC.ON  
LOC.OFF  
autolock function  
SET  
SET  
STORED  
SET  
RF  
POWER  
PWR.LO  
PWR.HI  
PWR.LoI  
PWR.LoI  
PWR.LO  
PWR.HI  
PWR.LO  
Current output  
power  
Adjusting the  
output power  
Current setting  
STORED  
SET  
SET  
RF  
RF  
SW--REV  
NET.200  
VAR. 01  
dB  
Displaying the  
current  
software revision  
software revision  
RF  
EXIT  
Exiting the  
operating menu  
SET  
MHz  
19  
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Adjustment tips for the operating menu  
Adjustment tips for the operating menu  
When setting frequencies on the bodypack transmitter, please observe the following:  
̈ Make sure that the desired frequencies are listed in the enclosed frequency table and  
approved and legal in your country. If necessary, apply for an operating license.  
For an overview of the frequencies and transmission powers, refer to the enclosed  
supplement “Legal requirements for the use of radiomicrophones”.  
Selecting a channel – “CHAN“  
Via the “CHAN” menu, you can switch between the channels in the frequency banks “FIX” and  
VAR”. The RF signal is deactivated while this adjustment is being made.  
When changing to the setting mode of the “CHAN” menu, the current channel number appears  
on the LC display panel. After approx. 1 second, the currently assigned transmission frequency  
is displayed:  
1 sec.  
CH  
CH  
MHz  
̈ To select a different channel, slide the multi-function switch ¾ to the position (UP) or  
̄ (DOWN). The new channel number appears on the LC display panel for approx. 1 second  
and then the currently assigned transmission frequency is displayed.  
Only after the new setting has been stored (“STORED” has appeared on the LC display panel)  
is the RF signal with the frequency of the selected channel activated.  
Selecting the frequencies to be stored in the frequency bank  
VAR” – “TUNE”  
Via the “TUNE” menu, you can freely select the frequencies to be stored in the frequency bank  
VAR” (variable bank). The RF signal is deactivated while this adjustment is being made.  
When you have selected the frequency bank “FIX” and then select the “TUNE” menu, the  
transmitter automatically switches to channel 01 of the frequency bank “VAR” and the  
text “VAR” briefly appears on the LC display panel ¿.  
20  
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Adjustment tips for the operating menu  
The frequencies are tuneable in 5-kHz steps within a switching bandwidth of 184 MHz max.  
When operating a multi-channel system, make sure to only use intermodulation-free  
frequencies.  
There are two options for setting the frequencies:  
You can set a new frequency for the selected channel:  
̈ In the selection mode of the “TUNE” menu, press the multi-function  
SET  
switch ¾ (switch position țSET). The current channel number  
appears on the LC display panel and then the currently assigned  
frequency is displayed.  
UP  
DOWN  
¾
CH  
̈ Change the frequency by sliding the multi-function switch ¾ to the  
position (UP) or ̄ (DOWN).  
MHz  
̈ Store your setting.  
MHz  
You can change to a different channel and set a new frequency for the new channel:  
̈ Press the multi-function switch ¾ (switch position țSET) for a  
SET  
longer time. The current channel flashes on the LC display panel.  
UP  
DOWN  
¾
̈ Select a new channel by sliding the multi-function switch (UP) or  
̄ (DOWN).  
CH  
̈ Confirm your selection by pressing the mult-function switch (switch  
RF  
position țSET).  
CH  
̈ The current frequency of the selected channel is displayed.  
Change the frequency by sliding the multi-function switch ¾ to the  
position (UP) or ̄ (DOWN).  
MHz  
̈ Store your setting.  
MHz  
21  
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Adjustment tips for the operating menu  
Entering a name – “NAME”  
Via the “NAME” menu, you can enter a freely selectable name for the transmitter. This name can  
be displayed on the standard display and can consist of up to six characters such as:  
letters (without pronounciation marks),  
numbers from 0 to 9,  
special characters and spaces.  
After you have changed to the setting mode of the “NAME” menu, the first segment starts  
flashing on the LC display panel ¿.  
̈ Slide the multi-function switch ¾ to the position (UP) or  
SET  
̄ (DOWN) to select a character.  
UP  
DOWN  
(By sliding the switch only once, the display jumps either forwards or  
backwards to the next character. If you keep the switch slid, the  
display starts cycling continuously.)  
¾
̈ Press the multi-function switch ¾ (switch position țSET) to change  
to the next segment.  
̈ Have you entered the name completely? Press the multi-function  
switch ¾ (switch position țSET) to store your setting. “STORED”  
appears on the LC display panel.  
Adjusting the microphone sensitivity – “ATTEN”  
Via the “ATTEN” menu, you can adjust the transmitter’s sensitivity.  
The sensitivity is correctly adjusted when the level display for audio  
signal “AF” shows full deflection only during the loudest passages  
or when the red LED · lights up brightly.  
The sensitivity can be adjusted in 1-dB steps from +40 dB to –30 dB.  
RF  
AF  
dB  
The bargraph has a resolution of approx. 3 dB per segment with  
a display range of 45 dB.  
·
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Adjustment tips for the operating menu  
Adjusting the bass roll-off frequency – “LOWCUT”  
To reduce unwanted low-frequency noise such as wind and handling noise, you can activate a  
low-cut filter. The low-cut frequency is 120 Hz.  
If you do not want to reduce low-frequency signal portions, select the setting “FLAT”.  
Selecting the standard display – “VIEW”  
Via the “VIEW” menu, you can select one of the following standard displays:  
RF  
RF  
RF  
CH  
MHz  
Name  
NAME”  
Transmission  
frequency “FREQ”  
Channel  
CHAN”  
The selected standard display is shown  
after switch-on,  
after the menu settings have been displayed for 10 seconds in display mode.  
Loading the factory-preset default settings – “RESET”  
Via the “RESET” menu, you can load the factory-preset default settings. After the reset, the  
standard display is shown on the LC display panel.  
Function  
Setting  
Low-cut frequency  
Microphone sensitivity  
Name  
FLAT”  
0 dB”  
SK5212”  
Transmission frequency  
deactivated  
FIX 01”  
Standard display  
Autolock function  
Channel  
Output power  
PWR.HI”  
Frequencies in the frequency bank “VAR” are reset.  
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Adjustment tips for the operating menu  
Activating/deactivating the automatic lock mode – “LOCK”  
The transmitter has an autolock function (automatic lock mode) that can be activated or  
deactivated via the “LOCK” menu. When the autolock function is activated, the lock mode is  
automatically activated 10 seconds after pressing the last button. The lock mode protects the  
transmitter from accidental programming.  
̈ In the selection mode of the “LOCK” menu, press the multi-function  
SET  
switch ¾ (switch position țSET).  
UP  
DOWN  
The current setting of the autolock function is displayed.  
¾
̈ Change the setting by sliding the multi-function switch ¾ to the  
position (UP) or ̄ (DOWN).  
Select “LOC.ON” to activate the autolock function or select “LOC.OFF”  
to deactivate the autolock function.  
RF  
RF  
̈ Store your setting by pressing the multi-function switch ¾ (switch  
position țSET)  
.
Adjusting the output power – “POWER”  
The transmitter features switchable output power. With reduced output power, the operating  
time increases.  
In addition, you can also adjust the transmitter to “Low Intermodulation mode” (“LoI”). By so  
doing, the transmitter’s intermodulation performance is significantly improved, especially in  
multi-channel operation. In “Low Intermodulation mode”, the output power is reduced to  
10 mW; the operating time will be about the same as using an output power of 50 mW.  
Displaying the software revision – “SW--REV“  
You can display the current software revision of the bodypack transmitter by calling up the  
SW-REV“ menu item.  
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Cleaning the bodypack transmitter  
Exiting the operating menu – “EXIT”  
Via the “EXIT” menu, you can exit the operating menu and return to the standard display.  
When in the operating menu, briefly pressing the ON/OFF button µ will cancel your entry  
(ESC function) and return you to the standard display without saving any changes.  
Cleaning the bodypack transmitter  
Liquids can damage the electronics of the bodypack transmitter!  
CAUTION  
Liquids entering the housing of the device can cause a short-circuit and damage  
the electronics.  
̈ Keep all liquids away from the bodypack transmitter.  
̈ Use a cloth to clean the bodypack transmitter from time to time.  
̈ Do not use any solvents or cleansing agents.  
Recommendations and tips  
Tips for optimum reception  
Transmission range depends to a large extent on location and on the selected output power.  
There should be a “free line of sight” between transmitting and receiving antennas.  
To avoid overloading the receiver, observe a minimum distance of 5 m between transmitting  
and receiving antennas.  
Tips for multi-channel operation  
When operating a multi-channel system, make sure to only use intermodulation-free  
frequencies.  
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If a problem occurs ...  
If a problem occurs ...  
Problem  
Possible cause  
Possible solution  
No operation  
indication  
Battery is flat or inserted  
incorrectly  
Replace the battery or check if it  
is inserted correctly  
Transmitter cannot be Lock mode is activated  
Deactivate the lock mode  
switched off/  
Settings cannot be  
changed  
Receiver:  
Transmitter and receiver are not Set transmitter and receiver to  
No RF signal  
on the same channel  
the same channel  
Transmitter is out of range  
Check the squelch threshold  
setting on the receiver or reduce  
the distance between receiving  
antenna and transmitter  
Audio signal has a high Transmitter’s sensitivity is set  
level of background  
noise  
too high  
Receiver’s output level is set  
too low  
Increase the line output level  
Audio signal is  
distorted  
Transmitter’s sensitivity is set  
too low  
Receiver’s output level is set  
too high  
Reduce the line output level  
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.  
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Accessories  
Accessories  
…………  
…………  
…………  
MKE 1 clip-on microphone, omni-directional,  
available in different versions  
MKE 2 Gold clip-on microphone, omni-directional,  
available in different versions  
MKE Platinum clip-on microphone, omni-directional,  
available in different versions  
003876  
003838  
004227  
004228  
005301  
003402  
009862  
009864  
ME 102-ant clip-on microphone, omni-directional, anthracite  
ME 102-ni clip-on microphone, omni-directional, nickel  
ME 104-ant clip-on microphone, cardioid, anthracite  
ME 104-ni clip-on microphone, cardioid, nickel  
ME 105-ant clip-on microphone, super-cardioid, anthracite  
ME 105-ni clip-on microphone, super-cardioid, nickel  
HSP 2 headmic, omni-directional  
HSP 4 headmic, cardioid  
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Specifications  
Specifications  
Modulation  
wideband FM  
Frequency ranges  
range L:  
470 to 638 MHz  
range N:  
614 to 798 MHz  
range N-US:  
614.075 to 697.925 MHz  
range N-GB:  
606 to 790 MHz  
range P:  
776 to 866 MHz  
Switching bandwidth  
up to 184 MHz  
Transmission frequencies  
frequency bank FIX” with up to 59 factory-preset  
frequencies  
frequency bank “VAR” with 20 freely selectable  
frequencies (frequencies tuneable in steps of 5 kHz)  
RF output power  
switchable,  
typ.: 50 mW (PWR.HI)  
10 mW (PWR.LO)  
10 mW (PWR.LoI)  
Frequency stability  
±10 ppm in the specified temperature range  
±40 kHz/±56 kHz  
Nominal/peak deviation  
Signal-to-noise ratio  
typ. 110 dB(A)  
rms  
THD  
(at 1 kHz, nominal deviation)  
<
0.3%  
AF frequency response  
Noise reduction system  
60 to 20,000 Hz  
Sennheiser HiDynplus™  
Input sensitivity at  
nominal deviation  
–40 dBu = 7.75 mV  
Low-cut frequency (–3 dB)  
Sensitivity  
adjustable (flat, 120 Hz)  
adjustable in steps of 1 dB from –30 to +40 dB  
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Specifications  
Power consumption  
PWR.LO: approx. 150 mA (10 mW) at 1.5 V  
(without LC display illumination)  
PWR.HI: approx. 220 mA (50 mW) at 1.5 V  
PWR.LoI: approx. 220 mA (10 mW) at 1.5 V  
Operating time  
Connections  
PWR.LO: approx. 10 hrs  
PWR.HI: approx. 5.5 hrs  
PWR.LoI: approx. 5.5 hrs  
AF: 3-pin special audio socket  
RF: coax socket  
Dimensions  
Weight  
approx. 53 x 60 x 17 mm  
approx. 124 g incl. battery and antenna  
Operating conditions  
Ambient temperature  
Relative humidity  
Power supply  
–10°C to +55°C  
max. 90% (non condensing)  
1 AA size battery, 1.5 V  
Storage and transport conditions  
Ambient temperature  
Relative humidity  
Shock test  
–25°C to +70°C  
max. 90%  
shock test according to IEC 68 or EN 60068, T2-27  
In compliance with  
Europe:  
EMC  
EN 301489-1/-9  
Radio EN 300422-1/-2  
Safety EN 60065  
EN 62311 (SAR)  
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Specifications  
Approved by  
Canada  
Industry Canada RSS-123  
IC: 2099A-SK5212A2  
limited to 698 MHz  
USA  
FCC-Part 74  
FCC ID: DMOSK5212A2  
limited to 698 MHz  
Pin assignment of microphone socket  
AF socket  
Pin 1:  
Pin 2:  
+5.2 V for external special microphones  
3
AF and 5.2 V AB-powering; 8.2 kΩ internal resistance, optimized  
for Sennheiser pre-polarized condenser microphones.  
1
2
Pin 3 and  
thread:  
ground  
Audio sensitivity  
The transmitter’s audio sensitivity can be adjusted over a range of 70 dB (+40 dB to –30 dB) in  
steps of 1 dB. The diagram below shows the sensitivity range of the SK 5212-II in comparison to  
the earlier product generations SK 50 and SK 5012.  
SK 50  
SK 5012  
SK 5212-II  
40  
42  
36  
30  
24  
18  
12  
6
24  
16  
8
1
0...42 dB  
8
16  
–16...+24 dB  
30  
–30...+40 dB  
Switch position  
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Manufacturer Declarations  
Manufacturer Declarations  
Warranty  
Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on this product.  
For the current warranty conditions, please visit our website at www.sennheiser.com or contact  
your Sennheiser partner.  
In compliance with  
RoHS Directive (2002/95/EC)  
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)  
The declarations are available at www.sennheiser.com. Before putting the device into  
operation, please observe the respective country-specific regulations.  
Statements regarding FCC and Industry Canada  
This device complies with Part 15 of the FCC Rules and with RSS-123 of Industry Canada.  
Operation is subject to the following two conditions: (1) this device may not cause harmful  
interference, and (2) this device 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:  
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Manufacturer Declarations  
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.  
This class B digital device complies 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 device into operation, please observe the respective country-specific  
regulations!  
32  
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