OPERATIONS MANUAL
PS-540i
PROFESSIONAL MIXER
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PS-540i
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located on the rear panel. The stereo line inputs will accept any line
level input such as a CD player, a cassette player, etc.
INTRODUCTION
Congratulations on purchasing the Gemini PS540i mixer. This state of
the art mixer includes the latest features and is backed by a three year
limited warranty, excluding crossfader and channel slides. Prior to use,
we suggest that you carefully read all the instructions.
The phono inputs will accept only turntables with a magnetic cartridge.
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6. Headphones can be plugged into the front panel mounted
HEADPHONE (47) jack.
FEATURES
2 Stereo channels
THE GROUND LIFT SWITCH
epending on your system configuration, applying the ground
sometimes creates a quieter signal path. Sometimes “lifting” the
2 Phono/Line Convertible, 1 Phono, 1 Line and 1 Mic input
1/4" DJ Mic jack
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ground eliminates loops and hum to create a quieter signal path.
1. Listen to the system with the unit ON, without music, and with the
Low, Mid, High and Gain controls on each channel
Balanced and unbalanced Master Outputs
Master output control
ground “applied”. GROUND LIFT SWITCH (13) should be set to the
left.
2. Turn power OFF before moving the GROUND LIFT SWITCH.
3. Now, “lift” the ground by moving the GROUND LIFT SWITCH to the
right. Turn the power back ON and listen to determine which position
provides a signal free of background noise and hum.
Cue section
CAUTIONS
1. All operating instructions should be read before using this equipment.
Note: Keep GROUND LIFT in the ground “applied” or left
position if noise level remains the same in either position.
2. To reduce the risk of electrical shock , do not open the unit. There
are NO USER REPLACEABLE PARTS INSIDE. Please refer servicing to
qualified Gemini Sound Products service technicion.
hCAUTION: DO NOT TERMINATE THE AC GROUND ON THE POWER
CABLE. TERMINATION OF THE AC GROUND CAN BE HAZARDOUS.
In the USA: If you experience problems with this unit,
please call 1 (732) 969-9000 for Gemini Customer Service.
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OPERATION
1. POWER ON: Once you have made all the equipment connections
to your mixer, press the POWER SWITCH (1).
Do not attempt to return this equipment to your dealer.
2. CHANNEL 1: The GAIN (48), HIGH (20), MID (21), and LOW (22)
controls allow you to fully adjust the selected source. Switch (23)
allows you to select the PHONO 1 (12) or the PHONO 2 LINE 1
(11) input. CHANNEL SLIDE (24) controls the input level of this
channel.
3. Do not expose this unit to direct sunlight or to a heat source such as
a radiator or stove.
4. This unit should be cleaned only with a damp cloth. Avoid solvents or
other cleaning detergents.
3. CHANNEL 2: The GAIN (41), HIGH (33), MID (34), and LOW (35)
controls allow you to fully adjust the selected source. Switch (36)
allows you to select the PHONO 3/LINE 2 (7) or the LINE 3 (6)
input. CHANNEL SLIDE (37) controls the input level of this channel.
5. When moving this equipment, it should be placed in its original carton
and packaging. This will reduce the risk of damage during transit.
6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
PLEASE NOTE: There is Low, Mid and High equalization for
each channel with an extremely wide range of adjustment.
7. DO NOT USE ANY SPRAY CLEANER OR LUBRICANT ON ANY
CONTROLS OR SWITCHES.
SUGGESTION: You can use the Cut Features on each channel
to remove Low, Mid and/or High range to create special effects.
CONNECTIONS
1. Before plugging in the power cord, make sure that the VOLTAGE
SELECTOR (2) switch is set to the correct voltage.
4. KILLING FREQUENCIES: There are two ways to kill frequencies,
using the LOW (25, 38) ,MID (26, 39), and HIGH (27, 40) KILL
SWITCHES. Each Kill Switch has three positions, latch, normal and
flash. When you move the selected KILL SWITCH to the top LATCH
(ON) position, the switch will stay there, and the frequency will be
killed. When you move the selected KILL SWITCH to the center
position the kill function is not active, and the frequency will not be
killed. When you move the selected KILL SWITCH to the bottom
FLASH position and hold it there, the frequency will be killed.
Releasing the selected KILL SWITCH from the bottom position will
bring it back to the center position and the frequency will no longer
be killed.
NOTE: This product is double insulated
and is not intended to be grounded.
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2. Make sure that the POWER (1) switch is in the OFF position.
3. The PS-540i is supplied with 3 sets of output jacks. The OUTPUT
AMP (3) jacks are used to connect to your main amplifier. The
OUTPUT REC (5) jacks can be used to connect the mixer to the
record input of your recorder enabling you to record your mix.
The 1/4" jack BALANCED OUTPUT (4) jacks are used to connect to
your main amplifier using standard 1/4" connector cables. We
recommend using balanced amp outputs if the cables to your amp
are 25 feet or more.
he Crossfader in your unit is removable and, should the
need arise, can easily be replaced by following these
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instructions. Note: Gemini replacement Crossfaders are
4. The DJ MIC (28) input (found on the front panel) accepts a 1/4"
connector for balanced or unbalanced microphones.
available in three varieties: the RG-45 PRO (RAIL GLIDETM) Dual-Rail
Crossfader; the RF-45, which has a 45mm travel from side-to-side;
and the PSF-45, which features a special “curve” designed for scratch
mixing.
5. On the rear panel are 2 stereo PHONO/LINE (7,11) inputs, 1 stereo
PHONO (12) input and 1 stereo LINE (6) input. The PHONO/LINE
SWITCHES (8,10) enable you to set the (7,11) inputs to Phono or
Line. The phono inputs will accept only turntables with a magnetic
cartridge. A GROUND SCREW (9) to ground your turntables is
5. CROSSFADER SECTION: The CROSSFADER (32) allows the mixing
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of one source into another. The left side of the CROSSFADER (32) is
CHANNEL 1 and the right side is CHANNEL 2.
SPECIFICATIONS
INPUTS:
1. Unscrew the outside
FADER PLATE SCREWS (B).
DJ Mic..............................................................................1.5mV 2 KΩ Balance
Phono @ 1kHz........................................................................2mV 47 kΩ
Line.....................................................................................100 mV 10 kΩ
OUTPUTS:
- Do not touch INSIDE SCREWS (C).
2. Carefully remove old Cross-
fader and unplug CABLE (D).
3. Plug new Crossfader into
CABLE (D) and place back into mixer.
Amp..........................................................................0 dB 1V 400 Ω
Max...............................................................................18V Peak-to-Peak
GENERAL:
4. Screw Crossfader to mixer with
FADER PLATE SCREWS (B).
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Low (Channels 1-2)...........................................................+ 12dB/- 32 dB
Mid (Channels 1-2)..............................................................+ 12dB/- 32 dB
High (Channels 1-2).............................................................+ 12dB/- 32 dB
Gain (Channels 1-2).......................................................................0 to -20dB
Frequency Response............................................20Hz - 20kHz +/- 2dB
Distortion..............................................................................less than 0.02%
S/N Ratio..........................................................................better than 80dB
Talkover Attenuation........................................................................16dB
Power Source...................................................115/230V 50/60Hz 20W
Dimensions.............................10”Wx 10.24”H x 3.3”D(254 x 260 x 84 mm)
Weight.....................................................................................6.3 lbs(3 kg)
The CROSSFADER CURVE BUTTON (19) allows you to adjust the kind
of curve the crossfader has .Depress the crossfader curve button to
make the curve steep and cutting (perfect for scratching).Release the
crossfader curve button to make the curve gradual and gentle. The
CROSSFADER REVERSE SWITCH (31) allows you to reverse the
crossfader so that CHANNEL 2 is controlled by the left side of the
crossfader and CHANNEL 1 is controlled by the right side of the
crossfader.
NOTE: When the CROSSFADER REVERSE SWITCH (31) is
activated (moved to the right), only the crossfader
reverses. The Channel Slides, Gain, Kill Switches and
tonal controls do not reverse.
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6. PUNCH IN: The PUNCH IN BUTTONS (18,46) allow you to add a
channels signal to the mix when the crossfader is set to the opposite
channel.
7. OUTPUT CONTROL SECTION: The level of the MASTER OUTPUT (3) is
controlled by the MASTER (45) control.
NOTE: The RECORD OUT (5) has no level control. The
level is set by the channel slides and the gain controls
of the selected channel. The tonal qualities are set by
the low, mid and high controls of that same channel.
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8. TALKOVER SECTION: The purpose of the talkover section is to
allow the program playing to be muted so that the mic can be heard
above the music. The MIC/TALKOVER (14) switch has three
settings. When the MIC/TALKOVER (14) switch is in the left
position, the mic and talkover are both off . When the MIC/
TALKOVER (14) switch is in the center position the mic is on, the
MIC INDICATOR (15) will glow, but talkover is off. When the MIC/
TALKOVER (14) switch is in the right position. The mic and talkover
will be on and the volume of all sources except the Mic input are
lowered by 16 dB. MIC LEVEL (17) controls the level of the MIC.
The MIC EQ (16) control allows you to fully adjust the tone of the
MIC.
9. CUE SECTION: By connecting a set of headphones to the
HEADPHONE (47) jack, you can monitor either channel or both
together. Move the CUE SWITCH (42) to the left to monitor CHANNEL
1. Move the CUE SWITCH (42) to the right to monitor CHANNEL 2.
By rotating the CUE PGM PAN (43) control to the left you will be
able to monitor the assigned cue signal. Rotating to the right will
monitor the PGM (program) output. Use the CUE LEVEL (44)
control to adjust the headphone volume without effecting the overall
mix.
10. DISPLAY: The peak hold, dual function DISPLAY (29) indicates
either the MASTER output left and right levels or the channel 1 and
channel 2 levels. You can choose the option you want by pressing
the DISPLAY (30) button.
NOTE: When the DISPLAY (29) is in the channel 1/channel 2
display mode, by adjusting the individual channel gain and
tone controls, you can increase or decrease the signal to
match the other channel’s signal. The channel slides and
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crossfader have no effect on the display readings.
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In the USA: If you experience problems with this unit,
call 1 (732) 969-9000 for Gemini Customer Service.
Do not attempt to return this equipment to your dealer.
Parts of the design of this product may be protected by worldwide patents.
Information in this manual is subject to change without notice and does not
represent a commitment on the part of the vendor. Gemini Sound Products Corp.
shall not be liable for any loss or damage whatsoever arising from the use of
information or any error contained in this manual.
No part of this manual may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, electrical, mechanical, optical,
chemical, including photocopying and recording, for any purpose without the
express written permission of Gemini Sound Products Corp.
It is recommended that all maintenance and service on this product is performed
by Gemini Sound Products Corp. or its authorized agents.
Gemini Sound Products Corp. will not accept liability for loss or damage caused
by maintenance or repair performed by unauthorized personnel.
Worldwide Headquarters • 8 Germak Drive, Carteret, NJ 07008 • USA
Tel: (732) 969-9000 • Fax: (732) 969-9090
France • G.S.L. France • 11, Avenue Leon Harmel, Z.I. Antony, 92160 Antony, France
Tel: + 33 (0) 1 55 59 04 70 • Fax: + 33 (0) 1 55 59 04 80
Germany • Gemini Sound Products GmbH • Ottostrasse 6, 85757 Karlsfeld, Germany
Tel: 08131 - 39171-0 • Fax: 08131 - 39171-9
UK • Gemini Sound Products • Unit C4 Hazleton Industrial Estate, Waterlooville, UK P08 9JU
Tel: 087 087 00880 • Fax: 087 087 00990
Spain • Gemini Sound Products S.A. • Mino, 112, Nave 1, 08223 Terrassa, Barcelona, Spain
Tel: 011-34-93-736-34-00 • Fax: 011-34-93-736-34-01
© Gemini Sound Products Corp. 2001 All Rights Reserved
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