Conference Systems GM143C User manual
ISO 9001:2008
GM143C/GM-143S
Professional Desktop Gooseneck Microphone
OPERATION MANUAL
GREEN PRODUCT
GM-143C
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3
3
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PARTS AND FUNCTIONS OF GM-143C
1. CHAIRMAN Priority MUTE button: Press to disable talks on other
microphones. Press again to recover. Members have to press "TALK"
again to speak.
2. TALK button: Press to talk and press again to stop.
3. TALK LED: It lights up under "TALK" mode and flashes under "MUTE"
mode.
4. Audio input/output connector
5. DC in jack
6. Power indicator
7. Gain control: User can rotate the knob until a desired acoustic quality is
reached.
GM-143S
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2
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1. TALK button: Press to talk and press again to stop.
2. TALK LED: It lights up under "TALK" mode.
3. Audio input/output connector
4. DC in jack
5. Power indicator
6. Gain control: User can rotate the knob until a desired acoustic quality is
reached.
PARTS AND FUNCTIONS OF GM-143S
Installing GM-143 compact conference microphone system
GM-143 SYSTEM CONNECTION
OTHER INSTRUCTION
1. The GM-143C/GMC-10/switching adaptor can be located anywhere in
the system.
2. This conference system may consists of up to 20 units, in which only one
GM-143C can be installed.
3. The conference system adopts a CAT.5e/CAT.6 network connecting the
CHAIRMAN and other microphones to the amplifier with cables and a
converter (GMC-10).
4. The GM-143C is equipped with speech priority in particular.
5. Each unit, excluding under CHAIRMAN priority mode, will shut off
automatically after a five-minute idle.
6. To prevent feedback noise, please adjust the GAIN and the volume before
operating the multi-unit conference system.
7. The network cable Cat.5E UTP has to meet TIA/EIA-568-B.2 standards
with copper wires of 24AWG-1/0.49A*4P (CM/UL).
GMC-10
converter
switching
adaptor
15V 4.3A
CAT.6 cable
(recommended)
Active speaker 6.3mm audio
cable
12I2220
CAT.6 cable
(recommended)
Conference Systems
12900-C Cloverleaf Center Drive
Germantown, MD 20874
USA
1.240.404.0549 Product Sales
1.301.330.9090 Corporate Office
www.conferencesystems.com
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