QUICK GUIDE
SPECIFICATIONS AND CONNECTIONS
Power
Consumption
Output level
Connector
Frequency response
Output Contact
Audio Controls
Priority Controls
Chime
Talk mode
Finish
Dimensions
Weight
Accessories (included)
MD-18 Version 1.0
12-24 Vdc
50 mA
-60 / 0 dB selectable
DIN 7P Female (DIN 5P compatible)
250 – 10500 Hz
Solid state relay
Microphone volume, chime volume, compressor
1
in 1
/ Cascade, ACK
s
st
Start
PTT or Lock
ABS cover, zinc base
Base: 170 x 112.5 x 63.6 mm
Gooseneck: 342 mm
0.8 kg
Power source 12 Vdc 500 mA
1/1
MICROPHONE DESK
MD-18
WARNING:
Make sure the power outlet conforms to the power
requirements before connecting the equipment.
Do not install the unit near heat sources.
Only qualified service personnel should be allowed to
install and operate the unit.
1. Microphone.
1. Microphone.
2. Talk/Gong/Busy indicator (Green/Red/Orange).
2. Voice/Chime LED Indicator (Red/Green).
3. Gong + Talk key.
3. Call Button.
4. Talk key.
4. Chime level.
5. Power connector.
5. Mic volume.
6. Output connector.
6. Output connector.
7. Microphone volume.
7. Power connector.
8. Gong volume.
8. Noise Gate ON/OFF.
9. Gain selector and configuration dipswitch
9. Gain selector -60/-20 dB.
(removing the cover).
10. Chime and Talk mode selector.
CONFIGURATION
6. Link between GND and shield: Yes / No
5. Priority resistor (2k2) shorted: Yes / No
4. Priority: 1
in 1
/ Cascade
st
st
3. Working mode: Lock / Push to talk
2. Compressor: On / Off
1. ACK: On / Off
Set the two gain switches upwards to set the audio level to -60 dB (MIC)
or downwards to set it to 0 dB (AUX).