2.6 Dimensions Polycon MP20 series hand held radio ............................................... 2-2
2.7 Location of connectors and pin assignment .......................................................... 2-3
2.7.1 Helmet/headset connection pin assignment .................................................. 2-3
2.8 Microphone compatibility ...................................................................................... 2-3
2.9 Post installation calibration ................................................................................... 2-4
SECTION 3: OPERATION ...................................................................................................... 3-1
3.1 MP20 series charging ........................................................................................... 3-1
3.2 Power Up/Down Sequence .................................................................................. 3-1
3.3 Change channel ................................................................................................... 3-2
3.4 Walkie-Talkie mode .............................................................................................. 3-2
3.5 Helmet/Headset connection ................................................................................. 3-2
3.6 NIVOX/Push to Talk (PTT) Operation ................................................................... 3-3
3.7 Person to Person / Casualty Communication mode ............................................. 3-3
3.8 Display orientation ................................................................................................ 3-4
3.9 Output Power Settings ......................................................................................... 3-4
3.10 Pressure Equalizing Actuator ............................................................................... 3-5
3.11 Default Settings .................................................................................................... 3-5
3.11.1 Select NIVOX or PTT default. ........................................................................ 3-5
3.11.2 Squelch ......................................................................................................... 3-6
3.11.3 Automatic Gain Control (AGC) ...................................................................... 3-6
3.11.4 Analogue Trigger Level (NIVOX Threshold) .................................................. 3-6
APPENDIX A CALIBRATION PARAMETERS ...................................................................... A