28
English
 
Microphone 
Clip
The microphone clip must be earthed (to the negative 
supply line) if hookswitch control of monitoring, scanning 
or call termination is to operate. Refer to the radio’s 
operating instructions to confirm requirements.
Ensure that the microphone clip is mounted in a position 
where the microphone PTT key cannot be inadvertently 
activated or jammed on. 
Installation 
Checks
1 Plug the microphone into the socket on the lower left-
hand corner of the radio’s front panel. Push the cable 
grommet into the rectangular aperture in the panel.
2 Insert the fuses into the power lead.
3 Switch on the radio and confirm that it is operational.
4 Connect an in-line power meter between the radio 
and the antenna and measure the forward and 
reflected power levels. Less than 1W should be 
reflected for 25W forward power. If this is not 
achieved, check the installation – including antenna 
length.
5 Make a call to another party on the radio (as 
described in the operating instructions).
Installation