Smart Communications Ltd SC980A User Manual

Page of 14
Page 10/12 
GPS ANTENNA JACK 
Interface for connecting GPS Antenna (need in optional GPS unit). 
 
 
BASIC OPERATION 
1. Push the power switch / volume control clockwise to switch the transceiver on. 
Push the Power switch / volume control counterclockwise to switch the transceiver off. 
2. Rotate the power switch / volume control to adjust the volume.   
  Clockwise increase the volume. 
    Counter clockwise decrease the volume. 
 
LTR OPERATION 
Push the key, or rotate System control to select the desired system channel and talk group. 
Note: Systems, groups and their functions are programmed by your dealer. 
 
RECEIVING: When a call is received, the transceiver will automatically change to correct 
group and you will hear the call. 
 
TRANSMITTING: Press and hold the PTT switch and speaking into the microphone. 
Release the PTT switch to receive. 
 
CONVENTIONAL OPERATION 
Push the key, or rotate System / Group control to select the desired system channel and talk 
group. 
Note: Systems, groups and their functions are programmed by your dealer. 
 
RECEIVING: When you hear the caller’s voice, adjust the volume. 
 
TRANSMITTING: Press the programmable Monitor key. Check the channel. 
If Channel is busy, wait until it becomes free. 
Press and hold the PTT switch and speaking into the microphone. 
Release the PTT switch to receive.