User's Manual

Function Description SP-7402
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(3) Key Lock
1) All keys are locked except EMG, PTT and Rotary Selector.
- To release the key lock status, push the lock key once more.
2) Display of the Key Lock Status
(4) Transceiver Lock
1) This function is to prevent others from using the radio.
- If you push the transceiver lock key, when the radio has no password
Error Beep out and Error Message will be displayed.
(5) Compander
1) This function is to reduce noise components from the transmitting audio to
provide clear voice quality.
2) Display: The compander icon appears when the function is on.
(6) Scramble
1) This function is to prevent others from easily listening your call.
2) Display: The scrambler icon appears when the scrambler is on.
Key Lock Icon