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4. Group Down Select the next group
5. Display Channel
Frequency Press this button and the LCD will show the frequency of the current channel.
6. Display Channel Name Press this button and the LCD will show the name of the current channel.
7. Display Mode Switch Press this button and the LCD will show “Channel Number”, “Channel Name”,
“Group Number, Group Name” and “Channel Frequency” alternately.
8. OST Change the setup of preset QT/DQT for the current channel.
9. Power Selection Press this button to make selection among the high, medium and low
transmission power, and “H”, “M” and “L” will be shown on the LCD to represent
the current transmission power.
10. Squelch Level Selection Press this button to enter the “Squelch Level Adjustment Mode” first, and then
press the / button to adjust the level. Press the button to
save the selected squelch level and quit this mode.
11. Locking Button Start/close the function of locking button.
12. Scan Start/close the scanning function of system.
13. Mixed Channel
(Temporary) Cancellation Cancel the noise channel.
14. Voice Companding Start/close the voice compression/expansion function.
15. Speech Amplification
Start/close the speech amplification function. Press this button and the function
will be started. Press the PTT button and speak to the microphone so that you
can hear your voice but not send it through the external speaker connected to
the vehicle mounted radio. Press this button once again and the amplification
function can be closed and the vehicle mounted radio return to the user’s
mode.
16. Interference Start/close the voice interference function.
17. Standby Channel
Press this button and the vehicle mounted radio will be switched to the set
Standby channel. Where the double Standby channel is set, press this button
and the radio will be switched to the Standby Channel 1. Press this button
again within two seconds to switch it to the Standby Channel 2. To return to the
previous channel, press this button for the third times within 2 minutes.
Switching of zone can follow after switching to the Standby channel. If it is the
single channel, press this button within 2 seconds to switch between the
Standby channel of this button and the current channel. Press this button again
after 2 seconds to switch to the Standby Channel 1.
18. Talkaround Pressing the programming button as the TALKAROUND button, the
transmission will be done according to the received frequency.
19. VOX Selection Start/close the VOX function of the current channel.
20. Instantaneous
Monitoring/Call Cancel
Press this button to close QT, DQT, 2Tone/DTMF signaling according to the set
data. Loosen this button to return to the normal operation. Press this button in
the elective call state to quit such a state.
21. Trigger Monitoring/Call
Cancel
Press the programming button to trigger this button and the QT, DQT,
2Tone/DTMF signaling will be closed, so you can receive the signal that can’t
be heard in the normal operation. Press this button return to the normal
operation.
Press this button in the elective call state to quit such a state.
22. Instantaneous Squelch
Cancel/Call Cancel
Press this button and the squelch function will start; loosen this button to return
to the normal operation.
Press this button in the elective call state to quit such a state.
23. Cancel Squelch/Call
Cancel Press this button and the squelch function will start; press this button again to
quit this button.
24. Emergency Alarm Press this EMERGENCY ALARM button and you can give the alarm according
to the write-frequency software or send your identification or background to
your partner or the system.
25. Overall Call Press this button to enter the fast menu mode of “Radio Call”. For detailed