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Model BR777
CONTROLS
13. PTT Button – Press and hold to transmit voice communication.
14. UP Button – Increase the volume level or make adjustments in Program
mode.
15. DOWN Button – Decrease the volume level or make adjustments in
Program mode.
16. MIC – Built-in microphone.
17. ANTENNA.
18. EXTERNAL SPEAKER/MIC JACK.
19. SCAN/CALL/KEYLOCK Button – Press and hold within 2 seconds then
release to enter SCAN mode. Press twice quickly to send CALL Alert tone.
Press and hold to turn on/off the Keylock function.
20. MODE/POWER ON/OFF Button – Press and hold to turn the radio on/off.
Press to activate the MENU mode.
21. SPEAKER – Built-in speaker.
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