Audiovox FR-531-2 - Manual (Page 10)

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Channel Selection
Press the function button once or until the two digit channel display flashes.
Press Up or Down buttons (10, 9) to select desired channel (1–14). Press the
PTT button to confirm and fix channel selection.
Roger Beep Tone
The Roger Beep is a beep tone sequence which is automatically transmitted
whenever the PTT button is released. This alerts the receiving party that your
transmission has been ended intentionally, provided that unit has an enabled
Roger Beep funtion also. To enable the Roger Beep tone:
- Press the F button twice until the rb icon flashes and On or oF
appears on the display.
- Then press the Up or Down button to set the function On.
- To disable the Roger Beep tone, proceed as before, except press the Up
or Down button to set the function oF.
- Press the PTT button to confirm the On or oF condition.
Beep Confirmation Tones
Whenever any of the function select buttons are pressed, the speaker will
automatically sound a beep tone to confirm each press.
VOX Function
This feature enables you to have hands-free conversation. When using the internal
microphone/speaker or external microphone/headset (purchased separately),
your voice or the signal is detected and the radio transmits and receives
automatically.
To access the VOX function:
- Press the VOX button; the VOX icon appears on the display.
NOTE: In the VOX mode, the sensitivity is automatically set.
- To exit the VOX mode, press the VOX button again; the VOX icon will
disappear from the display.
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FUNCTIONS