Auto Key Lock Selection Mode

This feature prevents accidental changes to the preferred settings

of the unit. The Auto Key Lock function temporarily disables the MODE, Up/ Down and SCAN Buttons.

To access the Auto Key Lock selection menu:

-From GMRS/FRS standby mode, press and hold the VOX Button for

2 seconds to enable the Auto Key lock function; the unit will beep once

and the lock ( ) icon appears on the display.

-The Power and PTT Buttons are not effected.

-To unlock the Auto Key function, press and hold the VOX button for

2 seconds; the unit beeps once and the lock icon ( ) disappears from the display.

NOTE: If the unit is turned off while Key Lock is on, the Key Lock mode will still be in effect when the unit is again turned on.

VOX Enable Operation

This option enables you to have hands-free conversation. Your voice or nearby sound is detected and the radio transmits without the need to press the PTT button.

To enable VOX operation:

-From GMRS/FRS standby mode, press the VOX button momentarily;

the icon appears steady on the display.

-To disable the VOX mode, press the VOX button momentarily; the VOX icon disappears from the display.

FM Band Operation

FM station Selection

This feature provides access to the FM broadcast band frequencies from 87.5MHz to 107.9MHz. To select an FM station, the unit must be on. Press and hold the MODE button for at least 3 seconds; the FM icon will appear together with an FM frequency in the band.

Momentarily press the MODE button (12) once; the frequency flashes.

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Audiovox GMRS500SLK owner manual Auto Key Lock Selection Mode, FM Band Operation FM station Selection, VOX Enable Operation