VOX Delay
The VOX delay, like the VOX sensitivity, is preset at the factory.
Roger Beep Tone
The unit will also transmit a beep tone sequence after each transmission to signal the receiving party that transmission has ended. This tone is called a “Roger Beep”. Press the Function F() button five times until the ( RGB ) icon flashes and oN or oF appears. Then press Up (
) or Down (
) button to set the function on. The ( RGB ) icon will remain displayed. To disable the “Roger Beep”, proceed as before, until Beep Tone icon appears flashing. Then press Up (
) or Down (
) buttons to set the function to off. Press the PTT button to confirm your selection.
Button Confirmation Tone
Whenever the Up/Down or Function (F) select button is pressed, the speaker will sound a beep tone to confirm each press, provided the key tone feature is enabled. To disable the key tones, press Function button six times until the Beep Tone icon ( 
) appears flashing and oN or oF appears. Then press Up (
) or Down (
) to set the function off. Press the PTT button to confirm your selection. When oF is selected, no beep tones should be heard. To enable the key tones proceed as before, until Beep Tone icon appears flashing. Then press Up (
) or Down (
) button to set the function to on and the beep tones will be heard.
Key Lock
This feature prevents accidental change of unit settings. While enabled, Key Lock allows only the PTT button to operate.