OPERATOR SELECTABLE TONE (OST)
You can change the preset encode and decode tones for the selected channel. Your dealer can program up to 40 tones on your transceiver.
To turn OST ON or OFF, press the key programmed as OST.
ïThe OST indicator (
) appears on the display when this function is activated.
To change the preset encode/decode tones:
1Press and hold the key programmed as OST for approximately 1 second.
ï The OST name appears on the display.
2Press the <B and C> keys, rotate the selector, or enter an appropriate number using the DTMF keypad to select your desired encode/decode pair.
3Press the Side 1, S, or 
key to accept the new setting and return to normal operation.
VOICE OPERATED TRANSMISSION (VOX)
VOX can be activated or deactivated by your dealer. VOX operation allows you to transmit
When operating VOX, you must set a VOX Gain level. This setting allows the transceiver to recognize sound levels. If the microphone is too sensitive, it will begin transmitting when there is noise in the background. If it is not sensitive enough, it will not pick up your voice when you begin speaking. Be sure to adjust the VOX Gain level to an appropriate sensitivity to allow smooth transmission.
To set the VOX Gain level, perform the following steps:
1Connect the headset to the transceiver.
ïThe VOX function does not activate when a headset is not connected to the accessory terminal of the transceiver.
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