TC
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1600 Owner’s Manual
14
Insert plug of earphone (with external PTT) into the accessory jack of the radio. Put on the
earphone and press PTT. Speak into the microphone to talk.
Fig 2 (a) Tx Interface Fig 2 (b) Rx Interface
Call Tone
The call tone feature is valid only when you have set a call tone in the menu mode. You
can send a call tone to your partner before begin talking with him/her. Briefly press “
”
key to transmit a call. The call tone will sound when you receive a call.
This feature can be enabled/disabled by the dealer.
VOX Feature
This feature is valid only when the radio is connected with external audio accessory.
Insert plug of VOX accessory into the accessory jack of the radio, set the VOX Sensitivity
Level in the menu mode, and then speak into the microphone to talk. When transmitting
using VOX feature, you will hear yourself talking through the accessory speaker. VOX
feature allows you to talk hands-free.
Press PTT key on the radio to disable VOX feature. This feature is enabled when you turn
on the power next time.
This feature can be enabled/disabled by the dealer.
TOT Function
This feature defines the time period of transmission on certain channel, which avoids
possible damage to the radio caused by long-time transmission. The time period can be
set as one minute, 5 minutes or off by your dealer.
Channel Select
In conventional mode, pressing “+” / “-” key can select your wanted channel. The
maximum number you can select is decided by the number of available channels and the
minimum number is 1. Holding down “+” / “-” key can increase/decrease the channel
number continuously.
Keypad Lock
In conventional mode, holding down “
” key can lock/unlock keypad. When keypad lock
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07.27
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