TTI TX-446 - Setting the Squelch Level; Handsfree Transmission (VOX); VOX Sensitivity Adjustment

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Handsfree Transmission (VOX)
This option enables you to have handsfree conversation.
Your voice or sound around the radio is detected, and the
radio automatically goes to the TX mode without pressing
the PTT Button.
VOX Operations
To set your radio to VOX mode, you have to:
1. Turn the radio off.
2. Turn the radio on with the side button 1 being pressed.
3. VOX is activated through the radio built-in microphone.
4. VOX is also activated through the optional headset
microphone once the headset is connected through the
microphone connector on the radio.
Selecting VOX Sensitivity
To change the VOX sensitivity between low and high, you
should:
1. Turn the radio off.
2. Turn the radio on with the side button 2 being pressed.
Setting Squelch Level
The Squelch function plays a role in controlling the amount
of signals the radio receive. Setting the radio to the tight
squelch level, you can avoid unwanted signal or noise,
but you may not receive a weak signal. So, it will be better
for you to select the Normal Squelch level.
You can change between the tight and normal squelch level
as below:
• The
positive beep
means your transceiver is set as tight
positive beep means your transceiver is set as tightpositive beep
squelch.
• The
negative beep
means your transceiver is set as normal
squelch.