HYT TM-610 Manual page 18

Vhf/uhf mobile radio
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The RX/TX frequency on each channel is set by your dealer.
Press the [CH Up] key (programmable) to select a higher numbered channel; press the
[CH Down] key (programmable) to select a lower numbered channel.
Select a Zone
The [▲]/[▼], [P1]-[P4] function keys are programmable by your dealer to select a zone.
The RX/TX frequency on each channel is set by your dealer.
Press the programmed [Zone Up] key to select a higher numbered zone; press the
programmed [Zone Down] key to select a lower numbered zone.
Receive a Call
If CTCSS/CDCSS, 2-Tone is set on the current channel by your dealer, you can receive
calls with matched signalling only. If CTCSS/CDCSS, 2-Tone is not set, you can hear from
all the users on the same channel.
Send a Call
1. Hold down the [PTT].
2. Speak into the microphone. The red LED lights while calling.
3. Release the [PTT] to return to the receive mode.
4. When transmission ends, put the microphone on hook.
Select Power Level
If the current channel is programmed with high power by your dealer, the power output
toggles between high and low upon each press the programmed Tx Power Select key.
The "LO" icon is displayed on LCD while using low power.
A higher level means you can reach a radio that is farther away. A lower power level saves
battery and reduces the possibility of interference. Use the high power setting only when
necessary.
Note:
* If the current channel is programmed with lower power, press the Tx Power Select key
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