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6. Basic Operations
6.1 Powering On/Off
Rotate the Power On-Off/Volume Control knob clockwise/counter-clockwise until a click is heard to
turn the radio on/off.
6.2 Adjusting the Volume
After turning the radio on, rotate the Power On-Off/Volume Control knob clockwise to increase the
output sound volume, or counter-clockwise to decrease it.
6.3 Adjust Power Level
With this feature, you may switch power levels quickly. Generally, we recommend you to adopt low
power for battery saving. However, if you cannot communicate with radios located at a distant place with
low power, please select high power.
Operation: Press the programmed Adjust Power Level key to switch the Tx power of the current
channel between High and Low.
6.4 Selecting a Zone
A zone is a group of channels exhibiting the same property. You can list such channels into a zone for
convenient management to them. This radio supports 3 zones: Zone 1, Zone 2 and Zone 3, each of
which can contain 16 channels at most.
You may quickly toggle to your wanted zone by pressing the programmed Zone Up or Zone Down key.
When toggling to a zone, you will hear the alert tone for the zone (one alert tone for Zone 1, two alert
tones for Zone 2 and three alert tones for Zone 3).
6.5 Selecting a Channel
After turning the radio on, rotate the Channel Selector knob to select a needed channel. You can also
switch to the designated channel by pressing the programmed Preset Channel key.
If the Channel Notify function is active, you will hear the corresponding channel number when switching
to any channel.
6.6 Switching the Channel Mode
Each channel can be programmed as either analog channel or digital channel via your dealer. If the
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