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3. Operation
3.1 Transmitting range
The talk range depends on the environmental and terrain. It will be
reach (up to about 8km) in wide open space, without obstructions
such as hills or buildings. Don’t try to use two PMR units which are
less than 1.5m (5feet) apart. If you do, you may experience
interference.
Important safety warning
To reduce radio frequency exposure when you are using your
Never use your Terrain 650 outdoors during a thunderstorm.
Don’t use the Terrain 650 in the rain.
If your Terrain 650 gets wet, turn it off and remove he battery. Dry the
battery compartment and leave the cover off for a few hours. Don’t
use the unit until it is completely dry.
Keep the Terrain 650 out of reach babies and young children.
3.2 Turning the Unit ON/OFF
To Turn ON;
a. Press and hold the POWER button until the LCD Screen
turns ON and displays the current channel.
To switch OFF;
b. Press and hold the POWER button until the LCD screen
turns blank.
You can hear a musical tone each time to confirm.
3.3 Adjusting the Speaker volume
The volume level is shown by vertical bars on the LCD screen. You
can change the volume while using your Terrain 650, or while the unit
Press UP button to increase, or press DOWN button to decrease the
speaker volume.
3.4 Changing Channels
The Terrain 650 has 8 available channels, to communicate with other
to the same channel.
a. Press the MENU button once, the current channel
number flashes on the LCD Screen.
b. Press the UP or DOWN button to select the desired
channel. The channel changes from 1 to 8, or vice versa.
c.Press the PTT button to confirm the channel setting.
Note: Refer to the “Channel Table” section of this Owner’s Manual
for detailed frequency listing.
3.4.1 Setting the CTCSS sub-channel
Each channel also has 38 sub-channels to let you set up group of
users within the same channel for more private communication. If
you have set the sub-channel, you can only communicate with other
PMR users tuned to the same channel and sub-channel.
To turn the sub-channel function off, simply set the sub- channel
to 0 (zero). You can communicate with any Terrain 650 user set to the
same channel who also turns off the sub-channel operation (or
whose unit does not have the feature).
Terrain 650, hold the unit at least 5cm (2 inches) away from your face.
is idle (switched on but not in use).
Terrain 650 users within a range, you must all have your Terrain 650 tuned
in
Terrain 650