3. Operation
3.1 Transmitting range
The talk range depends on the environmental and terrain. It should
be longest (up to about 8km) in wide open spaces, 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
FX-400, hold the unit at least 5cm (2 inches) away from your face.
Never use your FX-400 outdoors during a thunderstorm.
Don’t use the FX-400 in the rain.
If your FX-400 ever 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 FX-400 out of the reach of 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 the LCD screen. You can
change the volume while using your FX-400, or while the unit is idle
(switched on but not in use).
press the
UP
button to increase, or press the
DOWN
button to
decrease the speaker volume.
3.4 Changing Channels
The FX-400 has 8 available channels, to communicate with other
FX-400 users within a range, you must all have your FX-400 tuned in
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
c. The channel changes from 1 to 8, or vice versa.
d. 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-channe
l
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 turned to the same channel and sub-channel.
a. Press the
MENU
button twice, the current CTCSS
sub-channel number flashes on the LCD Screen.
b. Press the
UP
or
DOWN
button to select one of the 38
CTCSS sub-channels.
c. Press the PTT button to confirm the sub-channel setting.
To turn the sub-channel function off
, simply set the sub-
channel to 0 (zero). You can communicate with any FX-400 user set
to the same channel who also turns off the sub-channel operation (or
