English
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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 whose FX-400
unit does not have the feature).
8.4.2 Setting the DCS advanced digital code
Each channel also has 83 digital codes to let you set up group of users for
more secured private communication.
a.
Press the MENU button 3 times. DCS code flashes on the
LCD screen.
b.
Press the UP or DOWN button to select the desired DCS
code.
c.
Press PTT button to confirm the DCS setting.
Note: Once you set the DCS code, CTCSS will automatically set to off
mode or vice versa.
Transmitting and Receiving
The FX-400 transmission is “one way-at-a-time.” While you are
speaking, you can not receive a transmission.
The FX-400 is an open-license band. Always identity yourself when
are transmitting on the same channel.
8.4.3 Transmitting (sending a speech)
The unit is continuously in the Receive mode when the unit is turned ON
and not transmitting. When a signal is received on the current channel,
“RX” will be displayed on the LCD Screen and the receiver LED lights up.
a.
Press and hold the PTT (Push to Talk) button to transmit
your voice. The transmit signal icon “TX” will display on
the LCD screen.
b.
Hold the unit in a vertical position with the Mic
(Microphone) 5 cm away from the mouth. While holding
