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Performing Communication
Fixing the Communication Mode
To fix the transmission mode for operation, touch
[MODE]
to switch the communication
mode.
Touching
[MODE]
each time toggles the communication mode as follows.
[
Operation mode
Icon
Description of Modes
AMS
(Automatic Mode Select)
The transmit mode is automatically selected from the 4 types,
corresponding to the received signal.
(The “DN” part of the icon differs depending on the type of the
received signal.)
By touching [TX DN], you can change the AMS function operation.
TX M: Automatically selects one of the 4 communication modes
according to the received signal. Briefly pressing PTT on
the microphone switches between digital mode and analog
mode.
TX FM: Automatically selects one of the 4 communication modes
according to the received signal. Always switches to FM
mode for transmission.
TX DN: Automatically selects one of the 4 communication modes
according to the received signal. Always switches to DN
mode for transmission.
TX VW: Automatically selects one of the 4 communication modes
according to the received signal. Always switches to VW
mode for transmission.
AUTO: Automatically selects one of the 4 communication modes
according to the received signal.
V/D Mode
(Voice/Data simultaneous
transmission mode)
DN
Calls are less prone to interruptions due to detection and correction
of voice signals during digital voice signal transmission. This is the
standard mode for C4FM FDMA Digital.
Voice FR Mode
(Voice Full Rate Mode)
VW
High speed data communication using entire 12.5 kHz band.
Enables high-quality voice communication.
Data FR Mode (High Speed
Data Communication Mode)
DW
Digital voice data transmission using the entire 12.5 kHz band.
The transceiver automatically switches to this mode during image
transmission.
Analog FM Mode
FM
Analog communication using FM mode.
Effective when the signal is weak and audio is susceptible to
interruption in digital mode.
Caution
In V/D mode (“DN” on the LCD), position information is included in the radio wave during voice
communication, however, position information is not included in the Voice FR mode (“VW” on the LCD).
Transmitting/Receiving Signals
1
While pressing and holding , speak into the microphone.
Keep your mouth about 5 cm away from the microphone when you speak.
2
Release .
The transceiver returns to receive mode.
