39
Basic Operations
Receiving
3
Press
.
The display switches to VFO mode and returns to the previous receive frequency.
Selecting communication mode
The FTM-100DR/DE transceiver is equipped with the AMS (Automatic Mode Select)
function which automatically selects from 4 modes of transmission corresponding to the
signal being received.
The transmit mode is selected according to the received signal so that C4FM digital
signals, and analog signals are received and transmitted automatically.
Press
to display “
▀
○○
*” on the screen.
*The display differs depending on the received signal.
Display example when in AMS mode
To operate in fixed communication mode, press
to switch the communication mode.
Each time
is pressed, the communication mode changes in the following order:
“
(AMS)”→“DN (V/D mode)”→“VW/DW (FR mode)”→“FM (analog)”
Operation mode
Icon
Description of modes
AMS
(Automatic Mode Select)
▀
○○
Transmission mode is automatically selected from 4 types according
to the signal received.
(“○○” icon differs depending on the received signal.)
The AMS function operation can be changed from the Setup menu
setting. See “Setting the transmission mode when using the AMS
function (3 AMS TX MODE)” on page 125.
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 Digital.
Voice FR Mode
(Voice Full Rate Mode)
VW
Digital voice data transmission using the entire 12.5 kHz band.
Enables high-quality voice communication.
Data FR Mode
(High Speed Data
Communication Mode)
DW
High speed data communication 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.
Cautions
z
In V/D mode (“DN” on the screen), location information is included in the transmitted signal during
voice communication, however, location information is not included with the Voice in the FR mode
(“VW” on the LCD).
