Selecting The Communication Mode - Yaesu FTM-7250DR Operating Manual

Basic Operation

Selecting the communication mode

The FTM-7250DR transceiver is equipped with the AMS (Automatic Mode Select) func-
tion which automatically selects from two modes of transmission corresponding to the
signal being received.
The transmit mode is selected according to the received signal so that C4FM digital sig-
nals, and analog signals are received and transmitted automatically.
Press [ MODE ( DG-ID )] key to display "
To operate in fixed communication mode, press
[ MODE ( DG-ID )] key to switch the communication
mode.
Each time [ MODE ( DG-ID )] key is pressed, the com-
munication mode changes in the following order:
à AMS (" " blinks) à V/D (DN) ("
Communication mode
AMS (Automatic Mode Select)
V/D (DN) Mode
(Voice/Data simultaneous
transmission mode)
Voice FR (VW) Mode ø
(Voice Full Rate mode)
Analog FM Mode
: When the Setup Menu item "DIG VW 13" is set to "ON" (factory default is "OFF"), the
ø
Voice FR (VW) may be selected.
14
" (blinks) icon on the screen.
AMS transmission mode
Display example when in AMS mode
" lights up) à
à VW
ø
Icon
Transmit mode is automatically selected from 3
types according to the signal received.
The AMS function operation can be changed
from the Setup menu setting. See "Setting the
(blinks)
transmit mode when using the AMS function
(DIG AMS 12)" on 39
Calls are less prone to interruptions due to de-
tection and correction of voice signals during
digital voice signal transmission.
standard mode for C4FM Digital.
(light up)
High speed data communication using entire
12.5 kHz band. Enables high-quality voice com-
munication.
Analog communication using FM mode.
no icon Effective when the signal is weak and audio is
susceptible to interruption in digital mode.
(" " lights up) à FM (no icon) à
Description of modes
This is the