Yaesu FTM-400DR Operating Manual page 175

Touch
mode
The transmit mode switches between "DIGI Normal"
and "Voice Wide" each time the symbol is touched.
DIGI Normal: Normal digital communication mode.
Communication will not be easily
interrupted, even when the signal
strength is low.
Voice Wide: Full-rate high-quality sound mode.
This transmit mode is useful when the
emphasis is on sound quality and the
communications partner has relatively
good reception
Tip Factory default value: DIGI Normal
5
Press for one second or longer
The transmit mode will be set and the display will return to the previous screen.
The squelch type in the digital mode can be set.
1
Press for one second or longer
The set-up menu will be displayed.
2
Touch
3
Touch
to select the transmit
175