25
Transmission (COM Band)
To transmit, press and hold
the
PTT
switch. Speak into
the microphone area of the
front panel grille in a normal
voice level.
The “
” icon, which
indicates that the
FTA-850L
are in the transmit mode,
appears on the display.
To return to the receive mode, release the
PTT
switch.
Operating Advice: Use of Internal Microphone
Your
FTA-850L
are sealed
against water ingress, which
includes waterproof seals
around the microphone and
speaker enclosure. This re-
quires that you focus your
speech in the direction of the
microphone’s location, so as to
ensure sufficient voice input to
the radio. Refer to the illustra-
tion and observe the location of
the internal microphone.
If you find it difficult to utilize the
FTA-850L
conve-
niently and safely while speaking directly into the
microphone, we recommend the use of the
SSM-20A
Speaker/Microphone (option), the
SSM-BT10
Blue-
tooth
®
Headset (option), or an aftermarket aviation
headset with boom microphone.
Operation Bands
When the
FTA-850L
are turned on for the first time,
it enters the COMM mode and displays the COM
band screen. The COMM mode is the basic opera-
tion mode of the
FTA-850L
that allows you to tune
through either of the NAV and COM bands using the
DIAL knob or the keypad.