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GX5500S
Microphone
When spoken into transmits your voice with reduction of background
noise, using Clear Voice Noise Reduction Technology.
NOTE
Be sure your mouth is about 1/2 inch (1.3 cm) from the mic hole
for best performance.
Microphone Speaker
The same audio heard through internal radio speaker is heard from here.
/
(Down / Up) Keys
The /
keys on the microphone are used to select channels and to
choose menu items (such as the DSC menu, Radio Setup and DSC
Setup menu).
9
16
Key
The
9
16
key on the microphone functions the same as the
16/9
key on the
front panel of the transceiver.
Immediately recalls Channel 16 from any channel location. Pressing and
holding this key recalls Channel 9. Pressing the
9
16
key again reverts to
the previously selected working channel.
7.3 MICROPHONE
PTT (Push-To-Talk) Switch
When in radio mode and the
PTT
switch pressed, the transmitter
is enabled for voice communica-
tions to another vessel.
When an optional
RAM3
second
station microphone is connected
and intercom mode is selected,
pressing the
PTT
switch enables
voice communications from the
GX5500S
to the
RAM3
second
station microphone.