13
7.2 MICROPHONE
①
②
③
④
⑤
⑥
PTT
(Push-To-Talk) switch
When in radio mode and the
PTT
switch is pressed, the transmitter is
enabled for voice communications to another vessel.
When an optional
SSM-70H
Microphone or
SSM-72H
Wireless Microphone
is connected and intercom mode is selected, pressing the
PTT
switch
enables voice communications from the transceiver to the
SSM-70H
Micro-
phone or the
SSM-72H
Wireless Microphone.
▲ & ▼ key
These keys on the microphone are used to select channels and to choose
menu items.
16/S key
Pressing this key immediately selects channel 16 from any channel location.
Holding down this key selects the Sub channel (The default SUB channel
setting is channel 9). Pressing this key again reverts to the previous selected
working channel.
H/L key
Press this key to toggle between 25 W (High) and 1 W (Low) power. When
the TX output power is set to “Low” and the transceiver is on channel 13 or
67 (USA Channel group only), the output power will temporarily switch from
“Low” to “High” power until the
PTT
switch of the microphone is released. High
power TX is not available on transmit inhibited and low power only channels.
Содержание GX2400GPS
Страница 146: ......