GX1270S
Owner’s Manual
page 48
MEM Indicator
The channel is in the transceiver’s scan memory.
H/L Indicator
“H” is high power. “L” is low power. Blank is a reception only channel.
SQL/VOL Indicator
“SQL” is squelch adjusting mode. “VOL” is volume adjusting mode.
8.3 INTERCOM OPERATION
8.3.1
Communication
1. Press the
IC
key while in radio mode, the mode is then changed to
INTERCOM mode. If the
IC
key is pressed again the mode will
revert to radio mode.
2. “IC” is displayed on both the transceiver and the RAM Mic when the
intercom operation is activated.
3. Press the
PTT
switch. The “TX” indicator is displayed.
NOTE
A warning beep is emitted when the RAM Mic
PTT
switch is pressed
while the transceiver microphone’s
PTT
switch is pressed.
4. Speak slowly and clearly into the microphone, hold the microphone
about 1/2 inch away from your mouth.
5. When finished, release the
PTT
switch.
8.3.2
Calling
1. Hold down the
IC
key in the intercom operation for 1 second or
more. A calling beep is emitted twice from the transceiver speaker.
16/9
WX
A/B
SCAN
IC
H/L
MIC
LAMP
CALL
SUBMERSIBLE
Horizon
RAM mic
SQ
L
EXTERNAL
SPEAKER
RAM Mic
NOTE:
If the RAM Mic is connected to
the transceiver, the external
speaker volume is controlled
by the RAM Mic. If the RAM
Mic is not connected to the
transceiver, the external
speaker volume is controlled
by the radio.
Figure 6. Intercom operation
