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SCAN KEY
Starts and stops scanning programmed channels. Holding down this
key, scanning channels are programmed.
16/9 KEY
Immediately recalls channel 16 from any channel location. Holding
down this key recalls channel 9. When held down while pressing the
WX key, changes the mode from USA to International or Canadian.
When held down while turning the power on, microprocessor is reset
and scan channels are erased.
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SPEAKER
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LIQUID-CRYSTAL DISPLAY (LCD)
See Section 3.2 for Indicators.
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ANTENNA JACK
Connects the antenna to the transceiver. Use a marine VHF antenna
with an impedance of 50 ohms.
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DC INPUT CABLE
Connects the transceiver to a DC power supply of 13.8 V.
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EXTERNAL SPEAKER JACK
Connects an optional external speaker to the transceiver. Use a
speaker with an impedance of 4 or 8 ohms, with an RCA phono plug.
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MICROPHONE
Transmits a voice message.
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PUSH-TO-TALK (PTT) SWITCH
Activates transmission.
Owner's Manual
GX1250S Page 5