Standard Horizon QUANTUM Series GX3500S, Руководство пользователя

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Page 23 GX3500S
[
F
] Key
Press the [ F
] key to activate the “Alternate” key function.
[
DISTRESS
] Key
Used to send a DSC Distress Call. To send the distress call refer to section
“
11.3.1 (Transmitting A DSC Distress Call) .”
ACCESSORY CONNECTION CABLE
Connects the GX3500S to a GPS, a PA speaker, and an external speaker.
DC INPUT CABLE
Connects the radio to a DC power supply capable of delivering 12V DC.
REMOTE MIC CONNECTORS
Connects the GX3500S to the enhanced RAM+ MIC (Remote Access Mi-
crophone) or the VH-310 Handset. Refer to section “ 13 ENHANCED RAM+
MIC OPERATION ” or “ 14 VH-310 HEADSET OPERATION ” for details.
ANTENNA JACK
Connects an antenna to the transceiver. Use a marine VHF antenna with
an impedance of 50 ohms.
PTT (Push-To-Talk) SWITCH
Keys the transmitter when the transceiver is in radio mode. If the transceiver
is in the intercom operation mode (between the RAM+ (or
VH-310 Headset)
and the GX3500S ), or PA mode, it activates the GX3500S microphone for
voice communications.
MICROPHONE
Transmits the voice message with reduction of background noise, using
Clear Voice Noise Reduction Technology.
MICROPHONE SPEAKER
The audio heard through internal radio speaker is heard through micro-
phone speaker.
[
UP
( )] / [
DOWN
( )]
KEYS
The [ UP
( )] and [
DOWN
( )] on the microphone function the same as the
CHANNEL selector knob on the front panel of the transceiver.
[
16/9
] Key
Pressing the [ 16/9
] key immediately recalls channel 16 from any location.
Press and hold the [ 16/9
] key to recall channel 9. Pressing the [
16/9
] key
again will revert the radio to the previous selected channel.