Standard Horizon GX1280S - page 22

GX1280SPage 22
ACCESSORY CONNECTION CABLE
Connects the MATRIX to a GPS, and an external speaker. See section 3
OPTIONS for a list of speakers STANDARD HORIZON offers.
DC INPUT CABLE
Connects the radio to a DC power supply capable of delivering 12V DC.
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 trans-
ceiver is in the intercom operation mode (between the RAM+ and the
MATRIX), it activates the MATRIX microphone for voice communica-
tions.
MICROPHONE
Transmits the voice message with reduction of background noise.
MICROPHONE SPEAKER
The same audio heard through internal radio speaker is heard through
microphone 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 loca-
tion. 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.