Icom M803 Instruction Manual - Page 11

Main unit rear panel, DSC ANTENNA CONNECTOR p. 70

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■■Main unit rear panel 1 2 3 4 PANEL DESCRIPTION 2 5 2 1 TUNER CONTROL SOCKET (pp. 70, 71, 78) Connects to the control cable of the supplied AT-140 hf automatic antenna tuner. A female connector kit is supplied to connect the AT-140. 2 GROUND TERMINAL (p. 71) Connects to the vessel's ground. 3 ANTENNA CONNECTOR (p. 70, 71) Connects to a dipole antenna, or an automatic antenna tuner through a 50 Ω PL-259 coax for transmitting any calls and receiving any calls, other than Distress calls. RRWARNING! NEVER connect the antenna directly to this connector. 4 DSC ANTENNA CONNECTOR (p. 70, 71) Connects to a 50 Ω HF marine band antenna through a 50 Ω PL-259 coax for a DSC receiver. This antenna is used for receiving Distress calls. NOTE: To receive a Distress call, BE SURE to connect an HF marine band antenna to this antenna connector. Otherwise, you cannot receive any Distress calls. 5 DC POWER SOCKET (p. 70, 78) Connects to 13.6 V DC through the supplied DC power cable. 3

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3
PANEL DESCRIPTION
2
2
1
TUNER CONTROL SOCKET (pp. 70, 71, 78)
Connects to the control cable of the supplied
AT-140
¶» ¹Uº´M¹º±² ¹·º¸··¹ ºU·¸³
. A female
connector kit is supplied to connect the AT-140.
2
GROUND TERMINAL (p. 71)
Connects to the vessel’s ground.
3
ANTENNA CONNECTOR (p. 70, 71)
Connects to a dipole antenna, or an automatic
antenna tuner through a 50 Ω PL-259 coax for
transmitting any calls and receiving any calls, other
than Distress calls.
R
WARNING! NEVER
connect the antenna
directly to this connector.
4
DSC ANTENNA CONNECTOR (p. 70, 71)
Connects to a 50 Ω HF marine band antenna
through a 50 Ω PL-259 coax for a D¼C receiver.
This antenna is used for receiving Distress calls.
NOTE:
To receive a Distress call,
BE SURE
to connect an HF marine band antenna to this
antenna connector. Otherwise, you cannot receive
any Distress calls.
5
DC POWER SOCKET (p. 70, 78)
Connects to 13.6 V DC through the supplied DC
power cable.
■
Main unit rear panel
1
2
3
4
5