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Installation and Operation Manual
57
5-4 Alarm
• Wire the AdvanSea chart plotter for any external alarm beepers or lights as below picture.
• The output from the unit to external alarm is maximum 30V DC 200mA. It is needed to fit a
suitable relay.
5-5 GPS antenna
Selecting an antenna
Fit one of these GPS antennas:
5-5-1 Internal antenna
The AdvanSea chart plotter is supplied with internal antenna to be able to use it without signal
input. The cart plotter have a internal GPS antenna, you can use it without the input of the
external signal.
5-5-2 External antenna
Reception of internal GPS antenna is affected
by the location to be installed the display
unit. If GPS signal is weak or to receive
enhanced GPS signal, you can connect
external GPS antenna to the unit. The
connector is BNC type.
Installing a external antenna
If an external antenna is required, install the
antenna and fit the antenna cable back to
the display unit. Follow the instructions in the
manual supplied with the antenna. Fit an
optional extension cable if required.
During setup, configure the data for the
chosen antenna.