Lighthouse a125, Installation And Operation Instructions Manual

Page: 69 / 460

4.15 GA150 connection
a9x and a12x MFDs include an internal GNSS (GPS
/ GLONASS) receiver. The GA150 antenna can
be used to improve the GNSS (GPS / GLONASS)
receiver’s reception.
D13069-1
2 1
1. GA150 antenna
2. a9x or a12x variant MFD
For installation details for your external antenna,
refer to the documentation that accompanied the
antenna.
Note:
• The Beidou GNSS is supported but not currently
available.
• A GA150 must be connected in order to receive
the Beidou system when it becomes available.
• A software update will be required to add
support for Beidou once the system is available.
Please check with your Raymarine dealer for
further details.
Antenna cable length
The GA150 is supplied with a fitted 10 m (33 ft.)
cable. The length of the antenna cable can be
extended if required.
The antenna cable length can be extended by up to
10 m (33 ft.) giving a total maximum cable length
of 20 m (66 ft.)
50 ohm coaxial cable and reliable connectors
(offering protection against water ingress) must be
used when extending the antenna cable.
Note: Extending the cable length by more than
the recommended maximum length will result in
signal degradation.
Connecting an external antenna
Follow the steps below to connect the GA150
external antenna to your a9x or a12x variant MFD.
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3
2
4
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1. Fully insert the antenna’s cable connector into
the GA150 connector on the rear of your display.
2. Turn the locking collar clockwise until TIGHT .
3. Push to protective boot over the connection on
the back of the display.
4. Use the supplied cable tie to secure the protective
boot over the connection.
Cables and connections 69