Installation and Operation Manual
61
5-5 GPS antenna
Selecting an antenna
Fit one of these GPS antennas:
5-5-1 Internal antenna
The 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.
5-5-3 The antenna using NMEA
The chart plotter can receive the GPS data
from the compatible device (NMEA). The
chart plotter can connect several devices to
an external GPS.
• An optional differential beacon DGPS
antenna to give enhanced accuracy within
range of land based differential beacons in
areas where WAAS or EGNOS are not
available. Such a DGPS antenna has both a
GPS receiver and a beacon receiver, and it
automatically applies the beacon correction
to the GPS position.
To set the DGPS options(None or
WAAS/EGNOS):
Connect the GPS directly to the input. Set the
option. The new setting will be displayed if it
was successfully applied.
Note:
The chart plotter can apply the WAAS and
EGNOS DGPS corrections to any GPS
antenna.
For more information, contact Samyung ENC.
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