Raymarine C90w - Manual (Page 62)

Problem Possible causes Possible solutions
The bearing of a target
on the radar screen is
incorrect. The radar bearing
alignment requires
correcting. Check and adjust radar
bearing alignment.
6.4 GPS troubleshooting
Problems with the GPS and their possible causes and solutions
are described here.
Problem Possible causes Possible solutions
Geographic location or
prevailing conditions
preventing satellite fix. Check periodically to
see if a fix is obtained
in better conditions or
another geographic
location.
External GPS antenna
conflict with internal
GPS. Disable internal GPS
from within the setup
menus.
Internal GPS antenna
has been disabled. Enable internal GPS
from within the setup
menus.
External GPS
connection fault. Ensure that GPS
connections and cabling
are correct and fault
free..
Unit mounted in poor
location.
For example:
• Below decks on Steel
construction vessel.
• Close proximity
to transmitting
equipment such as
VHF radio.
Ensure that the unit is
mounted in accordance
with the instructions.
External GPS antenna in Ensure GPS antenna
“No Fix” GPS status
icon is displayed.
62 C-Series Widescreen installation