Testing And Troubleshooting The 951/952; Table 2: Troubleshooting The Installation - NorthStar 951X Installation Manual

Turning the unit off

Testing and troubleshooting the 951/952

Installation-test
Troubleshooting
Problem Area
POWER
DISPLAY
951/952 INSTALLATION MANUAL Revision B
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'*36 ,1)2 menu key to view the DGPS STATUS screen (as shown at
right below).
To shut off the unit, press and hold the 3:5 key for approximately four
seconds until the screen goes dark.
To test the system after installation, first apply power to the unit and con-
firm power is on with no errors. Next, check for the presence of GPS and
checklist
DGPS signals. Review the chart-plotter function: With the chart cartridge
inserted, confirm that the chart map is displayed.
Typical problems you may encounter either during or after the installa-
tion process are outlined in the following tables: Table 2, "Troubleshoot-
common
ing the installation," on page 31 below, and Table 3, "Troubleshooting the
installation
GPS/DGPS antenna installation," on page 35.
problems

Table 2: Troubleshooting the installation

Symptom
3:5
Pressing the
unit.
The unit powers up, beeps, and the back-
light can be operated up and down, but
there isn't any video.
manuals search engine
Possible Solutions/Reasons
key doesn't start the •
•
SECTION TWO - Installing the unit
Check the fuse and the power to the
unit.
If a 951, try adjusting the contrast by
$552:
pressing the key. If a 952,
the display may have failed (the 952's
$552:
key adjusts only bright-
ness, not contrast). Call your North-
star dealer or the Northstar Service
Department.
Page 31