NorthStar 6000i, Руководство по установке

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SECTION SEVEN: Troubleshooting and servicing the 6000i system
Page 46 6000i Installation Manual, Rev. G
DISPLAY
•
The 6000i powers up, beeps, but there
isn’t any video.
•
Input voltage may be too low.
•
The display may have failed. Call your
Northstar dealer or the Northstar Ser-
vice Department.
•
The display screen dims after the 6000i
has been on for a certain time.
•
The 6000i may be going into
auto-dimming mode. Auto-dimming
helps maintain the integrity of the dis-
play and reduces power consumption
when the 6000i is on and running too
hot for its current environment.
•
Color bars appear where the video
overlay image should be.
•
Check the video cables and the con-
nectors.
•
Check that the video equipment is
working properly.
If . . . Then . . .
Satellite signals are often lost, or the
unit works while you’re travelling in
one direction, but not the opposite
one. The antenna may be partially shaded by metallic objects
around it. Re-position or raise the antenna away from the
object for a better satellite view.
Signals may be lost when the antenna is under a bridge or
when shielded by buildings.
Poor SNR readings are obtained
even after running the 6000i for
several minutes Check the quality of the antenna location—the antenna
should have a clear view of the sky. For the correct antenna
placement, see Figure 8 on page 14.
Make sure the antenna is clean, and not covered with ice,
snow, or exhaust soot.
You’re having difficulty obtaining
WAAS satellites Check that WAAS is available in your operating area.
Reset the 6000i’s satellite elevation setting to its default (5
degrees).
Check that the 6000i’s DIFFERENTIAL OPTIONS option is set
to WAAS.
Problem Area Symptom Possible Solutions/Reasons