Omicron CMGPS, Справочное руководство

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GPS Syncronization Unit CMGPS
42
Table 7-3:
Faults, possible causes
and elimination - III
Table 7-4:
Faults, possible causes
and elimination - IV
Fault Possible cause Remedy
LED "Searching/Locked"
has been flashing for
approx. 20 minutes,
CMGPS cannot be
successfully locked to
the GPS signal (TTFF
considerably exceeded). Cable connection
antenna
⇔
CMGPS
defective.
Check screwed fittings
and contact quality of the
coaxial cable at each
connection.
Position of antenna
inappropriate. Place antenna in a more
exposed location that
provides sufficient open
sky.
Antenna or antenna
cable defective. Replace defective
component.
Malfunction of the
CMGPS.
Please contact the
OMICRON Technical
Support (see ”Contact
Information / Technical
Support” on page 45).
Fault Possible cause Remedy
LED "Searching/Locked"
is lit, CMGPS is locked
to the GPS signal, but
there is no
synchronization pulse. Timing parameter for
putting out the
synchronization pulse is
set wrong or too long. Check the settings by
means of the software. If
necessary change
settings.
Malfunction of the
CMGPS.
Please contact the
OMICRON Technical
Support (see ”Contact
Information / Technical
Support” on page 45).