GRASS VALLEY Profile XP PVS1000, Руководство по обслуживанию

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Chapter 5 Troubleshooting timecode problems
52 Profile XP Service Manual 23 July 2004
Checking NetCentral messages
This table of NetCentral messages lists the message issued by the NetCentral system
in response to timecode problems.
Correcting common timecode problems
This troubleshooting aid provides corrective action for some common timecode
problems. Search the table for the problem you are experiencing, then try the
corrective action. Some problems have more than one corrective action.VITC Record
The System Guide referred to in the tables in this chapter is the Profile XP System
Guide.
Problem Possible Causes Corrective Action
The Profile has detected
frequent VITC read errors (more
than 10 times an hour) on its SDI
input on slot N. Bad signal on video input. • Check the SDI video
input(s) for bad signal
sources or cabling.
• Replace the SDI board.
• Call support.
Problem Possible Causes Corrective Action
VITC:
Incorrect recorded timecode. VITC reader is set to automatic
and there are two sets of VITC
in the VBI. Use manual VITC detection and
specify lines where VITC
should be read. Refer to
“Recording VITC” in the
Profile XP System Guide.
VITC:
Incorrect or no recorded
timecode. The VITC reader is set to
manual and there are two sets of
VITC in the VBI and the wrong
VITC lines may be specified. Verify location of VITC signals
and set up manual VITC
detection accordingly. Refer to
“Recording VITC” in the
Profile XP System Guide.
VITC:
Can’t read or record VITC. VITC detection is set to manual
and the wrong VITC lines are
specified Set VITC detect to Automatic or
verify location of VITC signals
and set up manual VITC
detection accordingly. Refer to
“Recording VITC” in the
Profile XP System Guide.
VITC:
The VITC output I want to use is
not listed in the Timecode
Output list. You have not assigned the
corresponding video output to
the channel. Assign the video output you
want to use to the channel. Refer
to “Changing the video I/Os
used by a channel” in the
Profile XP System Guide