GRASS VALLEY PROFILE XP PVS Series, System Manual

Page: 294 / 352

Chapter 12 Solving Common Setup Problems
294
Profile XP System Guide 23 July 2004
Problems with timecode
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
Problem Possible Cause(s) 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” on page 219.
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” on page 219.
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” on page 219.
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 “Selecting the video I/Os used
by a channel” on page 157
VITC:
Incorrect VITC timecode on the
video output. There may be two sets of VITC
on the video output and the
external reader is reading the
wrong timecode signal. Two
VITC signals can occur when
there is VITC on the video input
or playback signal and at the
same time, the video output is
generating VITC. Erase the VITC signal on the
video output (refer to “Erasing
video input VBI information”
on page 173) or turn off the
VITC generator on the output
(refer to “Setting up the VITC
generator on a video output” on
page 227 and choose “Do not
generate VITC”).
VITC:
Two sets of VITC signals are
present on the output. There may be two sets of VITC
because there is VITC on the
video input or playback signal
and also the video output is
generating VITC. Erase the VITC signal on the
video output (refer to “Deleting
unwanted VITC and other VBI
signals” on page 228) or turn off
the VITC generator on the
output (refer to “Setting up the
VITC generator on a video
output” on page 227 and choose
“Do not generate VITC”).
Recorded timecode reads
xx.xx.xx.xx. No timecode source for the
channel. Select a timecode source. Refer
to “Selecting timecode I/O for
each timecode track” on page
142. This is normal in Profile
Applications when there is no
clip cued.