Cobalt Digital COMPASS 9822 Downconverter - Manual (Page 83)

9822-OM (V4.1) 9822 PRODUCT MANUAL 3-51
Operating Instructions
Troubleshooting
DashBoard™ shows
Framesync Status error
message in 9822 Framesync
function submenu screen. Specified Minimum Latency
Frames setting exceeds 9822
card buffer space for the
selected output video format Reduce the Minimum Latency Frames setting
as specified in the error message to correct
the error.
Note: Due to card memory limits, the maximum
available Minimum Latency Frames is
related to the output video format.
For example, with a 525i 59.94 output, the
practical maximum limit is 13.
DashBoard™ shows Output
Status error message in 9822
Timecode function submenu
screen. Timecode not available due to
lack of appropriate input
timecode data Timecode output requires that source and
priority are appropriately selected. Also, video
input must contain appropriate timecode data
and framesync reference.
Refer to Timecode function submenu tab on
page 3-34 for more information.
Video/audio synchronization or
delay noted. Source synchronization
condition Use the Audio Offset from Video control to
compensate for video/audio delay.
Refer to Framesync function submenu tab on
page 3-23 for more information.
Ancillary data (closed captioning,
timecode, Dolby
® metadata,
AFD) not transferred through
9822.
• Control(s) not enabled • Make certain respective control is set to On
or Enabled (as appropriate).
• VANC line number conflict
between two or more
ancillary data items
• Make certain each ancillary data item to be
passed is assigned a unique line number
(see Ancillary Data Line Number Locations
and Ranges on page 3-8).
Audio signal(s) do not route as
expected.
Parameter control not available
as expected.
• Embedded audio contains
Dolby ® E or Dolby Digital
encoded signal
• When a valid Dolby ® E or Dolby Digital
signal (in accordance with SMPTE 337M) is
detected on an embedded audio signal, gain
and polarity controls for the channel are
bypassed (even though controls may appear
to be functional). Gain and polarity controls
are not available for this signal type.
Refer to Status displays in Audio Input
Status function submenu tab on page 3-10
for more information.
• Upmixer inadvertently
enabled (Upmixer Licensed
Feature Only)
• Make certain upmixer is set to Bypass if not
intended for use.
Note: When manually enabled or set for
automatic enable with appropriate signal
levels, upmixer overwrites selected
channels with new data; same-channel
output will no longer represent
same-channel inputs for selected channels.
Table 3-4 Troubleshooting Processing Errors by Symptom — continued
Symptom Error/Condition Corrective Action