Cobalt Digital COMPASS 9381 HD_SD-SDI Timecode Inserter - Manual (Page 65)

9381-OM (V4.3) 9381 PRODUCT MANUAL 3-37
Operating Instructions
Troubleshooting
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
Controls 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 embedded
channels with new data; same-channel
embedded output will no longer represent
same-channel embedded inputs for selected
channels.
Audio not processed or passed
through card. • Input audio of type that
cannot be locked by 9381
card
• Embedded audio must be nominal 48 kHz
input.
Note: Although the Status Displays in Audio Input
Controls function submenu tab will show
audio formats other than “Present,
Professional” as being locked (such as
“Present, Consumer”), in any case the
audio must be at nominal 48 kHz rate for
lock and processing to occur.
• Enable control not turned on • Group Enable button for Embedded Audio
Group 1/2 or Embedded Audio Group 3/4
function submenu must be turned on for
sources to be embedded into respective
embedded channels.
Table 3-4 Troubleshooting Processing Errors by Symptom — continued
Symptom Error/Condition Corrective Action