Cobalt Digital COMPASS 9033 Input Processing Analog to Digital Video - Manual (Page 87)

9033-OM (V4.0) 9033 PRODUCT MANUAL 3-49
Operating Instructions
Troubleshooting
(9033-DEC only) Dolby ® data
indicated as Present on Audio
Input Controls Status display
does not process, or cannot be
accessed as an audio source
• Input Select in Dolby
Decoder function selection
not set for pair carrying
locked Dolby
®
data
• Make certain intended channels carrying
locked Dolby
®
data are selected as the input
for the Dolby
®
decoder.
• Upstream metadata not
enabled
• Check upstream device or system and
enable as required.
Audio signal(s) do not route as
expected.
Parameter control not available
as expected.
• (9033 only) AES 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 AES signal, SRC is
automatically bypassed (disabled) along with
gain and polarity controls being 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
3-11 for more information.
• Audio Input Controls AES
Passthrough or Zero Delay
Embedding mode may
inadvertently be enabled
• When either of these modes is enabled,
flexible routing and parametric controls are
not available. When either of these modes is
not intended for use, make sure they are
disabled.
Refer to Audio Input Controls function
submenu tab on page 3-11 for more
information.
Note: Routing and parametric controls may
appear functional when either of these
mode are enabled, although the controls
will not be functional.
Audio not processed or passed
through card. • Input audio of type that
cannot be locked by 9033
card
• AES discrete 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