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Operating instructions – Cobalt Digital COMPASS 9305 Embedded Audio Delay Processor User Manual

Page 61

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9305-OM (V4.1)

9305 PRODUCT MANUAL

3-35

Operating Instructions

Troubleshooting

Audio signal(s) do not route
as expected.

Parameter control not
available as expected.

Audio Input Controls

Apply Audio Unity
Settings may have
inadvertently been applied

• Recheck settings and re-apply routing as

desired.

Refer to Audio Input Controls function
submenu tab on page 3-10 for more
information.

• Embedded audio contains

Dolby

®

E or Dolby Digital

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 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 channels with new data;
same-channel output will no longer
represent same-channel inputs for
selected channels.

• Group(s) and/or channels

not enabled

• In

Embedded Audio Group 1/2 and

Embedded Audio Group 3/4

functions,

make certain Group Enable controls are
set to On as intended.

Also make certain individual channel
Unmuted/Muted controls are set to
Unmuted as intended.

Audio not processed or
passed through card.

Input audio of type that
cannot be locked by 9305
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.

Table 3-4

Troubleshooting Processing Errors by Symptom — continued

Symptom

Error/Condition

Corrective Action