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Operating instructions, Troubleshooting – Sierra Video UPC-166 User Manual

Page 121

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Operating Instructions

Troubleshooting

Table 3-4

Troubleshooting Processing Errors by Symptom

— continued

not intended for use, make sure they are

(in accordance with SMPTE 337M) is

3-77

UPC-166-OM
(V4.0)

Symptom

Error/Condition

Corrective Action

Audio signal(s) do not route as
expected.

Parameter control not available
as expected.

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

disabled.

Refer to Audio Input Controls function
submenu tab on page 3-18 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.

• Embedded or AES audio

contains Dolby

®

E or Dolby

Digital encoded signal

• When a valid Dolby

®

E or Dolby Digital signal

detected on an AES or embedded audio
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 3-18
for more information.

Audio not processed or passed
through card.

• Input audio of type that

cannot be locked by UPC-
166 card

• AES discrete and 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,

Professiona

l‖ 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.