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Lexicon
PCM 81 User Guide
Operational Problems
The PCM 81 will not lock onto an incoming digital signal.
Check the cables that you are using. DO NOT USE ANALOG AUDIO CABLE TO
CONNECT DIGITAL AUDIO.
Also check to make sure that your input signal complies with S/PDIF format
standards. The PCM 81 will recognize AES professional format signals from an
appropriate connector, but will not necessarily read and transmit encoded
information accurately.
No Input
Analog: Check the analog input connection and make sure that the Analog Lvl
control at Control mode 0.1 is set to 100%.
Digital AES (XLR): Check connection to XLR and make sure that the Digital Lvl
control at Control mode 0.2 is set to 100%. Make sure that WordClock (Control
mode 0.0) is set to Ext: XLR 48 or 44.1.
Digital S/PDIF (Coax): Checl connection to Coax and make sure that the Digital
Lvl control at Control mode 0.2 is set to 100%. Make sure that WordClock
(Control mode 0.0) is set to Ext: XLR 48 or 44.1.
No Digital Audio Output
Check the Analog Lvl and Digital Lvl controls at Control mode 0.1 and 0.2.
No Effects Output
Check the setting of Mix Mode at Control mode 1.1. Also verify that any
controllers patched to FX Lvl, Input Level, or Mix are not turned off.
The PCM 81 performs a series of self tests each time it is powered on, then
displays the PCM 81 copyright notice. This should be followed by the display and
loading of the last loaded effect. If this sequence does not occur, contact Lexicon
Customer Service.
Power On Behavior
Summary of Contents for PCM 81 - REV
Page 1: ...User Guide Digital Effects Processor PCM 81...
Page 3: ...User Guide Digital Effects Processor PCM 81...
Page 12: ...1 1 Product Overview 1 Product Overview Block Diagram...
Page 21: ...Lexicon PCM 81 User Guide 1 10...
Page 72: ...3 11 The Algorithms and Their Parameters Chorus Rvb cont d...
Page 74: ...3 13 The Algorithms and Their Parameters M Band Rvb cont d...
Page 102: ...3 41 The Algorithms and Their Parameters...
Page 106: ...3 45 The Algorithms and Their Parameters...
Page 108: ...3 47 The Algorithms and Their Parameters...
Page 157: ...Lexicon 4 30 PCM 81 User Guide...
Page 167: ...Lexicon 5 10 PCM 81 User Guide...