14
Troubleshooting
Custom installation (C.I.) use
The 851D features a Control Bus input/output that allow un-modulated
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electrically by the unit and looped to another unit if desired. These
control commands are typically generated by custom installation (multi-
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are colour-coded orange.
An IR Emitter Input is also provided that allows modulated IR remote
control commands to be received electrically by the unit. Commands on
this input operate the unit only and are not looped out demodulated on
the Control Bus Output.
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by C.I. systems.
In addition the units feature 'direct' IR/Control codes as well as toggle
codes for some of their features to simplify programming custom
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accessed on the supplied remote control for teaching into C.I. systems
as follows:
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command is generated.
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“Mute on” command will be generated. If the button is kept held down
for a further 12 seconds, a “Mute off” command is generated.
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Cambridge Audio website: www.cambridge-audio.com
The 851D is a complex product but even so, should things seem not
quite right, the answer is very often a simple one.
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Ensure the AC power cord is connected securely.
Ensure the plug is fully inserted into the wall socket and is switched on.
Check fuse in the mains plug or adaptor.
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Check that the interconnects are inserted correctly.
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Ensure that all cable connections are secure.
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Check that the batteries have not expired.
Ensure that nothing is blocking the remote sensor.
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information on getting the most out of your 851D, please visit the
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For all servicing, in or out of warranty, please contact your dealer.