Abbingdon Music Research Compact Disk Processor CD-77 - Manual (Page 32)

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3e. OptiMains® Protection for Excessive Under/Over-Voltages
The CD-77 is fitted with the OptiMains® system to condition and adjust the incoming mains supply for the best
operation under all normal mains conditions (including situations that will cause audible problems without Opti-
Mains®).
With almost every country throughout the world, instances inevitably arise where fluctuations in the main elec-
tricity exceeds that of a correctly operating mains supply and any electrical item/product is no longer properly
served. In the case of extreme power surges, brown outs or other exceptional/unexpected conditions that ex-
ceed the safety margins, the OptiMains® system will automatically switch off the mains power to the internal
parts of equipment to prevent any damage from occuring.
If the display reads:
A C V o l t a g e O u t s i d e
O p e r a t i n g R a n g e !
Power OFF the AMR component and wait at least 5 minutes. If and when the mains electricity has been
deemed to have returned to normal (such as during a brown out and the lights have dimmed but have returned to
normal brightness) then power up your AMR component as per the manual’s instructions.
In the event there
are excessive
mains fluctua-
tions...
...OptiMains®
will detect and
protect