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Reference 857

Meridian Reference 857, 857 User guide

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857 USER GUIDE
ADDENDUM
Please note: The functionality of the front-panel
indicator been changed to provide additional
information relating to the status of the power
amplifier. This table supersedes the one shown on
page 6 of the User Guide.
Indicator
Status
Explanation
Blue
Standby
Fans off. Touch logo to
turn the amplifier on
after a four second
start-up period.
Green
Normal
operation
Fans off or running
slowly if internal
temperature is
65ºC - 75ºC.
Amber Normal
operation
Fans running. Internal
temperature above
75ºC.
Cyan
Standby
Fans running. Internal
temperature above
75ºC.
Red
Overheated
Outputs muted. Fans
running. The outputs
will unmute when the
amplifier has cooled
down
Blank
*
Tripped
Amplifier off, caused by
a fault, such as a
shorted output or an
input with a DC offset.
C
orrect the fault, then
reset by turning the
power at the back panel
off and then on again.
*
Touching the logo for approximately four seconds
will blank the indicator. Touch the logo for four
seconds again to re-enable it.
/