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A90/P90
10
A90/P90
11
English
POWER (and power indicator light)
Switches the unit on and off. The light indicates the status of the
amplier.
When you switch your amplier on, the light glows amber for a
few seconds, during which time the speakers are disconnected.
The light changes to green when the amplier is ready for use.
A red light means the amplier is in standby mode.
The power light may ash if a fault has occurred, with the colour
of the ashing light indicating the nature of the fault:
green – a D.C. offset fault has occured
amber – a thermal fault has occured (the amplier is too
hot)
red – a short circuit fault has occured (this can happen if
the speaker cables are not connected correctly and are
making contact with each other or with the chassis)
red and amber – more than one fault has occured.
Except for a thermal fault, if one of the above faults is detected
by your amplier the unit waits for six seconds before checking
to see if the fault has cleared. If the fault clears within six
seconds, then the unit continues operation; otherwise the unit
shuts itself down. In the case of a thermal fault, the unit waits
until its sensor temperature lowers before resuming operation.
If the amplier has shut itself down, you should unplug the
amplier and leave it for a few minutes before reconnecting. If
the fault cannot be cleared, unplug your amplier and contact
your Arcam dealer.
Using your P90 power amplier
POWER
P90 POWER AMPLIFIER
POWER
SP1 SP2 POWER
NOTE: If both lights are out the amplier will appear not to
work, as all speakers are switched off.
SP1 and SP2
These buttons allow you to select and deselect the main
(SP1) and secondary (SP2) sets of speakers attached to your
amplier. An indicator light shows which set of speakers are
currently selected.