Speaker (Zone) Selector Switches
These 6 black buttons are for switching the 100 volt output of the amplifier to any combination of the 6
available speaker zones. The switches are “push on-push off” and are non-interlocking (both with each
other and with the all-call button). The maximum capacity of each speaker zone is 60 watts so care should
be taken to ensure that no individual zone is loaded down with any more than 60 watts, always
remembering that the total load for the AMIS60 is 60 watts and for the AMIS120, 120 watts in total. Eg; it
is possible on the AMIS120 to safely have one zone loaded with 60 watts and the remaining five loaded
with 12 watts each.
Power Switch
This switch controls the switching of AC power to the amplifier. Rocking this switch upwards turns ‘on’
AC power to the amplifier while rocking the switch downwards turns power ‘off’ to the amplifier. A blue
LED above the switch will indicate whether the amplifier is switched ‘on’ or ‘off’. This will not switch DC
power ‘on’ or ‘off’ in DC operation. In DC operation mode, the amplifier is always ‘on’.
Rear Panel Features
(AMIS60 shown. The AMIS120 has identical rear panel features)
230V/240V Slide Switch
The operating voltage of the amplifier is user selectable between 230V and 240V via a slide switch located
on the top left side of the rear panel. This switch should be set to match the AC voltage of your country.
AC Power Inlet
The 3 pin IEC power inlet is located on the bottom left of the rear panel and accepts a standard mains
power lead fitted with an IEC connector. Before plugging in a power lead, please check the rear panel of
the amplifier to ensure that the voltage switch is set correctly for your part of the world.
The operating voltage is 230/240 VAC @ 50 Hz. The inlet is equipped with an inbuilt AC fuse holder fitted
with a 4 amp fuse (ACM120) or a 2 amp fuse (ACM60) plus a spare within the holder. Power
consumption is 125 VA for the AMIS60 and 250 VA the AMIS120.
---- Please ensure that the mains power cord is disconnected before attempting to check or replace
this fuse----
24 Volt DC Power Inlet
The AMIS60 & AMIS120 feature optional 24VDC power to run off a battery supply if required. This is
connected via the rear terminal strip. The front panel Power Switch will not switch DC power ‘on’ or ‘off’
in DC operation. In this mode the amplifier is always ‘on’.
(2 pages)
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