Front Panel Features
(AMIS60 shown. The AMIS120 has identical front panel features)
Microphone/Line Level Controls
The AMIS60/120 features 4 universal mic/line input controls labeled Ch 1 through to Ch 4 and should be
adjusted to provide the required level mix for each individual channel. Start with the controls set to level
‘0’ and turn the controls clockwise until the desired mix level for each channel is reached.
Bass Control
Setting this control in the centre position will give an overall flat bass response. Adjusting the bass control
in a clockwise direction will provide up to 12 dB of bass boost @ 100 Hz. Adjusting the bass control in a
counter-clockwise direction will provide up to -12 dB of bass cut @ 100 Hz. It is recommended to start
with the bass control at the centre ‘0’ position and adjust if necessary.
Treble Control
Setting this control in the centre position will give an overall flat treble response. Adjusting the treble
control in a clockwise direction will provide up to 9 dB of treble boost @ 10kHz. Adjusting the treble
control in a counter-clockwise direction will provide up to -9 dB of treble cut @ 10 kHz. It is recommended
to start with the treble control at the centre ‘0’ position and adjust if necessary.
Master Output Control
The master level pot controls the overall output level of the amplifier depending on the levels set for the
individual input channels as detailed above. Start with the control set to level ‘0’ and turn clockwise until
the desired output level of the amplifier is reached. The Master Output Control can also be operated via
remote VCA (see rear panel description)
Page Chime Enable Button
This allows the user to disable or enable the Pre-Announce Chime. This switch does not activate the chime.
Activation is accomplished via the rear panel barrier strip (normally wired to a paging microphone). If the
pre-announce chime is connected to a paging microphone (meaning that it would be activated by the switch
on the microphone), the Page Chime Enable switch on the front panel of the amplifier allows the user to
disable the chime function on those occasions when it is not require
All Call Button
When pressed, the All Call button will connect the 100 volt output of the amplifier to all 6 of the switched
outputs (if connected). Depressing this button again will disconnect the switched outputs. This switch is
“push on-push off” and is non-interlocking.
(2 pages)
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