Remote Control Connections; Remote Volume And Source Selection Control; Mute With Standard Contact Closure; Ac Power Connection - Bose Professional FreeSpace IZA 190-HZ Installation And Operating Manual

Setup and Operation
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Remote Control connections

Remote volume and source selection control

The amplifier is designed to work with the Volume Control with A/B Select User Interface (PC 041967)
accessory� The REMOTE connector on the rear panel of the amplifier is labeled to match the connector on the
user interface� Use the included 4-pin Euroblock�
Volume Control with A/B Select User Interface
See the Bose Professional Volume Control with A/B Select User Interface install guide for more details�
The amplifier also can be controlled with a linear taper 10k ohm potentiometer (full CCW=0 ohm, full CW=10k
ohm) and SPDT switch�
Volume Control with A/B Select
Note: The Bose Professional Volume Control User Interface (PC 041966), not shown here, is not fully functional
with the IZA 190-HZ and IZA 250-LZ amplifiers�

Mute with standard contact closure

The amplifier is designed to mute all outputs (including AUX OUT) when a trigger is detected via the MUTE
connector� This is triggered from a standard contact closure� Use the included 2-pin Euroblock�

AC power connection

Once all the input and output connections have been made on the rear panel, connect the amplifier to AC power
with included power cord�
English Installation and Operation 25