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INSTALLATION
Setting the Turn-On Mode Switch
The SI-275 has three turn-on modes. Select which mode you desire by sliding the
mode switch. See Installation Considerations on page 6 for more information
about each of the turn-on modes.
Control Output
This terminal provides a 12v DC signal suit-
able for triggering Niles automated switchers,
some motorized screens, some electric curtain
controls, etc. The trigger voltage is present
only when the amplifier is active or "on".
When the amplifier turns "off", the 12 volt sig-
nal is off.
9 Setting The Turn-On Mode Switch
9 Control Output
10 Speaker Wire Connections
13 Line Level Audio Inputs
13 Cascade Audio Outputs
14 AC Power plug
17 Rail Fuse Holders
STEP
1. Check the requirements of the
device you want to control.
2. Connect the 3.5mm Jack to the
control output maintaining proper
polarity (tip = +)
DESCRIPTION
The control output has a maximum
current capability of 12vDC 150 mA.
Niles makes an accessory cable
plug FG00724.
Using the
3.5mm jack.
Slide the switch with your fingernail or a
1/8” slotted screwdriver blade.
11
INSTALLATION