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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
suitable for triggering Niles automated
switchers, some motorized screens, some
electric curtain controls, etc. The trigger volt-
age is present only when the amplifier is
active or “on”. When the amplifier turns “off”,
the 12 Volt signal is off.
Page 11 Setting the Turn-On Mode
Switch
Page 11 Control Output
Page 12 Speaker Wire Connections
Page 13 Line Level Audio Inputs
Page 13 Cascade Audio Outputs
Page 14 AC Power plug
STEP
1. Check the requirements of the
device you want to control.
2. Connect the 3.5 mm Jack to the
control output maintaining proper
polarity (tip = +)
DESCRIPTION
The control output has a maximum
current capability of 12V DC 150 mA.
Niles makes an accessory cable
plug FG00933.
Using the 3.5 mm jack.
Slide the switch with your fingernail or a
1/8” slotted screwdriver blade.
11
INSTALLATION