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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 12 Line Level Audio Inputs
Page 13 Cascade Audio Outputs
Page 14 AC Power plug
STEP
1. Check the r
equir
ements of the
device you want to contr
ol.
2. Connect the 3.
5
mm Jack to the
contr
ol output maintaining pr
oper
polarity (tip = +)
DESCRIPTION
The control output has a maximum
current capability of 12V DC
1
50 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
DS00219CMY-SI-275.qxp 6/7/05 3:18 PM Page 11