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NOTE: ON THE FRONT PANEL IF SETUP (SEE FIGURE 3 ON PAGE 7) SWITCH IS SET TO
MUSIC, A 3 TO 30 VDC (OR VAC) TRIGGER SIGNAL WILL CHANGE OPERATION OVER TO THE
MOVIE MODE. IF THE SETUP SWITCH IS ALREADY SET TO MOVIE, A TRIGGER SIGNAL HAS NO
EFFECT, SINCE THE MODE IS ALREADY SET TO MOVIE.
NOTE: FOR A HOME THEATER RECEIVER NOT EQUIPPED WITH A MOVIE/MUSIC TRIGGER
OUTPUT, CONSIDER ADDING A NILES HOME THEATER AUTOMATION SYSTEM OR A NILES
MAIN SYSTEM UNIT. SEE FIGURE 9 ON PAGE 14 FOR CONNECTION DETAILS.
3. (Auto) POWER Switch: Use the ALWAYS ON mode to leave the Pro15SW always on.
Use the MUSIC/VOLTAGE SENSE mode to automatically power on the Pro15SW when
an audio signal or trigger voltage is present. When either signal is absent for 15
minutes, the Pro15SW will enter the standby mode.
NOTE: THE ALWAYS ON AND MUSIC/VOLTAGE SENSE SETTINGS ARE ONLY ACTIVE AFTER
(MASTER) POWER IS SET TO ON (SEE #8 BELOW).
4. AUDIO IN jacks: Use these gold-plated line-level RCA input jacks to connect line-
level stereo and LFE audio signals from a home theater Processor or receiver. The
LFE (Low Frequency Effects) input is unfiltered.
5. AUDIO OUT jacks: Use these gold-plated line-level RCA output jacks to connect
line-level stereo and LFE audio signals to drive another Pro15SW. The LFE output is
unfiltered, but the L/R output signals are routed through the variable (60 to 160 Hz)
HIGH-PASS filter, and the response will be contoured according to filter settings (see
Figure 4 on page 8).
6. Loudspeaker IN Binding Posts: As an alternative to the AUDIO IN jacks, use the
loudspeaker-level, gold-plated, five-way binding posts to connect loudspeaker-level,
stereo audio signals from a home theater, receiver or whole-home audio system.
For additional connection details, see FINISHING THE INSTALLATION on
page 15.
NOTE: DO NOT USE THESE CONNECTIONS WHEN USING THE LINE-LEVEL INPUTS.
7. Loudspeaker OUT Binding Posts: As an alternative to the AUDIO OUT jacks, use the
loudspeaker-level, gold-plated, five-way binding posts to connect loudspeaker-level,
stereo audio signals to drive your front L/R satellite loudspeakers. These signals are
routed through a fixed, 100 Hz (6 dB per octave) high-pass filter and the response
will be contoured accordingly.
NOTE: THERE WILL ONLY BE A SIGNAL ON THESE CONNECTIONS IF THE LOUDSPEAKER IN
BINDING POSTS WERE USED.
8. (Master) POWER Switch: Use this control to power on/off the PRO15SW.
9. Detachable IEC Power Cord and Built-In Fuse. If needed, replace the fuse with same
type, as follows:
■ For 115/120 Vac @ 60 Hz, use a T7AL 250V - 230V fast-blow fuse.
■ For 230/240 Vac @ 50 Hz, use a T15AL 250V - 115V fuse.
(CONTINUED ON NEXT PAGE)