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CONTROL CONNECTIONS continued
54
12-Volt Triggers
The three trigger output jacks transmit DC trigger signals that can be used to control many ampli-
fiers, retractable screens, TV sets and projectors, and even some lighting equipment. Outputs P1
and P2 can be individually programmed to send trigger signals in response to such events as a
change of audio or video signal, selection of a specific input, activation of the C 1 display dimmer,
and switching the C 1 on or off. For each, the trigger can be set off immediately or after a short
delay, or turned on when you press “Stop” on your DVD player. Each of these trigger outputs can
also be set for normally-on or normally-off operation. (These options are described in more detail
in the “Trigger setup” section of “Adjustments, Menus, and Setup.”)
The third trigger, marked “On-Off” on the rear panel, only operates when the C 1 is turned on
and off. It operates with positive polarity (normally on), zero delay, and infinite duration, which is
to say that it sends a trigger signal from the moment the C 1 is turned on until the moment you
turn the C 1 off again.
Thanks to this flexibility, the C 1 can trigger a number of operations. To suggest just two examples:
An on-off trigger could be used to turn power amplifiers on and off with the C 1. And video-based
settings could be used to lower a projection screen, turn on a video projector, dim room lights
(immediately or after a programmed delay), and draw window curtains.
The C 1 comes with two trigger-control wires. Each wire is 3 feet (1 meter) long, with a 3.5-mm
mini plug to fit the C 1 trigger output jacks and a 2.5-mm sub-mini plug for the trigger input jacks
on Parasound amplifiers and tuners. Additional wires are available from Parasound.
CAUTION:
Insert or remove trigger plug wires only when the C 1 is switched off or disconnected
from the AC power line. Otherwise, its trigger circuits may be damaged.