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The JC 1 can be turned on and off manually or automatically for your convenience.
Using the Front Panel On-Off Button
For manual operation, the JC 1 rear panel Auto Turn On switch must be in its Manual (middle) position.
Connecting an Active Audio Source for Automatic Turn On-Off
The JC 1 can be turned on and off with an audio signal, or by an external trigger voltage. You can also adjust
how long the JC 1 delays its actual turn on after it’s been triggered.
Audio for Automatic Turn On-Off
To automatically turn on the JC 1 whenever music is playing (an audio signal is present), select the Audio trigger
by moving the Auto Turn On switch right to its Audio Signal position. Refer to Audio Trigger Sensitivity Adjustment
in Technically Speaking for more information about adjusting the level of audio required to turn the JC 1.
What You’ll need:
An active audio source connected to the Balanced or Unbalanced Input jack on the JC 1
Before Connecting
Remove power to all the components in your audio system.
Make sure the Auto Turn On switch on the JC 1 is in its Audio Signal (right) position.
Set the Audio triggering Sensitivity adjustment knob on the rear panel to the desired level.
Start with the 3 o’clock detent (click stop) position.
To Connect
Connect an active audio source to either the Balanced or Unbalanced Input jack. (Refer
to pages 2 and 3)
YOU SHOULD KNOW
Turn Off Delay in the Audio Mode
When the music (audio signal) stops, the JC 1 will remain turned on for about ve minutes. This
delay prevents unwanted turn-off during silent passages in music or pauses between tracks.
MANUAL AND AUTOMATIC TURN ON-OFF OPTIONS
5
Switch in right Audio Signal position
Start Sensitivity at 3 o'clock
None
4
8
12
20 50
100
200
Auto Turn On
Delay
Seconds
Sensitivity
Input mV
Select
<
<
Audio
Signal
<
Manual
12V Input
12 Volt
Trigger
Trigger
Output