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» Film-Tech Forum   » Operations   » Film Handlers' Forum   » CP-500 Subwoofer Output Adjustment

   
Author Topic: CP-500 Subwoofer Output Adjustment
Don Furr
Master Film Handler

Posts: 485
From: Sun City, Ca USA
Registered: Nov 2002


 - posted 06-12-2018 04:25 PM      Profile for Don Furr   Email Don Furr   Send New Private Message       Edit/Delete Post 
Can anyone share the steps taken to avoid all of the 500's request for mike readings allowing me to pull up the subwoofer output screen? The screen shows an error based on "Input Too Low". I've always heard there's a back door that will allow a subwoofer adjustment the same way the screen channels are adjusted. I've followed instructions from the Installers Manual sections 5-12 to 5-14 but the "input Too Low" continues to show up.

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Allan Lyman
Film Handler

Posts: 24
From: COPENHAGEN, S /copenhagen,denmark
Registered: Apr 2016


 - posted 06-14-2018 03:31 AM      Profile for Allan Lyman   Email Allan Lyman   Send New Private Message       Edit/Delete Post 
Hi Don

when the CP500 wants you to input the calib rated SPL,you turn it all the way down.I think it stops at 45dB,if I remember correct,then it will work,and not come out with the input too low statement
Alan

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Magnus Eriksson
Expert Film Handler

Posts: 113
From: Stockholm, Hägersten, Sweden
Registered: Jan 2011


 - posted 06-14-2018 09:22 AM      Profile for Magnus Eriksson   Email Magnus Eriksson   Send New Private Message       Edit/Delete Post 
First time I got stuck there I hooked up a standard microphone (I think it came from an old telephone answering machine in the booth) to the CP500 and made a lot of noise with my mouth. Then I was allowed to continue :-)

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Don Furr
Master Film Handler

Posts: 485
From: Sun City, Ca USA
Registered: Nov 2002


 - posted 06-14-2018 09:47 AM      Profile for Don Furr   Email Don Furr   Send New Private Message       Edit/Delete Post 
Allan you win the daily double. Those instructions worked perfectly. Thank you very much!!
Now we all know how to beat the system.

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Allan Lyman
Film Handler

Posts: 24
From: COPENHAGEN, S /copenhagen,denmark
Registered: Apr 2016


 - posted 06-15-2018 03:11 AM      Profile for Allan Lyman   Email Allan Lyman   Send New Private Message       Edit/Delete Post 
Hi Don

glad I could help

Alan

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