Where can I find a Flow Chart for the 572 SPL Computer?
572 Flow Chart
: 572 SPL Computer
Where can I find a User’s Guide for the 572 SPL Computer?
572 User's Guide
Where can I find Schematics for the 572 SPL Computer?
572 Schematic_Rev1B03 572 Schematic_Rev1C05
Why is the MUSIC/PAGE ERROR LED flashing at the end of my calibration of the 572 SPL Computer?
During calibration, the 572 requires continuous paging or music signal at its HOUSE or MUSIC Line Inputs or at the PAGE MIC input. If the MUSIC/PAGE ERROR LED flashes, it means that the calibration was unsuccessful, because there was not…
What should the ambient noise conditions be when I calibrate the 572 SPL Computer?
Calibration must be done when ambient noise is at its normal minimum level for the area.
How do I calibrate the 572 SPL Computer?
572 Getting Started Control Settings BYPASS OUT PAGE MIC GAIN 12 O'CLOCK SENSE GAIN IN if your installation is in a normal noise level area, such as a store. OUT if your installation is in a high noise level area…
How do I force the 572 SPL Computer to sample the ambient noise level?
Quickly turn the SAMPLE INTERVAL control first in one direction, then the other direction, returning it to its original position.
How can I see how much ambient level is being picked up by the speakers when the 572 Flow Chart is in “SENSE” mode?
Set OPTIONS switch "B" to the "UP" position. The 572's GAIN (dB) LED's will now display the level of ambient noise that is being picked up by the sensing speakers. NOTE: This interrupts normal operation of the 572. Return OPTIONS…
What can I do if the 572 SPL Computer does not accurately adjust the system level as ambient noise changes?
1. Repeat the calibration procedure. Make sure that you calibrate at a time when the ambient noise level is at a minimum, and check that you have set the MIN and MAX controls to give you the desired level adjustment…
