Where can I find a Flow Chart for the 572 SPL Computer?
572 Flow Chart
572 Flow Chart
572 User's Guide
572 Schematic_Rev1B03 572 Schematic_Rev1C05
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…
Calibration must be done when ambient noise is at its normal minimum level for the area.
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…
Quickly turn the SAMPLE INTERVAL control first in one direction, then the other direction, returning it to its original position.
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…
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…
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