JBL SYNTHESIS SDP-45 User Manual
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Contents
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JBL SYNTHESIS SDP-45 Setup- 41 -To calibrate output levels during the MANUAL internal noise test:Please see the sections regarding the Remote Control and the FrontPanel User Menu for detailed instruction on how to turn on the internalnoise test and adjust levels.Turn on the noise test by pressing the TEST button once to turnit on and a second time to go to MANUAL.The first speaker to play the test tone will be the Front Left.Adjust the level using the Volume Up/Down until you reach thedesired SPL reading on your meter. For reference level werecommend using 75dB when the meter is set to SLOW and C-weighting. Once the Front Left speaker is set you will now beable to move on the next speaker.Press the TEST button again to move to the next speaker.Adjust the next speaker to the same SPL reading.After each speaker is adjusted press TEST to move to the next.When all speakers have been set the unit will exit the TEST andreturn to normal operation.To calibrate output levels during the AUTO-CYCLE internal noisetest:Turn on the noise test by pressing the TEST button once to turnit on to AUTO-CYCLEThe first speaker to play the test tone will be the Front Left.Adjust the level using the Volume Up/Down until you reach thedesired SPL reading on your meter. For reference level werecommend using 75dB when the meter is set to SLOW and C-weighting. The test will automatically move after a few secondsto the next speaker.Adjust the next speaker to the same SPL reading.Each speaker will be tested in sequence, moving after 4 secondson each speaker.When all speakers have been set the unit will exit the TEST andreturn to normal operation.CROSSOVERIf you are using the SDP-45 with a JBL Synthesis Systemincluding the JBL Synthesis SDEC Digital EQ / Speaker Processor thenyou should always leave the crossovers set to 80hz (default) for allspeakers unless directed by Technical Support to do otherwise.Crossover points can be selected in 5Hz increments within a 40 to200Hz range.NOTE |
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