Select White or Pink Noise (jumper J6)
Select Amp Direct or Mix Bus operation (jumper J7).
Turn the module gain pot down counter clockwise (Left direction).
Turn EQ pot clockwise (Right direction).
Turn the AA120M power switch off.
Carefully inset the AA-SMG module into the card guider rails. Push until card is seated and the panels are ush. Secure with screws.
Select the AA120M input module mode, switch #5 located on the rear panel of the amp.
Turn all levels down on amplier. Note if the module is in Amp Direct mode, the only level control you have for masking is the Gain pot on the AA-SMG. The Master and Input 6 levels on the AA120M are bypassed. All other channels operate normally.
Turn the amp on. You should be hearing either White or Pink noise.
Whenever connecting the Line Out or Insert jack, always turn off the AA120M prior to connection.
Tune the system as needed. Always a good suggestion to refer to Atlass white paper on masking.
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Specifications are subject to change without notice
2007 ATLAS SOUND LP
TELEPHONE: (800) 876-3333 FAX: (800) 765-3435
ATS002745 RevA 3/07
SOUND MASKING MODULE
#1 AA-SMG This graph illustrates the comparison of the Line Out White Noise vs. Pink Noise with no EQ by passed.
#2 This graph shows the 70v tap output waveform of the AA120M with the AA-SMG in White Noise mode. The graph comparison is indicating the EQ trim engaged (Counterclockwise) or disengaged (Clockwis