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Specifications are subject to change without notice.
Owner’s ManualDSP8807
Digital Processor
and Amplifier
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
SOURCE INPUTS: LINE (1, 2), MUSIC, MIC, NETWORK, TELCO
NOISE TRIM/ dB LEVEL
4. In the ‘System’ select mode with ‘Active View’ open; select ‘NOISE TRIM’ button which presents an option for raising or
lowering the level on a per-zone basis as shown below. Each increment (54dB to 72dB) represents a 1dB increase or decrease
from the base setting. Select required level button(s) from 54dB to 72dB in the box which activates 1dB ‘trip point’ – repeat
settings for zones 1 through 8.
Setting example: If you select 57dB, 63dB and 69dB the masking noise level will raise 1dB as each ambient level is
reached this will occur as each level is passed for a total of 3dB masking noise increase as the ambient level passes
69dB. The reverse will occur as the ambient level decreases past the selected ‘trip points’ so that the masking noise
level returns to the base level setting.