Lencore Sound Masking System
Desktop
Sound Masking Unit - Model LD
T
6
The De
sktop
Sound Masking Unit can be adjusted for
volume in increments of +/- ½ dB and the contour can be
adjusted from the white to pink spectrum.
Use a small screwdriver t
o set the volume and contour of the
desktop
unit
.
At the base of the unit, there are three blue potentiometers or pots that can be adjusted for gain control
(volume), contour (frequency) or paging volume. In addition, in the center of the base of the unit there
is a silver potentiometer. This is the primary gain (volume) control and is referred to as the CENTER POT.
Please note that in the
desktop
unit, no controls to the paging volume will be necessary
+
To set the unit, first plug in the unit and turn it on using the on/off switch at the side.
+ Turn the unit over and from the bottom, adjust the center screw terminal by inserting a
screwdriver into silver CENTER POT and turning the center pot counterclockwise until it stops
then turn it back clockwise 4 clicks.
+ Now
,
adjust the contour (sound frequency) by inserting the screwdriver into the blue CONTOUR
POT and turning the dial all the way counterclockwise.
+ If additional volume attenuation is required
,
you can use the silver center pot or the blue gain
control pot to adjust the sound in ½ dB increments until you reach your preferred volume level.
Instructions for Adjusting and Tuning the De
sktop Unit
Lencore Acoustics Corp.
™
y
®
1 Crossways Park Drive West
™
y
™
Woodbury, NY 11797
y
(P) 516-682-9292
y
(F) 516-682-4785
y
email: [email protected] Spectra
i.
Net
, Spectra
, CrossNetOne
, CrosswaysOne are trademarks of Lencore Acoustics Corp. All rights reserved.
©Copyright 201
6
REV5001-1
7-4
The De
sktop
Sound Masking Unit consists of an individual
self-contained noise generator, audio amplifier, loud
speaker, and power supply unit in a damped metal
enclosure. It is powered by an internal transformer with a
120 VAC plug (plug-in can be configured for international
use). Adjustments can be made to the contour and volume
control, by a small screwdriver
.
