Norden NVS-AC10006VC User manual

NVS-AC10006VC / NVS-AC10007VC
Volume Controller
User Manual

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Thank you for using our NVS Product. Please read this User Manual carefully to
make better use of this equipment
Attention
This equipment is not waterproof. To prevent fire or electric shock, please do
not place any liquid filled containers (such as vases or flowerpots) near the
equipment or expose the equipment to dripping, splashes, rain, or moisture.
Please hold the plug when moving the power cord. Do not pull the power cord
when pulling out the power plug. Do not touch the power cord when your hands
the device, please be sure to place it on a horizontal and stable surface.
Please keep this User Manual in good custody for future use.

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Contents
Product Description………………………………………………................3
Features...................................................................................3
Specification............................................................................3
Product Dimension……………………………………………………...........4
Connection Details..................................................................4
Installation Procedure.............................................................4

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Product Description
NVS-AC10006VC/NVS-AC10007V volume controller is a high-power volume
controller with 24V override function for audio conferencing system. It’s compatible
with NVS wall and ceiling speakers which have 100V line matching transformers and
can be connected to a speaker or group of speakers with power rating up to 120 Watts.
There are 5 volume selectable positions on the panel.
Features
 With override function, firefighting linkage.
 The power of the volume controller is 60W/120W.
 5 gear volume adjustment.
 Elegant and compact design
Specifications
Model NVS-AC10006VC NVS-AC10007VC
Type Five Gear Volume Control
Rated Power 120W 60W
Override Signal 24V DC 10mA
Gear Output (Input 1KHZ/100V, Load=82Ω,
distortion degree<1%)
STEP
：
0V (off)
STEP1
：
13(±2) V
STEP2
：
26(±2) V
STEP3
：
51(±2) V
STEP4: 100V
Gear Freq. Response (normal operating conditions
(-3DB))
STEP1
：
70Hz
～
18kHz
STEP2
：
70Hz
～
18kHz
STEP3
：
70Hz
～
18kHz
Input DC24V override signal output (position switch
can be placed at any location)
100V (Input 1KHZ/100V, Load=82Ω,
distortion<1%)

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Product Dimension
(Dimension)
Connection Details
Installation Procedure
1. When installing, please ensure that the depth of the bottom box of the volume
controller is more than 50mm, or the optional 86 sound control box is provided
by our company.
2. The embedded leader (audio input line and speaker connector) is connected to
the volume controller on the back of it.
Emergency signal (HOT)
Emergency signal (COLD)
Override power 24V
Override power 0V

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3. The volume controller is closed to the installation bottom box, then fixed with
screws.
4. Cover the volume controller (the panel alignment of the volume controller then
presses hard) can be installed.
Mounting Box Dimension Installation Direction Diagram
Note: Make sure the volume knob of the volume controller is tuned to the smallest gear
before connecting the leader to the volume controller and ensure that the volume
controller is installed and connected without charging all the machines.
Installation
box in the wall

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CAUTION
 When the power switch is "OFF", the machine is not completely disconnected from the power
grid. For the sake of safety, please pull the power cord plug out of the socket when not using the
equipment.
 The equipment shall not be subject to water drops or splashes, and objects such as vases filled
with water shall not be placed on the equipment.
 To reduce the risk of electric shock, do not remove the cover. If necessary, please ask
professional personnel to repair.
 The symbol on the rear panel indicates hazardous live. The connection of these terminals
must be operated by the instructed person.
 The equipment is connected to the power grid through the power cord plug. In case of
equipment failure or danger, the connection between the unit and the power grid can be
disconnected by pulling out the power cord plug. Therefore, it is required to place the power
socket to a position where the power cord can be plugged and unplugged conveniently.