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Summary of Contents for Soft dB SMS-SEN
- Page 1 SMS-SEN Active Volume Control Sensor smartSMS-NET Sound Masking System User Guide V20190704 Soft dB Inc. 1040, Belvedere Avenue, Suite 215 Quebec (Quebec) Canada G1S 3G3 Toll free: 1-866-686-0993 (USA and Canada) E-mail: info@softdb.com...
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Page 2: Table Of Contents
Content Overview ..........................1 Specifications .......................... 2 Installation ..........................3 Safety Instructions ............................3 Installing the Sensors ..........................4 Configuration .......................... 5... -
Page 3: Overview
The smartSMS-NET sound masking system is equipped with an automatic masking volume adjustment system. The SMS-SEN active volume control sensor is used to adjust the masking sound volume based on the ambient noise activity level. This adjustment is possible due to an advanced signal processing technique that can precisely distinguish the activity in the room from the sound masking. -
Page 4: Specifications
2 Specifications Specifications Sensitivity 70 mV/Pa Directivity Omnidirectional Frequency Range 20 Hz – 20 kHz* Mounting 3/8” Hole in ceiling tile Color White Connector 2-conductors screw terminal Recommended Wiring 2-conductors shielded wire, 22 AWG *: A-Weighted when used with the smartSMS-NET system 15.9mm (5/8’’) Supplied with 2 washers to place above and... -
Page 5: Installation
3 Installation 3.1 Safety Instructions • Read and keep these instructions. • Heed all warnings and follow all instructions contained within this manual. • Install in accordance with the manufacturer’s instructions. • Clean only with dry cloth. • Do not install near water. •... -
Page 6: Installing The Sensors
3.2 Installing the Sensors To install the sensor, drill a 3/8 in hole through the suspended ceiling tiles. Connect the sensor with 22 AWG shielded cable and BCN connectors. Up to 6 sensors can be connected on the active input. Connect the shield wire on the negative terminal on the controller end only, do not connect the shield on the sensor terminal and let it float. -
Page 7: Configuration
4 Configuration Use the Project Manager software to configure active sound masking volume control. Refer to the Project Manager software User Guide for more information.
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