Operator's Manual

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DOCUMENT NUMBER: OP1920052 REV. B

DESCRIPTION: DSS-950-TX

500mW Digital Spread Spectrum

Audio Surveillance Transmitter

USER’S MANUAL

ECO NUMBER: 2130

Page 0 of 4

Date: 11/23/1999

Orig:_____________

SIGN OFF DATE: mm/dd/yy

Proj Eng._________________

Mfg Mgr. _________________

Documentation ____________

Eng. Mgr._________________

Purchasing _______________

Summary of content (5 pages)

PAGE 1
DOCUMENT NUMBER: OP1920052 REV. B DESCRIPTION: DSS-950-TX 500mW Digital Spread Spectrum Audio Surveillance Transmitter USER’S MANUAL ECO NUMBER: Page 0 of 2130 4 Date: 11/23/1999 Orig:_____________ SIGN OFF DATE: mm/dd/yy Proj Eng._________________ Mfg Mgr. _________________ Documentation ____________ Eng. Mgr.
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DSS-950-TX 500 mW Digital Spread Spectrum Audio Surveillance Transmitter User’s Manual November 1999 Document OP1920052 DTC COMMUNICATIONS, Inc. 75 Northeastern Blvd.
PAGE 3
Description The DSS-950TX is a 900 MHz, low power, spread spectrum audio surveillance transmitter used for law enforcement applications. The transmitter employs digital modulation with direct sequence spread spectrum on one of three factory-selected channels in the 902-928 MHz range. The DSS-950TX has a power output of 500mW to an integral patch antenna built into the housing, which meets the technical and safety requirements of FCC Part 15.203.
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Using the Transmitter (Cont.) CAUTION: ALWAYS MAKE SURE THAT THE PLASTIC ANTENNA COVER IS FACING OUTWARDS; AWAY FROM THE TORSO, IN ORDER TO MAXIMIZE RANGE AND MINIMIZE RADIO FREQUENCY ABSORBPTION INTO THE BODY. THIS DEVICE HAS BEEN TESTED AND HAS BEEN FOUND TO BE WITHIN SAFE LEVELS FOR LOCALIZED SPECIFIC ABSORPTION FOR UNCONTROLLED ENVIRONMENT/GENERAL POPULATION EXPOSURE WHEN USED PROPERLY. 1. Start the surveillance session with fresh AA batteries.
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Specifications Input: Controls: Antenna: Power Output: Audio Coder Rate: AGC Range Modulation: Chip Rate: Processing gain: Spreading Code Spurious Radiation Frequencies: Battery: Battery Life: Dimensions: Weight: FET-Electret Mic. (internal and external with 24“ cable-auto. switching) Power ON/OFF, AGC ON/OFF Linear Patch 500 mW 32 kbps 45 dB Direct Sequence Spread Spectrum 704 kilochips per second Greater than 10 dB Proprietary 37-chip code (Factory fixed) Greater than -45 dBc: A = 905.5 MHz; B = 915.