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INSTRUCTION MANUAL

One Jake Brown Road 

Old Bridge, NJ 08857-1000 USA 

(800) 523-6049 • (732) 679-4000 • FAX: (732) 679-4353

 

www.blondertongue.com

©2009 Blonder Tongue Laboratories, Inc.  All rights reserved. Specifications are subject to change without notice. Trademarks are the property of their respective owner.

ZFMSM

Agile FM Stereo Modulator
Stock No. 5872

651214600C

Description

The ZFMSM is a low cost, professional quality, agile FM stereo modulator. The unit accepts either monaural or stereo 
(left & right) inputs and modulates the input to any standard FM channel assignment in the frequency range of 88-108 
MHz. Frequency selection is via a front panel up/down switch with a digital display. The ZFMSM modulator retains 
the frequency setting in the event of power interruption. The modulator can be used in a stand alone configuration 
with the ZSCA-FM wide band (88-108 MHz) amplifier. An output test port allows for easy setup and testing without 
disrupting service. All controls and test ports are located on the front panel for ease of operation.

Features

•   Rack Mountable - 1 EIA (1.75") Rack Space
•   High Performance FM Audio Modulator
•   Superior Signal to Noise and Audio Separation Performance 
•   Switchable Mono or Stereo Capability
•   Front Panel Level Controls, Power Indicator, Rear AC Convenience Outlet 

Summary of Contents for ZFMSM

Page 1: ... FM channel assignment in the frequency range of 88 108 MHz Frequency selection is via a front panel up down switch with a digital display The ZFMSM modulator retains the frequency setting in the event of power interruption The modulator can be used in a stand alone configuration with the ZSCA FM wide band 88 108 MHz amplifier An output test port allows for easy setup and testing without disruptin...

Page 2: ...R MOISTURE NOTE TO CATV SYSTEM INSTALLER This reminder is provided to call the CATV System Installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical The STOP sign symbol is intended to alert you to the ...

Page 3: ...the antenna near overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing the antenna take extreme care to avoid touching such power lines or circuits as contact with them can be fatal Do not overload wall outlets or extension cords as this can result in a risk of fire or electrical shock Never insert objects of any kind ...

Page 4: ...icators Power ON LED Red Frequency Display 4 Digit LED Screen Controls and Connections 1 Power Indicator LED illuminates to indicate presence of power 2 Frequency Display Seven segment display indicates FM frequency setting 3 Frequency Select Controls Push buttons used to select desired frequency 4 mono stereo switch Slide switch used to select mono or stereo modes 5 audio modulation level Adjusts...

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