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ZFMSM 

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

Specifications (Typical)

RF

Frequency Range: 88-108 MHz
Frequency Step: 100 kHz
Output Level: +35 dBmV
Output Level Adjust: 10 dB
Frequency Stability: ±10 kHz
Audio Input Level: 0.2 to 2.0 V p-p
Audio Frequency Range: 30 Hz to 15 kHz
Audio S/N Ratio: >60 dB
Audio Seperation: >30 dB

General

Power Requirements

 

  Voltage: 120, ±10% VAC

 

  Frequency: 60 Hz

 

  Power: 10 W
Temperature Range: 0 to +50 °C

Mechanical 

Dimensions (W x H x D): 19.0 x 1.75 x 3.01 in.; 483 x 44 x 76 mm
Weight: 5 lbs.; 2.1 kg

Controls (Top Panel)

Audio Input: L/R "F" Type Female
RF Output: "F" Type Female
Test Port: "F" Type Female

Connectors (Top Panel)

Frequency Setting: Up/Down Control
Aural Modulation Adj: Control
RF Output Level: Control

Indicators

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 aural carrier modulation

[6]

 RF OUTPUT LEvEL: 

Adjusts RF output

[7]

 -20 dB TEST POINT: 

Externally accessible for in-service testing

[8]

 RF OUTPUT: 

RF signal is connected to distribution system

[9]

 AUDIO IN:

Connect a 1 v p-p (2 v p-p max.) mono or stereo signal 

source from a satellite receiver or vCR

[10]

 CONvENIENCE OUTLET:

Allows looping of power between units

[11]

 POWER CORD: 

Three prong power cord connects to a 120 vAC outlet

ZFMSM

AGILE FM MODULATOR

1

2

3

FREQ.

4

5

6

7

100.3

M    S

AUDIO

MODULATION

ADJ.

R.F.

OUTPUT

LEVEL

TEST

POINT

-20 dB

POWER

RF OUT

AUDIO IN

R                           L

600W MAX.

120 VAC

60 Hz, 10 W

8

9

10

11

12

FRONT PANEL

REAR PANEL

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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