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Table of Contents     v

Thank you for purchasing a DRAKE® FMC 1000 FM
STEREO MODULATOR. This product has been
designed and manufactured to high quality standards,
and will provide reliable operation for many years.
Please carefully read the Instruction Manual for proper
installation and usage.

Caution Statements

Important Safety Instructions

Table of Contents

Specifications / Options and Accessories

Introduction - General Description

Front Panel Controls and Indicators

Rear Panel Controls and Connections

Installation
     Setup and Operation

Service Information /  If You Need To Call For
Help

Warranty

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Summary of Contents for FMC 1000

Page 1: ...Instruction Manual FMC 1000 FM STEREO MODULATOR with Limiter and Compression is a registered trademark of the R L Drake Company Copyright 2002 R L Drake Co P N 3852433E 2 2002 Printed in the U S A ...

Page 2: ...uick stops excessive force and uneven surfaces may cause the product and cart combination to overturn The lightning flash with arrow head symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within...

Page 3: ...ble system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSI NFPA 70 provides informationwithregardtopropergroundingofthemastandsupportingstructure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrodes...

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Page 5: ... Please carefully read the Instruction Manual for proper installation and usage Caution Statements Important Safety Instructions Table of Contents Specifications Options and Accessories Introduction General Description Front Panel Controls and Indicators Rear Panel Controls and Connections Installation Setup and Operation Service Information If You Need To Call For Help Warranty ii iii v vi 1 2 3 ...

Page 6: ...A Phono input 20K Ohm input impedance balanced 10 to 10 dBu manual gain adjustment with front panel modulation indicators 20K Ohm input impedance balanced 16 to 4 dBu manual gain adjustment with front panel modulation indicators 20 Hz to 15 kHz 3 dB referenced to a standard 75 µSec pre emphasis curve Less than 0 25 typical 12 VDC 250 mA regulated by supplied wall AC Adapter 19 W x 1 75 H x 6 25 D ...

Page 7: ...rovided for the XLR connectors Full transmitter deviation with monaural audio input is provided by programming the unit for MONO and connecting the audio signal input to the appropriate Left Audio Input connector A rear panel Limiting Compression switch permits setting no limiting limiting only or limiting and compression operation A front panel Input Level control permits adjusting the audio inpu...

Page 8: ...l LIMITING COMPRESSION switch see rear panel Item 4 is set to OFF With the switch set for either the L or C L position these indicators will light on audio signal peaks as the limiter is activated at full modula tion Also see rear panel Item 4 for additional hints for proper setting of the LIMITING COMPRESSION switch for a given type of audio source Set the INPUT LEVEL control at or just below the...

Page 9: ...ural audio input signals to the appropriate unbalanced or balanced LEFT AUDIO INPUT connector For monaural input program the FMC 1000 to display MONO See Item 5 TUNE Buttons in the Front Panel Controls and Indicators section of this manual For stereo input connect an unbalanced line level left channel stereo audio signal to the phono connector or connect a balanced line level left channel stereo a...

Page 10: ...s hole The access hole is located adjacent to the RF OUTPUT connector Use a small straight slot type screwdriver to adjust the potentiometer if adjustment is necessary Counterclockwise rotation of the potentiometer decreases the RF output level If an output level of less than 40 dBmV is required add an attenuator of the appropriate value to the modulator output Example For an output level of 35 dB...

Page 11: ...ront Panel Controls and Indicators Items 3 4 sections of this manual for details To monitor the audio source material plug a set of headphones into the MONITOR OUTPUT jack Adjust the MONITOR Level control for a comfortable listening level 3 Connect the Transmitter to Power Plug the DC power cord of the supplied AC Adapter into the DC INPUT connector on the rear panel of the FMC 1000 unit Secure th...

Page 12: ... is repaired in five to ten working days after it arrives at R L DRAKE if we have all the facts If we must call you it may take longer R L DRAKE is not responsible for damage caused by lightning nonprofes sional alterations acts of God shipping damage poor storage handling etc R L DRAKE will make note of any shipping damage upon receipt Should your warranty card not be on file at R L DRAKE you wil...

Page 13: ...are important to obtain proper performance from this product Therefore carefully read the Instruction Manual This warranty does not apply to any defect that R L DRAKE COMPANY determines is due to 1 Impropermaintenanceorrepair includingtheinstallationofpartsoraccessoriesthatdonotconformtothequality and specifications of the original parts 2 Misuse abuse neglect or improper installation 3 Accidental...

Page 14: ...R L DRAKE COMPANY 230 INDUSTRIAL DRIVE FRANKLIN OHIO 45005 U S A CUSTOMER SERVICE AND PARTS TELEPHONE 1 937 746 6990 TELEFAX 1 937 743 4576 WORLD WIDE WEB SITE http www rldrake com ...

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