® FMC 1000 FM STEREO MODULATOR (with Limiter and Compression) Instruction Manual ® 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.
ii Caution Statements WARNING: TO PREVENT FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE TO RAIN OR MOISTURE A product and cart combination should be moved with care. Quick stops, excessive force and uneven surfaces may cause the product and cart combination to overturn.
Important Safety Instructions 1. Read Instructions—All the safety and operating instructions should be read before the product is operated. 2. Retain Instructions—The safety and operating instructions should be retained for future reference. 3. Heed Warnings—All warnings on the product and in the operating instructions should be adhered to. 4. Follow Instructions—All operating and use instructions should be followed. 5. Cleaning—Unplug this product from the wall outlet before cleaning.
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Table of Contents 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.
vi Specifications SPECIFICATIONS Frequency Coverage: 88.1 to 107.9 MHz. Frequency Selection: Selectable by front panel / buttons and LCD frequency readout. Frequency Generation: PLL Synthesis. Frequency Stability: ±10 ppm, 00 to 500 C. Power Requirement: 12 VDC @ 250 mA, regulated by supplied wall AC Adapter. Size: 19" W x 1.75" H x 6.25" D. Weight: 5 lbs.
Introduction - General Description OVER MODULATION LEVEL MONITOR OUTPUT MONITOR FMC 1000 FM STEREO MODULATOR TUNE INPUT LEFT RIGHT The R.L. Drake FMC 1000 FM STEREO MODULATOR is a high quality cable FM broadcast band modulator. Synthesized operation permits setting the operating frequency in 100 kHz increments from 88.1 to 107.9 MHz. The operating frequency and mode of operation, Stereo or Mono, is programmable with front panel buttons and is indicated on an LCD display.
2 Front Panel Controls and Indicators MONITOR INPUT LEFT 1 2 FMC 1000 FM STEREO MODULATOR TUNE OVER MODULATION LEVEL MONITOR OUTPUT 3 FREQUENCY RIGHT 4 1. MONITOR OUTPUT - Connect headphones to listen to the audio that is supplied to the transmitter. The monitored level will vary with the level of the incoming audio, the setting of the INPUT LEVEL control, and the setting of the MONITOR OUTPUT level control. 2.
Rear Panel Controls and Connections MADE IN U.S.A. R BY 20K 20K VDC -- 1 250 mA ON OFF OFF C + L L 2 3 8 4 1. DC INPUT - Connect the supplied AC Adapter to this connector. Secure AC Adapter DC cable with the adjacent rear panel strain relief. 2. POWER ON/OFF Switch - Set this switch to the ‘ON’ position to operate the FMC 1000. 3. RF OUTPUT - This is the modulator output. 4. LIMITING/COMPRESSION SWITCH - This switch selects the operation of the limiter.
4 Installation SETUP and OPERATION Rack Mounting Adequate ventilation is very important in multichannel installations. Units should be spaced apart by at least one panel height wherever possible. Some air movement is advisable in enclosed rack cabinets. Excessive heat will shorten component life and modulator performance will be degraded without proper cooling. Installation Notes Level adjustment provides optimum performance in multichannel installations.
Installation, continued 5 Strain Relief MADE IN U.S.A. R BY RF OUTPUT DC INPUT POWER + 12 VDC -- ON 250 mA OFF LIMITING/ COMPRESSION OFF C + L L Switch to 'ON' 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 the DC power cord with the adjacently located strain relief. Plug the AC Adapter into a nominal 120 VAC, 60 Hz wall outlet. Set the rear panel POWER switch to the ‘ON’ position.
6 Service Information / If You Need To Call For Help SERVICE INFORMATION You may contact the R.L. DRAKE Service Department for additional information or assistance by calling +1 (937) 746-6990, Monday through Friday, between 8:00 A.M. and 4:00 P.M. Eastern Time, except on holidays. You may also contact the R.L. DRAKE Service Department by E-mail at the following address: service@rldrake.com or by Telefax: +1 (937) 743-4576.
Warranty 7 Three Year Limited Warranty R.L. DRAKE COMPANY warrants to the original purchaser this product shall be free from defects in material or workmanship for three (3) years from the date of original purchase. During the warranty period the R.L. DRAKE COMPANY or an authorized Drake service facility will provide, free of charge, both parts and labor necessary to correct defects in material and workmanship. At its option, R.L. DRAKE COMPANY may replace a defective unit.
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.
