User manual DRAKE DIGITAL 806DM

[. . . ] Follow Instructions--All operating and use instructions should be followed. Attachments--Do not use attachments that are not recommended by the product manufacturer as they may cause hazards. Water and Moisture--Do not use this product near water--for example, near a bathtub, wash bowl, kitchen sink or laundry tub; in a wet basement; or near a swimming pool; and the like. Accessories--Do not place this product on an unstable cart, stand, tripod, bracket, or table. [. . . ] Unauthorized substitutes may result in fire, electric shock or other hazards. Safety Check--Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition. Wall or Ceiling Mounting--The product should be mounted to a wall or ceiling only as recommended by the manufacturer. Heat--The product should be situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat. NOTE TO CATV SYSTEM INSTALLERS: 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. EXAMPLE OF ANTENNA GROUNDING ANTENNA LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS (NEC SECTION 810-21) GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250, PART H) Table of Contents, Specifications, and Description TABLE OF CONTENTS 2 2 3 4 4 5 6 7 Caution Statements Important Safety Instructions Table of Contents/Specifications/Description Front Panel Controls and Indicators Rear Panel Connections Reference Chart of Off-Air and CATV Channels Service / If You Need To Call For Help Warranty SPECIFICATIONS 3 RF Input Frequency: 54 - 806 MHz, Off-Air: Channels 2 - 69. VIDEO Output Level: 1. 0 Vp-p nominal, NTSC standard negative sync, adjustable with front panel control. GENERAL AC Power Input: Operating Temperature: Dimensions: Weight: Connectors: 115 VAC ±10%, 60 Hz, 5 Watts. Use adapter for RCA phono. DESCRIPTION 806DM AGILE NTSC DEMODULATOR CHANNEL LOCK UNLOCK CHANNEL ANTENNA CABLE AUDIO LEVEL VIDEO LEVEL The DRACOM 806DM is a professional quality agile NTSC television demodulator that provides an audio and video output from any VHF, UHF, or CATV channel (54 - 806 MHz). The standard 1-rack-unit package design of the 806DM permits convenient pairing with a Drake rack mount Video Modulator to perform off-air or CATV channel processing. The desired off-air VHF or UHF television channel from 2 through 69 or CATV channel from 2 through 125 is selected by a front panel recessed push button switches. The 806DM provides a standard negative sync video output at a nominal level of 1 Vp-p which is adjustable with a front panel control. Also provided is an audio output signal, nominal 350 mV, that is level adjustable with a front panel control. As previously described, channel selection switches, video output level control, and audio output level control are located on the front panel. The RF Input is through an "F" type connector located on the rear panel. The unit is powered through the attached AC line cord by a nominal 115 VAC, 60 Hz source of power. A 115 VAC convenience outlet is also provided. 4 Front and Rear Panel Controls and Connections F1 F2 F3 F4 F5 F6 Front Panel Controls and Indicators 806DM AGILE NTSC DEMODULATOR CHANNEL LOCK UNLOCK CHANNEL ANTENNA CABLE AUDIO LEVEL VIDEO LEVEL Figure 1 F1 - CHANNEL Number Display Displays off air broadcast channels (ANTENNA mode) with an "A" followed by a channel number. Also displays CATV channels with a 3 digit numeric display of the EIA channel number. F2 - LOCK / UNLOCK Switch Press to lock or unlock the channel selection and ANTENNA/CABLE functions. The unit is locked when a decimal point is displayed between the 2nd and 3rd digits in the display. F3 - CHANNEL v / w Select Switch These buttons are used to increment or decrement the selected channel. The channel can only be changed when the unit is unlocked (decimal point is not illuminated between 2nd and 3rd digits). F4 - ANTENNA / CABLE Switch Press to toggle between ANTENNA and CABLE channel tuning. When the ANTENNA mode is selected, an "A" will be displayed in the far left position of the channel display. Write your return address clearly on the shipping carton and on an enclosed cover letter describing the service required, symptoms or problems. [. . . ] DRAKE COMPANY or the nearest authorized service facility, or ship the same in its original container or equivalent, fully insured and shipping charges prepaid. Correct maintenance, repair, and use are important to obtain proper performance from this product. DRAKE COMPANY determines is due to: (1) Improper maintenance or repair, including the installation of parts or accessories that do not conform to the quality and specifications of the original parts. All implied warranties, if any, including warranties of merchantability and fitness for a particular purpose, terminate one (1) year from the date of the original purchase. [. . . ]