Drake_SW1_user.pdf

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1、Owners Manual SW1 AM Shortwave Receiver is a registered trademark of the R. L. Drake Company Copyright 1996 R. L. Drake Co. P/N3851331B-7-1996 Printed in the U. S. A. RF? GAIN TUNING 123 4 7 CLEAR 56 89 0 MEM? RCL MEM? STORE ENTER VOLUME POWERMEMORY MODE SW1 Shortwave Receiver Downloaded by? Amateur

2、 Radio Directory? ? www.hamdirectory.info 2 Important Safeguards WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER OF AC ADAPTOR NO USER-SERVICABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING! An appliance and cart combination shoul

3、d be moved with care. Quick stops, excessive force and uneven surfaces may cause the appliance and cart combina- tion 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 pro

4、ducts enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the

5、 appliance. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCTS AC ADAPTOR TO RAIN OR MOISTURE. DO NOT OPEN THE CABINET, REFER SERVICING TO QUALIFIED PERSONNEL ONLY. WARNING: TO PREVENT ELECTRIC SHOCK, DO NOT USE THE AC ADAPTOR WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLET

6、UNLESS THE BLADES OF THE AC ADAPTOR CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE. CAUTION: POUR PREVENIR LES CHOCS ELECTRIQUES, NE PAS UTILISER CETTE FICHE POLARISEE AVEC UN PROLONGATEUR, UNE PRISE DE COURANT OU UNE AUTRE SORTIE DE COURANT, SAUF SI LES LAMES PEUVENT ETRE INSEREES A FOND SANS EN L

7、AISSER AUCUNE PARTIE A DECOUVERT. ATTENTION: 15. Damage Requiring ServiceUnplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: a. When the AC adaptor cord or plug is damaged. b. If the AC adaptor has been exposed to rain or water.

8、 c. If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions. An improper adjustment may result in damage and will often require extensive work by a qualified technician to restore the product to its n

9、ormal operation. d. If the product has been dropped or the cabinet has been damaged. e. When the product exhibits a distinct change in performancethis indicates a need for service. 16. Replacement PartsWhen replacement parts are required, be sure the service technician has used replacement parts spe

10、cified by the manufacturer or have the same characteristics as the original parts. Unauthorized substitutes may result in fire, electric shock or other hazards. 17. Safety CheckUpon completion of any service or repairs to this product, ask the service technician to perform safety checks to determine

11、 that the product is in proper operating condition. 18. Outdoor Antenna GroundingBefore attempting to install this product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built- up static charges. a. Use No.10 AWG (5.3mm2) copper, No.8 AWG

12、 (8.4mm2) aluminum, No.17 AWG (1.0mm2) copper-clad steel or bronze wire or larger, as ground wire. b. Secure antenna lead-in and ground wires to house with stand-off insulators spaced from 4 feet (1.22m) to 6 feet (1.83m) apart. c. Mount antenna discharge unit as close as possible to where lead-in e

13、nters house. d. A driven rod may be used as the grounding electrode where other types of electrode systems do not exist. Refer to the National Electrical Code, ANSI/NFPA 70-1990 for information. e. Use jumper wire not smaller than No.6 AWG 13.3mm2) copper or equivalent, when a separate antenna groun

14、ding electrode is used. GROUND CLAMPS POWER SERVICE GROUNDING ELECTRODE SYSTEM (NEC ART 250, PART H) ELECTRIC SERVICE EQUIPMENT GROUND CLAMP ANTENNA LEAD IN WIRE ANTENNA DISCHARGE UNIT (NEC SECTION 810-20) GROUNDING CONDUCTORS (NEC SECTION 810-21) EXAMPLE OF ANTENNA GROUNDING 1. Read InstructionsAll

15、 the safety and operating instructions should be read before the appliance is operated. 2. Retain InstructionsThe safety and operating instructions should be retained for future reference. 3. Heed WarningsAll warnings on the appliance should be adhered to. 4. Follow InstructionsAll operating and use

16、 instructions should be followed. 5. CleaningUnplug this appliance from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleansers. Use a damp cloth for cleaning. 6. Do Not Use Attachmentsnot recommended by the manufacturer or they may cause hazards. 7. Water and MoistureDo not

17、 use this product near waterfor example, near a bathtub, wash bowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pooland the like. 8. AccessoriesDo not place this product on an unstable cart, stand, tripod, bracket, or table. The product may fall, causing serious injury to a chil

18、d or adult, and serious damage to the appliance. 9. VentilationThis product should never be placed near or over a radiator or heat register. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturers instructions

19、 have been adhered to. Any slots or openings in the cabinet are provided for ventilation. To ensure reliable operation of the product and to protect it from overheating, these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or

20、 other similar surface. KEEP CURTAINS AND OTHER FLAMMABLE MATERIALS OUT OF DIRECT CONTACT WITH THE AC ADAPTOR. 10. Power SourcesThis product should be operated only from the type of power source indicated on the marking label of the supplied AC Adaptor. If you are not sure of the type of power suppl

21、ied to your home, consult your appliance dealer or local power company. 11. LightningFor added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug the AC adaptor from the wall outlet. 12. Power LinesAn outside antenna system

22、 should not be located in the vicinity of overhead power lines, other electric light or power circuits, where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them

23、 may be fatal. 13. OverloadingDo not overload wall outlets and extension cords as this can result in a risk of fire or electric shock. 14. ServicingDo not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing

24、to qualified service personnel. WARNING: TO PREVENT FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE THIS PRODUCTS AC ADAPTOR TO RAIN OR MOISTURE Table of Contents / General Description 3 Thank you for purchasing an SW1 AM Shortwave Receiver. This receiver has been designed and manu- factured to high quality

25、standards, and will provide reliable operation for many years. Please carefully read the Owners Manual in order to take advantage of the many interesting features that will provide enjoyable listening to radio broadcasts around the world. Antenna Requirements Operation From 12 VDC Vehicle Supply Bas

26、ic Antenna Connection Random Length Wire Antenna Installation Getting Started General Operating Information Direct Frequency Entry Tuning Buttons and Tuning Wheel Using the RF Gain Control Memory Store Memory Recall Tuning to AM Shortwave Radio Stations Troubleshooting Warranty Important Safeguards

27、Table of Contents General Description Specifications / Accessories Front Panel Description Installation Unpacking Location Fixed Installation 2 3 3 4 5 6 6 6 6 6 6 6 7 8 8 8 9 9 9 9 10 10 11 TABLE OF CONTENTS GENERAL DESCRIPTION The SW1 is a microprocessor controlled, synthesized, AM shortwave recei

28、ver with continuous coverage capability from 100 kHz through 30000 kHz which includes the AM broadcast and shortwave bands. The SW1 offers good sensitivity, selectivity, dynamic range and features that permit easy tuning of desired stations. Conveniently located front panel controls allow for rapid

29、tuning to a particular frequency. The SW1 is easy to use. The operating frequency can be tuned via a tuning wheel, / tuning buttons, or by direct numeric entry. The RF Gain is adjustable via a front panel control. Dual antenna input terminals on the rear panel provide versatile and practical connect

30、ion of either a coaxial 50 Ohm feedline or wire antenna connection to the receiver. A front panel LED display shows the receive frequency. Memory mode operation and connection to a source of AC (or DC) power are indicated by additional LEDs. The receiver can be operated from the supplied AC Adaptor

31、which provides 12 VAC power, or from a nominal 12 VDC power source. RF? GAIN TUNING 123 4 7 CLEAR 56 89 0 MEM? STORE MEM? RCL ENTER VOLUME SW1 Shortwave Receiver MEMORY MODEPOWER 4 Specifications / Optional Accessory Frequency Range: Sensitivity: (10 dB S+N/N) (1000 Hz, 30% Mod) Readout Accuracy: Se

32、lectivity: IF Frequency: 1st IF: 2nd IF: Step Sizes: Antenna Inputs: Headphone Jack: Supplied AC Adaptor Wall Transformer: DC Power Requirements: 100 - 30,000 kHz, AM mode only Less than 2.0 V, typical To nearest 1 kHz 5.5 kHz min. at -6 dB 45 MHz 455 kHz 1 kHz with Tuning Wheel 5 kHz with / buttons

33、 SO-239 connector, 50 Ohms Screw terminal, 50 Ohms 1/8 inch stereo/mono type (monaural reception only) Input: 120 VAC 10%, 60 Hz, 15 Watts Output: 12 VAC at 830 mA maximum 12 VDC nominal at 400 mA OPTIONAL ACCESSORY: Plastic Carrying Handle for the SW1. Operating Temperature: Weight: Size: 00 to +50

34、0 C 4.7 lbs. 2.1 Kg, (includes AC Adaptor) Width: 10-7/8? (27.6 cm) Height: 4-3/8 (11.1 cm) (includes feet) Depth: 7-5/8 (19.4 cm), (including front knobs and rear panel connector) RF? GAIN VOLUME TUNING SW1 Shortwave Receiver MEMORY MODEPOWER 123 4 7 CLEAR 56 89 0 MEM? STORE MEM? RCL ENTER Download

35、ed by? Amateur Radio Directory? ? www.hamdirectory.info RF? GAIN TUNING 123 4 7 CLEAR 56 89 0 MEM? STORE MEM? RCL ENTER VOLUME SW1 Shortwave Receiver MEMORY MODEPOWER Front Panel Description 5 7 5 1 6 4 3 2 1) Display - Indicates the operating frequency in kHz. The trailing decimal point indicates t

36、hat either AC or DC power is applied to the receiver. Memory mode operation is indicated by the leading decimal point in the display. 2) Tuning (VFO) - The tuning wheel and the and buttons are the primary tuning controls of the receiver. Clockwise rotation of the dial increases frequency in 1 kHz st

37、eps and counterclockwise rotation decreases frequency in 1 kHz steps. The and buttons increment and decrement the frequency in 5 kHz steps. 3) Program Buttons 0 - 9 Numeric buttons - Permit direct entry of receive fre- quency in kHz from 100 to 30000 kHz. CLEAR - Press to cancel an entered frequency

38、 and restore the previously displayed frequency or to exit the memory mode. ENTER - Press after entering the desired operating frequency for immediate tuning to the entered frequency. Also, press after entering a MEMORY channel number to store the channel in a MEM STORE operation. - Press to turn th

39、e receiver On or Off. The frequency readout will be displayed when the receiver is on. - Press to toggle the display brightness between normal and dimmer settings. MEM? STORE - Press to enter the memory store mode. The ?MEMORY MODE? LED will flash (see Item 1). MEM? RCL - Press for a memory recall.

40、The MEMORY MODE LED will light (see Item 1). 4) VOLUME - Turn this clockwise to increase the volume setting. Turn this control counterclockwise to reduce the volume setting. 5) RF GAIN - This control adjusts the RF gain of the receiver and is normally set for the fully clockwise position. Turn the c

41、ontrol counterclockwise, as required, to reduce the receiver gain for reception of strong signals. 6) SPEAKER - This is the opening for the internal speaker of the receiver. 7) HEADPHONE JACK - This connector accepts a 1/8 stereo/mono headphone connector. Reception is monau- ral only. GND A N T E N

42、N AP O W E R? I N P U T +12 VDC? OR? ? 12 VAC? 400 mA - - - 5050 6 Installation UNPACKING - Carefully remove the SW1 and included AC Adaptor wall transformer from the shipping carton and examine them for evidence of damage. If any damage is noted, immediately contact the transportation company respo

43、nsible for delivery or return the unit to the dealer from whom it was purchased. Keep the shipping carton and all packing material for the transportation company to inspect. The original carton and packing material should be retained for repackaging should it be necessary to return the receiver. Ins

44、pect the packing material for any accessories or printed material before storing the box. LOCATION - Location is not critical. For fixed locations, the SW1 should be operated from the AC Adaptor. Keep curtains and other flammable material away from direct contact with the AC Adaptor to avoid overhea

45、ting the transformer which could result in failure or fire. FIXED INSTALLATION - After unpacking the unit, connect the antenna system to the appropriate antenna input. Connect system ground to the screw terminal marked ?GND?. Plug the output cable of the AC Adaptor into the ?POWER INPUT? connector o

46、n the rear panel of the receiver. Plug the AC Adaptor into a source of 120 VAC, 60 Hz power. Refer to Figure 2 for the diagram of a typical fixed installation. ANTENNA REQUIREMENTS - Basic type Connect a single wire lead-in to the ?50 Ohm? screw terminal on the rear panel of the receiver. This ?lead

47、- in? wire and antenna can simply be one end of the supplied 30 foot piece of wire. The wire can be distributed along an attic, out the window, or across the room, for example. The end that connects to the ?50 Ohm? screw terminal must have its insulation stripped back so that a good electrical conne

48、ction is made between the wire and the screw terminal. Alternatively, a 50 Ohm coaxial cable feedline from a dipole, vertical or beam type antenna should be connected to the rear panel ?50 Ohm? SO-239 coaxial type antenna connector. A mating PL-259 connector on the receiver end of the coaxial cable

49、is required, in this case. NOTE: Disconnect the AC Adaptor and antenna wire from the receiver if the unit will not be used for an extended period of time or if a weather storm contain- ing damaging lightning is likely. OPERATION FROM 12 VDC VEHICLE SUPPLY - Observe proper polarity connection between the vehicle lighter or accessory socket and the coaxial DC power plug (5.5 mm O.D., 2.1 mm I.D.) which is intended for c