Drake SW1 User Guide

®

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SW1 AM Shortwave Receiver

Owner's Manual

© Copyright 1996 R. L. Drake Co. P/N3851331B-7-1996 Printed in the U. S. A.

SW1 Shortwave Receiver

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is a registered trademark of the R. L. Drake Company

®

MEMORY MODE

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2 Important Safeguards

WARNING: TO PREVENT FIRE OR

ELECTRICAL SHOCK DO NOT EXPOSE

THIS PRODUCT'S AC ADAPTOR TO RAIN OR MOISTURE

¡WARNING!

RISK OF ELECTRIC SHOCK

DO NOT OPEN

TO REDUCE THE RISK OF ELECTRIC

DO NOT REMOVE COVER OF AC ADAPTOR

NO USER-SERVICABLE PARTS INSIDE

REFER SERVICING TO QUALIFIED PERSONNEL

An appliance and cart combination should be moved with care. Quick stops,
excessive force and uneven surfaces may cause the appliance 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 an equilateral triangle is intended to alert the user to
the presence of important operating and maintenance (servicing) instructions in
the literature accompanying the appliance.

WARNING:

TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS PRODUCT'S AC ADAPTOR TO RAIN OR
MOISTURE. DO NOT OPEN THE CABINET, REFER SERVICING
TO QUALIFIED PERSONNEL ONLY.

CAUTION:

TO PREVENT ELECTRIC SHOCK, DO NOT USE THE AC
ADAPTOR WITH AN EXTENSION CORD RECEPTACLE OR OTHER
OUTLET UNLESS THE BLADES OF THE AC ADAPTOR CAN BE
FULLY INSERTED TO PREVENT BLADE EXPOSURE.

ATTENTION:

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 LAISSER AUCUNE
PARTIE A DECOUVERT.

1. Read Instructions—All the safety and operating instructions should be read before the
appliance is operated.

2. Retain Instructions—The safety and operating instructions should be retained for future
reference.

3. Heed Warnings—All warnings on the appliance should be adhered to.

4. Follow Instructions—All operating and use instructions should be followed.

5. Cleaning—Unplug 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 Attachments—not recommended by the manufacturer or they may cause
hazards.

7. Water and Moisture—Do not use this product near water—for example, near a bathtub,
wash bowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool—and the like.

8. Accessories—Do not place this product on an unstable cart, stand, tripod, bracket, or table.
The product may fall, causing serious injury to a child or adult, and serious damage to the
appliance.

9. Ventilation—This 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 manufacturer’s instructions 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 other similar
surface. KEEP CURTAINS AND OTHER FLAMMABLE MATERIALS OUT OF DIRECT

CONTACT WITH THE AC ADAPTOR.

10. Power Sources—This 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 supplied to your home, consult your appliance dealer or local power company.

11. Lightning—For 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 Lines—An outside antenna system 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 may be fatal.

13. Overloading—Do not overload wall outlets and extension cords as this can result in a risk
of fire or electric shock.

14. Servicing—Do not attempt to service this product yourself as opening or removing covers may
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service
personnel.

WARNING:

SHOCK,

15. Damage Requiring Service—Unplug 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.
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 normal operation.

d. If the product has been dropped or the cabinet has been damaged.
e. When the product exhibits a distinct change in performance—this indicates a need for service.

16. Replacement Parts—When replacement parts are required, be sure the service technician

has used replacement parts specified 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 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.

18. Outdoor Antenna Grounding—Before attempting to install this product, be sure the antenna
or cable system is grounded so as to provide some protection against voltage surges and built­up static charges.
a. Use No.10 AWG (5.3mm2) copper, No.8 AWG (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 enters 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 grounding electrode is used.

EXAMPLE OF ANTENNA GROUNDING

ANTENNA

LEAD IN

WIRE

GROUND CLAMP

ELECTRIC
SERVICE
EQUIPMENT

POWER SERVICE GROUNDING

(NEC ART 250, PART H)

ANTENNA

DISCHARGE UNIT

(NEC SECTION 810-20)

GROUNDING

CONDUCTORS

(NEC SECTION 810-21)

GROUND CLAMPS

ELECTRODE SYSTEM

Table of Contents / General Description 3

Thank you for purchasing an SW1 AM Shortwave
Receiver. This receiver has been designed and manu­factured to high quality standards, and will provide
reliable operation for many years.

TABLE OF CONTENTS

Important Safeguards

Table of Contents

General Description

Specifications / Accessories

Front Panel Description

Installation

Unpacking
Location
Fixed Installation

Please carefully read the Owner's Manual in order to
take advantage of the many interesting features that
will provide enjoyable listening to radio broadcasts
around the world.

2

Antenna Requirements
Operation From 12 VDC Vehicle Supply

3

Basic Antenna Connection
Random Length Wire Antenna Installation

3

Getting Started

General Operating Information

4

Direct Frequency Entry
Tuning Buttons and Tuning Wheel

5

Using the RF Gain Control
Memory Store

6
6
6
6

Memory Recall
Tuning to AM Shortwave Radio Stations

Troubleshooting
Warranty

6
6
6
7
8
8
8
9
9
9

9
10
10
11

GENERAL DESCRIPTION

SW1 Shortwave Receiver

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The SW1 is a microprocessor controlled, synthesized,
AM shortwave receiver 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 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

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The RF Gain is adjustable via a front panel control.
Dual antenna input terminals on the rear panel provide
versatile and practical connection 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 which provides 12 VAC
power, or from a nominal 12 VDC power source.

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numeric entry.

4 Specifications / Optional Accessory

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Frequency Range:

Sensitivity:

(10 dB S+N/N)

(1000 Hz, 30% Mod)

Readout Accuracy:

Selectivity:

IF Frequency:

1st IF:

2nd IF:

Step Sizes:

Antenna Inputs:

Headphone Jack:

Supplied AC Adaptor

Wall Transformer:

100 - 30,000 kHz, AM mode only
Less than 2.0 µV, 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

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

Operating

Temperature:

Weight:

Size:

0

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to +500 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)

DC Power

Requirements:

12 VDC nominal at 400 mA

OPTIONAL ACCESSORY:

Plastic Carrying Handle for the SW1.

SW1 Shortwave Receiver

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MEMORY MODE

123

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56

89

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0

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TUNING

MEM
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