Drake Sw1 Am Shortwave Receiver Owners Manual

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 

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 should 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...

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 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
     Basic Antenna Connection...

4     Specifications / Optional Accessory
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:
DC Power
Requirements:100 - 30,000 kHz, AM mode only
Less than 2.0 mV, 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...

RF
GAIN
TUNING123
4
7
CLEAR
56
89
0MEM
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 that either AC or DC power
is applied to the receiver....

GND A N T E N 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 responsible 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...

GND A N T E N N AP O  W E R
I N P U T
+12 VDC
         OR

  12 VAC
     400 mA
- - -
5050
Installation contd.     7
RANDOM LENGTH WIRE
ANTENNA INSTALLATION
For general broadcast and shortwave listening, an
outside random-length wire antenna can be used.
Figure 3 shows a typical random-length wire antenna
installation.  The length of the wire may be from 30 to
100 feet. Attach and solder the lead-in to one end of
the antenna.  Connect the other end of the lead-in wire
to the ‘50W’ screw terminal on...

RF
GAIN
TUNING123
4
7
CLEAR
56
89
0MEM
STORE MEM
RCL
ENTERVOLUME
SW1 Shortwave Receiver
MEMORY MODEPOWER
8     Getting Started
                                       RF GAIN        VOLUME       NUMERIC KEYPAD       POWER      TUNING BUTTONS    TUNING WHEEL
FIGURE 4
Meter: The term meter, as applied to shortwave
listening, refers to the wavelength of a radio frequency.
In many parts of the world, frequencies are listed in
meters, for example, international shortwave stations
in the 19 Meter band....

Getting Started contd.     9
TUNING BUTTONS and TUNING WHEEL
Tuning to a desired frequency can also be accom-
plished by pressing the 
 /  Tuning buttons and/
or turning the Tuning wheel.  The frequency will
change in 5 kHz increments with the  
 /  Tuning
buttons, and will change in 1 kHz increments when
turning the Tuning wheel.
USING THE RF GAIN CONTROL
Maximum receiver sensitivity is obtained with the RF
GAIN control set fully clockwise.  Rotating the control
counterclockwise reduces the receiver...

10     Tuning to AM Shortwave Radio Stations / Troubleshooting
PROBLEM
No front panel displayPROBABLE CAUSE
A) No power applied either by AC
Adaptor or DC source.
B) Defective AC Adaptor or blown
fuse in DC power cable (if DC is
the intended source).
C) Receiver in the power OFF mode.SOLUTION
A) Check that AC Adaptor cable or
DC cable is properly connected to
the rear panel POWER INPUT
connector.  Check that the AC
Adaptor is plugged into a source of
nominal 120 VAC power source.
B) Check the AC Adaptor...