Amateur Shortwave Bands (In Mhz); Troubleshooting - Radio Shack DX-402 Owner's Manual

20-230.fm Page 30 Friday, March 24, 2000 9:07 AM

Amateur Shortwave Bands (in MHz)

3.500 – 4.000 80 Meters
10.100 – 10.150 30 Meters
–
18.068 18.168 17 Meters
–
24.890 24.990 12 Meters
ˆ

Troubleshooting

We do not expect you to have any problems with your receiver, but if you have a
problem, the information in this chart might help. If the problem persists, take the
receiver to your local RadioShack store for assistance.
Problem
Weak or intermittent
sound.
Scanning stops on a
frequency that has an
unclear transmission.
30
–
7.000 7.300
–
14.0 14.350
–
21.000
–
28.000
Possible Cause
The internal batteries are
weak.
The antenna needs
adjusting.
The signal is blocked by
metal or concrete.
The frequency is not tuned
properly.
The frequency is not tuned
properly.
The frequency is one of
the receiver's birdie fre-
quencies.
Troubleshooting
40 Meters
20 Meters
21.450 15 Meters
29.700 10 Meters
Suggestion
Check the batteries and
replace or recharge them as
necessary.
Adjust the telescoping antenna
or connect an external
antenna.
Move the receiver near a win-
dow when you use it inside a
vehicle or metal-frame building.
Fine-tune the frequency.
See "Tuning" on Page 13.
Fine-tune the frequency.
See "Tuning" on Page 13.
Tune another frequency.
See "Birdies" on Page 29.