Radio Shack DX-398 ユーザーズマニュアル
19
If you set
STEP
to
FAST
, the tuning in-
crements are the same as when you
press
press
TUNING
or
. If you select
SLOW
, the tuning increments are
smaller so you can fine tune the fre-
quency.
quency.
Note: You can tune standard AM, up-
per sideband (USB), and lower side-
band (LSB) frequencies. For more
information, see “Tuning SSB Sta-
tions” on Page 25.
per sideband (USB), and lower side-
band (LSB) frequencies. For more
information, see “Tuning SSB Sta-
tions” on Page 25.
If you set
STEP
to
STOP
, turning
MAN-
UAL
TUNING
has no effect at all, so
you cannot accidentally change the
frequency.
frequency.
Note: Setting
STEP
to
STOP
locks only
MANUAL
TUNING
. For information
about locking the front panel buttons,
see “Locking the Controls” on
Page 15.
see “Locking the Controls” on
Page 15.
Direct Access Tuning
Follow these steps if you know a sta-
tion’s frequency and want to directly
tune to that station.
tion’s frequency and want to directly
tune to that station.
1. Press
F/FREQ
. The frequency dis-
play disappears and
FREQ
flashes for about 30 seconds.
2. Use the number keys and
•
to
enter the frequency, then press
ENTER
.
Notes:
• If you wait more than 30 sec-
onds to press a button, the pre-
vious frequency returns to the
display. Begin again at Step 1.
vious frequency returns to the
display. Begin again at Step 1.
• If you make a mistake, press
C
(cancel) to erase the last digit,
then enter the correct digit.
then enter the correct digit.
Scan Tuning
To automatically tune up or down to
the next active frequency in the select-
ed band, hold down
the next active frequency in the select-
ed band, hold down
TUNING
or
for about 1 second. The receiver
scans up or down the selected band
and tunes to the first frequency it finds
with a strong signal.
and tunes to the first frequency it finds
with a strong signal.
To scan for an SW (shortwave) fre-
quency in one of the 14 meter bands,
press
quency in one of the 14 meter bands,
press
SW
, press the number button
with the meter range you want to scan,
then press
then press
TUNING
or
to scan
the band.
Band
Fast
Slow
FM
0.1 MHz
0.05 MHz
LW
9 kHz
1 kHz
MW
9/10 kHz
1 kHz
SW
5 kHz
1 kHz
AM Mode
set to USB
or LSB
1 kHz
40 Hz