Radio-shack DX-398 Manuel d'utilisateur télécharger pdf (Page 19)

19

If you set

STEP

to

FAST

, the tuning in-

crements are the same as when you

press

TUNING

or

. If you select

SLOW

, the tuning increments are

smaller so you can fine tune the fre-

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.

If you set

STEP

to

STOP

, turning

MAN-

UAL

TUNING

has no effect at all, so

you cannot accidentally change the

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.

Direct Access Tuning

Follow these steps if you know a sta-

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.

• If you make a mistake, press

C

(cancel) to erase the last 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

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.

To scan for an SW (shortwave) fre-

quency in one of the 14 meter bands,

press

SW

, press the number button

with the meter range you want to scan,

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

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 47 48

Commentaires sur ces manuels

Pas de commentaire