Direct Access Tuning

If you set STEP to FAST, the tuning in- crements are the same as when you

press TUNING Scan Tuning or Manual backgroundManual background . If you select SLOW, the tuning increments are smaller so you can fine tune the fre- quency.

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

1 kHz

40 Hz

set to USB

 

 

or LSB

 

 

 

 

 

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 Manual backgroundManual background .

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 Manual background or Manual backgroundManual background 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 Manual background or Manual backgroundManual background to scan the band.

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Image 19
Radio Shack DX-398 owner manual Direct Access Tuning, Scan Tuning