Radio Shack DX-398 Owner's Manual

19If you set STEP to FAST, the tuning in-crements are the same as when youpress TUNING or . If you selectSLOW, the tuning increments aresmaller 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 moreinformation, see “Tuning SSB Sta-tions” on Page 25.If you set STEP to STOP, turning MAN-UAL TUNING has no effect at all, soyou cannot accidentally change thefrequency.Note: Setting STEP to STOP locks onlyMANUAL TUNING. For informationabout locking the front panel buttons,see “Locking the Controls” onPage 15.Direct Access TuningFollow these steps if you know a sta-tion’s frequency and want to directlytune to that station.1. Press F/FREQ. The frequency dis-play disappears and FREQflashes for about 30 seconds.2. Use the number keys and • toenter the frequency, then pressENTER .Notes:• If you wait more than 30 sec-onds to press a button, the pre-vious frequency returns to thedisplay. Begin again at Step 1.• If you make a mistake, press C(cancel) to erase the last digit,then enter the correct digit.Scan TuningTo automatically tune up or down tothe next active frequency in the select-ed band, hold down TUNING orfor about 1 second. The receiverscans up or down the selected bandand tunes to the first frequency it findswith a strong signal.To scan for an SW (shortwave) fre-quency in one of the 14 meter bands,press SW, press the number buttonwith the meter range you want to scan,then press TUNING or to scanthe band.Band Fast SlowFM 0.1 MHz 0.05 MHzLW 9 kHz 1 kHzMW 9/10 kHz 1 kHzSW 5 kHz 1 kHzAM Modeset to USBor LSB1 kHz 40 Hz