: Includes a 1/8” mini-jack for SW/AM external antennas. Note that plugging in an external antenna typically disconnects the internal antennas. Operational Tips & Maintenance Radio Shack DX-390 Shortwave Radio Daytime AM
Before diving into operation, understanding the hardware capabilities of the DX-390 helps optimize its performance. LW: 150 kHz – 519 kHz MW (AM): 520 kHz – 1710 kHz SW: 1.711 MHz – 29.999 MHz (Continuous) FM: 87.5 MHz – 108 MHz (Stereo via headphones)
Install into the main compartment for portable operation. Replace the battery cover. Alternative Power Options
Even with the manual, these radios are 30+ years old. Here is how the manual helps you fix three common problems.
A rotary dial for fluidly browsing frequencies.