Requires four D-cell batteries for main operation and three AA batteries for clock and memory backup. It also accepts a 6V DC adapter (center pin negative). Key Features and Operation
The (catalog number 20-214) is a classic PLL synthesized world-band receiver that remains a favorite among shortwave enthusiasts. Originally manufactured by Sangean and rebadged for Radio Shack and Realistic, this radio is nearly identical to the Sangean ATS-818 .
Direct keypad entry, manual rotary tuning, auto-scan, and memory presets. radio shack dx-390 owners manual
The DX-390 offers comprehensive coverage across the global airwaves:
Use the Narrow filter to reduce interference from adjacent stations on crowded shortwave bands. Setting Up and Initial Tuning YouTube·todderberthttps://www.youtube.com Radio Shack DX-390 Shortwave Radio Daytime AM Requires four D-cell batteries for main operation and
Whether you have recently acquired a vintage unit from an estate sale or have owned one since its 1990s debut, understanding the operational nuances of the owner's manual is key to unlocking its full potential.
Unlike its Sangean counterpart, the DX-390 is optimized for two-way communications. Using the BFO (Beat Frequency Oscillator) switch and fine-tuning knob, you can resolve SSB transmissions from ham radio operators, marine traffic, and aircraft. Originally manufactured by Sangean and rebadged for Radio
The radio can display both local time and UTC (Coordinated Universal Time) , which is essential for tracking international broadcast schedules.
The DX-390 owner's manual highlights several advanced features that were top-of-the-line for a portable of its era:
FM (87.5–108 MHz), MW (520–1710 kHz), LW (150–519 kHz), and continuous SW (1.711–29.999 MHz).