Radio Shack Dx-390 Owners Manual - |work|
: 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
Automatically searches for the next strongest available signal.
Press the (Memory Write) button. The memory indicator on the display will flash. radio shack dx-390 owners manual
Open the primary battery door and insert 6 'D' size batteries, observing correct polarity. Alternatively, connect a 6V DC regulated power adapter to the side jack. Note: Ensure the adapter is center-pin negative, as using the wrong polarity can permanently damage the microprocessor. Set the Clock: With the radio turned off, press the TIME SET button.
AM, Wide/Narrow FM, and Single Sideband (SSB) via a dedicated BFO (Beat Frequency Oscillator). : Includes a 1/8” mini-jack for SW/AM external antennas
"Fast" moves through bands quickly, while "Slow" lets you fine-tune weak signals down to 1 kHz increments. Method 3: Automatic Scanning Select your desired band (AM, FM, or SW).
Direct keypad entry, manual tuning knob, and auto-scan. Press the (Memory Write) button
Radio Shack DX-390 (catalog number 20-214) is a versatile, high-performance portable world band receiver that covers FM, LW, MW, and SW frequencies. Known for its sensitivity and digital tuning, it remains a favorite for shortwave enthusiasts.
Sliding potentiometers control master volume and overall treble/bass balance.
The DX-390 is not a unique design but rather a highly-regarded "rebadge" of the . Understanding its lineage and competitors can help you appreciate its place in radio history.