Radio Shack Dx-390 Owners Manual Today

This is the heart of the DX-390's advanced capabilities. The Beat Frequency Oscillator (BFO) is used to "un-scramble" SSB voice transmissions.

150 kHz – 29,999 kHz (Continuous) and FM 87.5 – 108 MHz. radio shack dx-390 owners manual

Press the M (Memory) button. The memory icon will flash on the LCD screen. This is the heart of the DX-390's advanced capabilities

Located on the right-hand side, used for fine-tuning frequencies or scrolling through channels. radio shack dx-390 owners manual

Replace the internal 3 AA memory backup batteries.