Radio Shack Dx-390 Owners Manual Page

Radio Shack DX-390

The (also known by its original manufacture name, the Sangean ATS-818 ) represents a pinnacle of consumer-grade shortwave listening from the early 1990s. Its owner's manual is more than just a technical guide; it is a gateway to a lost era of global communication, reflecting a time when the world was connected by atmospheric skip and copper wire rather than fiber optics and servers. A Legacy of Global Connection

• Batteries: 4 × AA (UM-3) alkaline or NiMH.
  Battery life: ~15-20 hours alkaline, 8-12 hours NiMH.
• AC Adapter: 6V DC, center negative (e.g., RadioShack 273-1664 or universal adapter set to 6V, negative tip).
  Warning: Using center-positive will damage the radio.
• DC Input: Rear panel 3.5mm DC jack.

Memory Capabilities

: The device could store 45 presets (9 each for FM/LW/MW and 18 for SW), a significant upgrade over its predecessor, the DX-440. The Manual as a Gateway to Exploration radio shack dx-390 owners manual

• Real-time clock with 12/24-hour format
• Sleep timer (up to 120 minutes)
• Dual alarm (radio or buzzer) with programmable weekday/weekend settings — a standout feature
• Snooze function

Sangean ATS-818

(Catalog No. 20-214) is a classic PLL synthesized multiband receiver that remains popular among shortwave enthusiasts for its solid construction and comprehensive frequency coverage. A rebadged version of the , it was sold between 1992 and 1998 as a high-end portable option for monitoring international broadcasts, ham radio, and local stations. Key Specifications Radio Shack DX-390 The (also known by its

• Ease of use: 4.5/5
• Content and organization: 4.5/5
• Technical information: 4/5
• Overall value: 4.5/5

batteries to maintain saved frequencies and the dual-time clock. External Power: Can be powered via a 6V DC adapter (barrel plug). 2. Tuning Methods Batteries: 4 × AA (UM-3) alkaline or NiMH

Specification

| | Description | | --- | --- | | Frequency Range | 150 kHz to 30 MHz | | Modes | AM, FM, USB, LSB | | Tuning Steps | 1 kHz, 10 kHz | | Memory Channels | 100 | | Display | LCD display with frequency, mode, and S-meter readings | | Antenna | Built-in ferrite bar antenna and external antenna jack |