Dxar8108 Radio User Manual Portable May 2026

To maximize portability, the manual recommends:

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.

RF Exposure: Keep the radio at least 2.5 cm from your face when transmitting. Use only approved antennas and batteries.

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The (often identified in consumer markets as the Go to product viewer dialog for this item. or SIHUADON R-108 Go to product viewer dialog for this item.

) is a highly portable, multi-band digital radio receiver designed for wide-spectrum listening. It is particularly noted for its coverage of the 108 MHz Airband, alongside standard FM, AM (MW), LW, and SW frequencies. 1. Key Specifications & Hardware

The radio is built for extreme portability and high-fidelity reception. dxar8108 radio user manual portable

Frequency Bands: FM (87.5–108 MHz), MW, LW, SW, and the specialized Airband.

Dimensions: Approximately 5.0" x 1.2" x 3.0", weighing roughly 5 ounces.

Power Source: Operates on a single BL-5C rechargeable Lithium-Ion battery, charged via a micro-USB or USB-C interface.

Audio Features: Includes a built-in speaker, a 3.5mm headphone jack for stereo output, and DSP (Digital Signal Processing) for noise reduction. 2. Operational Guide

Standard operation involves a combination of manual and automated tuning features.

Powering On: Use the power button to activate the LCD display, which shows the time, temperature, and frequency. Station Searching: To maximize portability, the manual recommends: This device

Manual: Use the tuning knob or up/down buttons for precise frequency selection.

Auto-Tuning Memory (ATS): Press and hold the "BAND" button to automatically scan for strong signals and store them into memory.

Band Selection: Cycle through FM, LW, SW, MW, and Airband by pressing the corresponding band button.

Bandwidth Control: For AM/SW/Airband, you can select between Broadband (for better audio quality) or Narrowband (to reduce interference from adjacent channels). 3. Advanced Functions

Alarm & Sleep Timer: The radio can be set to wake you via a buzzer or a specific radio station. A sleep timer is also available for automatic shut-off.

Anti-Interference Switch: A dedicated switch helps adapt the receiver to environments with high radio interference. Need support

Memory Storage: Users can manually store stations that ATS might miss due to lower signal strength. 4. Maintenance & Safety

To ensure the longevity of your portable unit, follow these basic care steps:

Charging: Always use the provided cable; the device should ideally be powered off during charging.

Environmental Protection: The unit is typically not water-resistant; avoid exposing it to direct sunlight for extended periods or high-moisture areas.

Antenna Care: Do not use the radio with a damaged antenna, as this can impact reception quality and potentially cause minor burns during transmission in two-way models (though the R-108 is primarily a receiver).

Cleaning: Use a soft, dry cloth for the exterior and a pencil eraser to clean battery contacts if they become corroded. Troubleshooting Common Issues user manual - Hytera

Do not charge the radio for the first time for more than 5 hours, even if the light turns green.

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