Even with a portable manual, users encounter glitches. Here is the official troubleshooting guide synthesized from the .
Keep the radio at least 2.5 cm from your face when transmitting. Use only approved antennas and batteries. dxar8108 radio user manual portable
Connect the provided USB cable to a 5V power source. Even with a portable manual, users encounter glitches
: Many digital portables allow you to use the "Mode" or "Menu" buttons to toggle between bandwidths (1kHz to 6kHz) to improve signal clarity on crowded Shortwave bands. How To Use Portable Two Way Radios | Radiotronics Even with a portable manual
: It covers a wide range of frequencies, including standard AM/FM, Longwave (LW), Shortwave (SW), and a specialized Aviation (AIR) band (118-137 MHz).