One page often overlooked in the is the antenna specification. The factory antenna is a wide-band compromise for all bands. However, the manual explicitly states: "External antenna max input power: 1 watt (receive only)." This means:
Place the radio in the charging cradle with the power off . The LED on the cradle should turn red. A full charge typically takes 4-5 hours. The manual warns that overcharging (leaving it on the cradle for weeks) can reduce battery lifespan. Once the LED turns green, remove the radio. Dx-ar-8108 Radio User Manual
. While a single, complete English manual for this specific older model can be elusive, its operations and wiring align with other receivers in Norauto's "DX" series, such as the DX-AR-11 BT DX-AR-8071 BT Core Functionality & Controls One page often overlooked in the is the