RadioLink Electronic Limited
www.radiolink.com
>Push DT1 and DT2 TRIM buttons to the middle at the same time, and then long press the power
button to enter the data copy and upgrade mode. The computer will pop out that a USB drive is
inserted.
② select update mode
> The following four options will appear on the screen, and "USB MODEL" is selected by default.
> Turn DL1 knob to turn the yellow background cursor to “Update the latest”
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