Popular Searches:
A: 1. Hold DOWN and Shift key and power on for a few seconds to enter the KEYPAD FUNCTION MENU, including: Hardware test, Flash data program, Language select, Keypad sw ver, Converter Type Sel.
2, Hardware test: can test whether the button failure and backlight
3, Language selection: you can switch display language
4. Software version: displays the current software version
5, Converter Type Sel.: can select the converter type which the keypad used for
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