3.3
Language option jumper setting
When the optional serial EEPROM is not equipped on the receiver, the jumper JP2 on the schematic
diagram is used for matrix ID selection. In the case, the Country code value in the HID descriptor table
on chapter is always zero, which indicates not localized. The jumper JP2 must be ON for all non-US
language version keyboards except the keyboards that use US matrix sheet. The jumper JP2 must be
removed for the keyboards that use US matrix sheet, which are currently US and Chinese language
version. When the optional serial EEPROM is equipped on the receiver, the non-US language option
jumper JP2 is ignored.