ikan MR7 - Manual (Page 42)

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8. Program Update Port Instruction
SERIAL PORT is Mini USB Jack type.
It can be used :
1) To update Firmware
2) To measure or adjust color temperature of the monitor
3) To control the monitor by the Wall System Control Program from PC.
These methods might be changed for performance improvement.
Please get help from an expert to update firmware.
Otherwise, monitor defects may result.
● In the case of updating or connecting external equipment, remove the
monitor AC power and turn the power on after connecting external
equipment. It may cause defects if AC power is connected while connecting
external equipment.