6.4 How to check firmware version
S1. Power off the monitor, press "Power" and "down key"of navi key at the same time to power on the monitor.
S2. Press any key except power key to show hot key menu, then press hot key1 to enter factory menu. You will see
the firmware version on the screen.
Note: Please pay attention: Don't change any parameter which is measured by precise machine before shipping out.
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