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K. Digit Control
Digit control circuit includes micro processor U2(UMC6861), EEPROM IC(24LC04). With t he program, u-P control
all the functions of the monitor. User can control t he functions and all the functions shows on the OSD. The u-P will
mute the video signal whenever the mode changes. There will be difference SW1/SW2 in difference horizontal
frequency, Table 5.1 is the switching table:
Hf < 40 KHz
SW1
SW2
Hf < 58.5 KHz
L
L
Hf > 58.5 KHz
L
H
20
H
H
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