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5-4 SOFTWARE FLOW CHART
I. Power-On Subrotine CHART
OK
IF not same, overwrite the data with backup value.
Initial GMZAN1
Yes
Initial MCU I/O, Interrupt vector & Ram
Initial 1.POC (backlight counter)
2. Clr all mode value
Yes
Check if in Factory mode?(when power-on,press the
MENU Button will be in FACTORY mode)
SET factor
y
mode fla
g
Check Previous power-switch status from Eeprom, & other system status
MAIN-SUBROTINE LOOP
No
Check Eeprom is empty ?
Clear factor
y
mode fla
g
No