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For example, if CFM and CAL DATA are pressed together the LCD will look like this:
The colon is a useful indicator for the correct position of squares.
Note
A maximum of two keys may be pressed simultaneously to be properly recognized.
To exit the keyboard test procedure press LCD, CAL and SETUP simultaneously.
EEPROM SELFTEST
The EEPROM selftest procedure involves verifying the stored EEPROM checksum. If the
checksum is correct the “Stored data good” message will be shown for a few seconds
before exiting selftest procedure.
If not, the message “Stored data error - Press
to reset stored data or
to ignore”.
