38
scrolling "Display test" message.
The segments are lit for a few seconds and then switched off
before exiting the selftest procedure.
KEYBOARD SELFTEST
The keyboard selftest procedure begins with the message “But-
ton test, press LCD, CAL and SETUP together to escape”. The
LCD will then show only a colon.
As soon as one or more keys are pressed, the appropriate
segments out of 88:88 corresponding to the pressed keys,
will light up on the screen.
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.
