The QB screen is 30 lines by 80 characters wide.
Far more than the traditional 4 line by 20 character LCD that is used with most single chip computers.
A 9 inch by 9 inch VGA monitor could be used for the EFIS. A monitor switch could
switch the monitor to the NAV display if you wish. Very common in high buck glass cockpits.

The QB command to place a number anywhere on the screen is LOCATE Y, X

Here is an example.
EGTR1 = 1700
CLS
LOCATE 15,15:print "EGT ROTAR 1"; EGTR1; "F"

Here is the output picture.

There is a whole range of character size and color options to flag things out of range.

Paul Lamar

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