Matrix Orbital GLT240128 Legacy - Manual (Page 45)

Syntax Hexadecimal 0xFE 0x8B
Decimal 254 139
Description This command runs a callibration of the touch pad by specifying a
number of points on the screen and prompting the user to press within
them. It can be used to correct any errors noticed in touch pad events. If
calibration is successful, the display will return two bytes, 0xFE and
0x15, to the host, otherwise it will return 0xFE and 0x14.. It is
recommended that this command be used when environmental or user
factors are changed to allow for correct operation.
Remembered Always
10 Display Functions
10.1 Introduction
The GLT24064 employs software controlled display settings, which allow for control over, clearing the
screen, changing the brightness and contrast or setting timers for turning it on or off. The combination of
these allow you complete software control over your display’s appearance.
10.2 Clear Screen
Syntax Hexadecimal 0xFE 0x58
Decimal 254 88
ASCII 254 “X”
Description This command clears the display and resets the text insertion position to
the top left position of the screen defined in the font metrics.
Remembered No
10.3 Display On
Syntax Hexadecimal 0xFE 0x42 [min]
Decimal 254 66 [min]
ASCII 254 “B” [min]
Parameters Parameter Length Description
min 1 Minutes before turning the display
on (0 to 90).
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