Manual

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8.6 File System Commands
In addition to these commands, the mogd.exe program (see section 1.4) is used to download fonts and
graphics to the GLK12232-25-SM.
Table 8-4 File System Commands
Command Syntax Default Notes
Erase file FE B0 [type] [ref]
254 45 [type] [ref]
n/a Erases file in memory. Type = 1 is font, type
= 5 is bitmap. [ref] is reference number.
Purge memory FE 21 59 21
254 33 89 33
n/a Removes all fonts, font metrics, bitmaps
and settings from memory.
Upload bitmap FE 5E [ref] [size] [data]
254 94 [ref] [size] [data]
254 '^' [ref] [size] [data]
n/a Uploads a bitmap to the memory of the
GLK12232-25-SM. See section 6.5.
Upload font FE 24 [ref] [size] [data]
254 36 [ref] [size] [data]
254 '$' [ref] [size] [data]
n/a Uploads a font to the memory of the
GLK12232-25-SM. See section 6.4.
8.7 Miscellaneous Commands
Table 8-5 Miscellaneous Commands
Command Syntax Default Notes
Clear display FE 58
254 88
254 'X'
n/a Clears screen of text and graphics, places text
cursor at top left.
Set contrast FE 50 [contrast]
254 80 [contrast]
254 'P' [contrast]
128 Sets display contrast. Compensates for viewing
angle. Contrast is a value between 0 and 255
(hex 0 to FF). Larger = darker.
Set contrast and save FE 91 [contrast]
254 145 [contrast]
128 Same as "set contrast" but saves [contrast] as
default.
Backlight on FE 42 [minutes]
254 66 [minutes]
254 'B' [minutes]
on Backlight will stay on for [minutes]. If [minutes]
= 0 backlight will stay on permanently.
Backlight off FE 46
254 70
254 'F'
on Turns off backlight.
General purpose
output off
FE 56 [gpo #]
254 86 [gpo #]
254 'V' [gpo #]
off Turns a general purpose output OFF. [gpo #] is
1 for G1 or 2 for G2. See section 2.2 for further
details.