6 miscellaneous commands – Matrix Orbital LCD2041 Legacy User Manual
Page 28

6.6 Miscellaneous Commands
Table 14: 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]
0x80128
Sets display con-
trast.
Compen-
sates for viewing
angle.
Contrast
is a value between
0 and 255 (hex 0
to FF). Larger =
darker.
Backlight on
FE 42 [minutes]
254 66 [minutes]
254 ’B’ [minutes]
on
Backlight
will
stay on for [min-
utes]. If [minutes]
=
0
backlight
will
stay
on
permanently.
Backlight off
FE 46
254 70
254 ’F’
on
Turns off back-
light.
General purpose output off
FE 56 [gpo #]
254 86 [gpo #]
254 ’V’ [gpo #]
off
Turns
general
purpose
output
OFF.
General purpose output on
FE 57 [gpo #]
254 87 [gpo #]
254 ’W’ [gpo #]
off
Turns
general
purpose
output
ON.
Read module type
FE 37
254 55
254 ’7’
see table
This command re-
turns a 1-byte hex
value.
Matrix Orbital
LCD2041
25
- GTT35 (19 pages)
- GTT50A (53 pages)
- GTT70A (19 pages)
- GTT38A (19 pages)
- GTT43A (19 pages)
- GTT50A (19 pages)
- GTT Example Files (2 pages)
- GX24064 (24 pages)
- GLT24064R-1U (72 pages)
- GLT24064 (71 pages)
- GLT24064 Legacy (56 pages)
- GLK24064-25 Legacy (41 pages)
- GLK24064-25 Legacy (47 pages)
- GLK24064-25 Legacy (68 pages)
- GLT240128 (70 pages)
- GLT240128 Legacy (70 pages)
- GLK12232-25-SM (70 pages)
- GLK12232-25-SM Legacy (41 pages)
- GLK12232-25-SM Legacy (42 pages)
- GLK12232-25-FGW (66 pages)
- GLK19264A-7T-1U (68 pages)
- GLK240128-25 Legacy (67 pages)
- GLC24064 (44 pages)
- GLC24064 (63 pages)
- GLK12232-25-WBL (39 pages)
- GLK19264-7T-1U (71 pages)
- GLK24064-16-1U (48 pages)
- VK162-12 (41 pages)
- LK162-12 Legacy (37 pages)
- LK162-12 Legacy (42 pages)
- LK162A-4T (36 pages)
- LK162B-7T (37 pages)
- VK202-25-USB (42 pages)
- LK202-25 Legacy (20 pages)
- LK202-25 Legacy (37 pages)
- LK202-25 Legacy (50 pages)
- VK204-25 (47 pages)
- LK204-25 Legacy (33 pages)
- LK204-25 Legacy (62 pages)
- LK204-7T-1U (40 pages)
- LK402-25 (43 pages)
- LK402-25 Legacy (56 pages)
- LK404-25 (37 pages)
- LK202-24-USB (36 pages)
- LK202-24-USB (48 pages)