Matrix Orbital GLK19264A-7T-1U - Manual (Page 46)

Command Summary 41
6.12 Display Functions
12.1 Backlight
On Dec
Hex
ASCII 254 66
FE 42
■ B
Minutes
Minutes
Minutes v8.0
Turns the display backlight on for a specified length of time. If an inverse display color is used this command will
essentially turn on the text.
Minutes Byte Number of minutes to leave backlight on, a value of 0 leaves the display on indefinitely.
12.2 Backlight
Off Dec
Hex
ASCII 254 70
FE 46
■ F
v8.0
Turns the display backlight off. If an inverse display colour is used this command will turn off the text.
12.3 Set
Brightness Dec
Hex
ASCII 254 153
FE 99
■ Ö
Brightness
Brightness
Brightness v8.0
Immediately sets the backlight brightness. If an inverse display color is used this represents the text colour
intensity instead. Default is 255.
Brightness Byte Brightness level from 0(Dim) to 255(Bright).
12.4 Set and Save
Brightness Dec
Hex
ASCII 254 152
FE 98
■ ÿ
Brightness
Brightness
Brightness v8.0
Immediately sets and saves the backlight brightness. Although brightness can be changed using the set command,
it is reset to this saved value on start up. Default is 255.
Brightness Byte Brightness level from 0(Dim) to 255(Bright).
12.5 Set
Backlight Colour Dec
Hex
ASCII 254 130
FE 82
■ é
Red Green Blue
Red Green Blue
Red Green Blue v8.0
Set the colour of a tri-colour backlight. Only for tri-colour displays. Default is white (255, 255, 255).
Red Byte Brightness level of Red from 0(Dim) to 255(Bright).
Green Byte Brightness level of Green from 0(Dim) to 255(Bright).
Blue Byte Brightness level of Blue from 0(Dim) to 255(Bright).
12.6 Set
Contrast Dec
Hex
ASCII 254 80
FE 50
■ P
Contrast
Contrast
Contrast v8.0
Immediately sets the contrast between background and text. If an inverse display color is used this also represents
the text brightness. Default is 128.
Contrast Byte Contrast level from 0(Light) to 255(Dark).