Matrix Orbital VK202-25 Legacy - Manual (Page 30)

6.1.3 Set brightness (254 89 [brightness]) (R)
This command sets the display’s brightness to [brightness], where [brightness] is a value between 0x00
and 0x03 (between 0 and 3) according to the table below.
Table 12: Brightness Settings
Hex Values Brightness
0x00 25%
0x01 50%
0x02 75%
0x03 100%
Lighting conditions will affect the actual value used for optimal viewing. Brightness is set to 100% by
default. Brightness cannot be ’remembered’ and must be set each time a change is required.
6.1.4 Set brightness and Save (254 145 [brightness]) (R)
This command sets the display’s brightness to [brightness] and saves it on subsequent power ups, where
[brightness] is a value between 0x00 and 0x03 (between 0 and 3) according to the table , “Brightness Set-
tings” as seen above.
6.1.5 Display on (254 66 [minutes]) (R)
This command turns on the display for a time of [minutes] minutes. The maximum value of [minutes] is
100. If [minutes] is zero (0), the display will remain on indefinitely.
6.1.6 Display off (254 70) (R)
This command turns the display off.
6.1.7 Load startup screen (254 64 [40 characters])
This command sets and memorizes the startup screen that will appear each time the display is turned on.
By default the screen shows:
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