Matrix Orbital LK202-24-USB User Manual
Page 33
![background image](/manuals/414378/33/background.png)
7.1.4 Set Contrast and save (254 145[contrast])
This command works in exactly the same way as the "Set contrast" command. The only difference is
that it saves the contrast value in the non-volatile memory of the module, whereas the previous command
only changes the value until the next power down.
7.1.5 Backlight on (254 66[minutes]) (R)
This command turns on the backlight for a time of [minutes] minutes. If [minutes] is zero (0), the
backlight will remain on indefinitely.
NOTE The factory default for backlight is on.
7.1.6 Backlight off (254 70) (R)
This command turns the display off.
7.1.7 Set Backlight Brightness (254 153[brightness])
This command sets the display’s backlight brightness.
7.1.8 Set and Save Backlight Brightness (254 152[brightness])
This command saves [brightness] as default.
7.1.9 Load Startup Screen (254 64 [40 characters])
This command sets and memorizes the startup screen which will appear each time the display is turned
on. By default the screen shows;
Table 20: Default Screen
Matrix Orbital
LK202-24-USB
The 40 characters define the two 20 character rows of the screen.
Matrix Orbital
LK202-24-USB
29