Matrix Orbital PK202-24-USB User Manual
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7.1.6 Display off (254 70) (R)
This command turns the display off.
7.1.7 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
PK202-24-USB
The 40 characters define the two 20 character rows of the screen.
Table 21: Default Screen
Character 1
Character 20
Character 21
Character 40
If sending more then 10 characters to be stored, add in ~10ms per character delay. Predefined custom
characters can be used in the “Startup screen” as well, by using 0x00 through 0x07 characters.
7.1.8 Read Module Type (254 55)
This command will return the model type value of the module as a 1 byte hex value. Values for various
modules at the time of this publication are as follows;
Table 22: Module Values
LCD0821 - 0x01
LCD2021 - 0x03
LCD2041 - 0x05
LCD4021 - 0x06
LCD4041 - 0x07
LK202-25 - 0x08
LK204-25 - 0x09
LK404-55 - 0x0A
VFD2021 - 0x0B
VFD2041 - 0x0C
VFD4021 - 0x0D
VK202-25 - 0x0E
VK204-25 - 0x0F
GLC12232 - 0x10
GLC24064 - 0x13
GLK24064-25 - 0x15
GLK12232-25 - 0x22
LK404-AT - 0x31
LK402-12 - 0x33
LK162-12 - 0x34
LK204-25PC - 0x35
LK202-24-USB-0x36
VK202-24-USB - 0x37
LK204-24-USB - 0x38
VK204-24-USB - 0x39
PK202-24-USB-0x42
Matrix Orbital
PK202-24-USB
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