LCD2041-R Matrix Orbital, LCD2041-R Datasheet - Page 33

• Manufacturer Part Number: LCD2041-R
• Description: LCD Character Display Modules Black Background Red Text
• Manufacturer: Matrix Orbital

7.4 Set Startup GPO state
8 Display Functions
8.1 Introduction
screen, changing the brightness and contrast or setting timers for turning it on or off. The combination of
these allow you complete software control over your display’s appearance.
8.2 Display On
Matrix Orbital
The LCD0821 employs software controlled display settings, which allow for control over, clearing the
Description
Remembered
Syntax
Parameters
Description
Remembered
Syntax
Parameters
This command turns ON general purpose output [num]. The standard
GPO’s on the LCD0821 output 20mA of current at 5V.
NOTE ON means the output is pulled LOW.
Yes
This command will set the startup state for the GPO on the next power
up. A value of one will cause the GPO to be off on the next startup
while a value of one will cause the GPO to be on.
NOTE This command does not affect the current state of the GPO.
Always
Hexadecimal
Decimal
Parameter
Num
state
Hexadecimal
Decimal
ASCII
Parameter
min
0xFE 0xC3 [Num] [state]
254 195 [Num] [state]
0xFE 0x42 [min]
254 66 [min]
254 “B” [min]
LCD0821
Length
Length
1
1
1
Description
GPO number.
Startup state (0: Off, 1: On)
Description
Minutes before turning the display
on (0 to 90).
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