Matrix Orbital VFD2041 Legacy - Manual (Page 20)

VFD2041 rev 2 20
5. Miscellaneous Commands
The commands listed in this chapter don't readily fit in any of the other categories, or are used in more than
one category. Before issuing commands to the VFD2041 please read sections 6.2 and 6.3.
5.1 Command List
5.1.1 Clear display (254 88)
This command clears the display and resets the text insertion point to the top left of the screen.
5.1.2 Set brightness (254 89 [brightness])
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.
Hex Values Brightness
0x00 100%
0x01 75%
0x02 50%
0x03 25%
Lighting conditions will affect the actual value used for optimal viewing. Brightness is set to 100% by
default.
5.1.3 Display on (254 66 [minutes])
This command turns on the display for a time of [minutes] minutes. If [minutes] is zero (0), the display will
remain on indefinitely. Note: the factory default for display is on.
5.1.4 Display off (254 70)
This command turns the display of the VK204-25 off.
5.1.5 General purpose output off (254 87)
This command turns OFF the General Purpose Output (see section 2.3 for a description of the GPO). OFF
means that the "–" side of the output floats.
5.1.6 General purpose output on (254 86)
This command turns ON the General Purpose Output. ON means that the output is pulled low (ground via
240 ohms).