Matrix Orbital VK204-25 Legacy - Manual (Page 45)

10.3 Display Off
Syntax Hexadecimal 0xFE 0x46
Decimal 254 70
ASCII 254 “F”
Description This command turns the backlight off immediately. The backlight will
remain off until a ’Display On’ command has been received.
Remembered Yes
10.4 Set VFD Brightness
Syntax Hexadecimal 0xFE 0x59 [brightness]
Decimal 254 89 [brightness]
ASCII 254 “Y” [brightness]
Parameters Parameter Length Description
brightness 1 Brightness setting (0 to 3).
Description This command sets and saves the display’s brightness to [brightness],
where [brightness] is a value between 0x00
and 0x03 (between 0 and 3) according to the table below:
Value Brightness
0x03 25%
0x02 50%
0x01 75%
0x00 100%
If the remember function is on, this command acts the same as ’Set and
Save VFD Brightness’.
Remembered Yes
Default 255
10.5 Set and Save VFD Brightness
Syntax Hexadecimal 0xFE 0x91 [brightness]
Decimal 254 145 [brightness]
Parameters Parameter Length Description
brightness 1 Brightness setting (0 to 3).
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