Matrix Orbital VK204-25 Legacy - Manual (Page 42)

Description This command turns the backlight on after the [minutes] timer has
expired, with a ninety minute maximum timer. A time of 0 specifies that
the backlight should turn on immediately and stay on. When this
command is sent while the remember function is on, the timer will reset
and begin after power up.
Remembered Yes
Default 0
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
Matrix Orbital VK204-25-USB 38