Owner manual

Syntax
Hexadecimal 0xFE 0x91 [brightness]
Decimal 254 145 [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%
Remembered Always
11 Data Security
11.1 Introduction
Ensuring that your VK204-25-USB display’s exactly what you want it to can be the difference between a
projects success and failure. This is why we incorporate features such as Data Lock into the VK204-25-USB
With this new feature you now are in control over of how and when settings will be changed so there is no
need to worry about the module acting exactly like you expected it to because all the settings may be locked
and remembered for the next power up.
11.2 Set Remember
Syntax
Hexadecimal 0xFE 0x93 [switch]
Decimal 254 147 [switch]
Parameters
Parameter Length Description
switch 1 0: Do not remember, 1: Remember
Matrix Orbital VK204-25-USB 39