Matrix Orbital LK402-25 Legacy - Manual (Page 17)

Description This command sets the I 2 C write address of the module between 0x00
and 0xFF. The I 2 C write address must be an even number and the read
address is automatically set to one higher. For example if the I 2 C write
address is set to 0x50, then the read address is 0x51.
NOTE The change in address is immediate.
Remembered Always
Default 0x50
4.3 Changing the Baud Rate
Syntax Hexadecimal 0xFE 0x39 [speed]
Decimal 254 57 [speed]
ASCII 254 “9” [speed]
Parameters Parameter Length Description
speed 1 Hex value corresponding to a baud
rate.
Description This command sets the RS-232 port to the specified [speed]. The change
takes place immediately. [speed] is a single byte specifying the desired
port speed. Valid speeds are shown in the table below. The display
module can be manually reset to 19,200 baud in the event of an error
during transmission, including transmitting a value not listed below, by
setting the manual override jumper during power up. However, it should
be noted that this command will be ignored until the manual override
jumper is removed again.
Hex Value Baud Rate
53 1200
29 2400
CF 4800
67 9600
33 19200
22 28800
19 38400
10 57600
8 115200
NOTE This command is not available in I 2 C mode.
Remembered Always
Default 19,200 bps
Matrix Orbital LK402-25 13