Matrix Orbital GTT70A - Manual (Page 14)

Command Summary 10
2.4 Set Flow
Control Mode Dec
Hex
ASCII 254 58
FE 3A
þ :
FlowControl
FlowControl
FlowControl 2.0
Toggle flow control between hardware and off settings. Default is RTSCTS. Serial command only.
FlowControl Byte Flow control setting, as per eFlowControl values.
Table 12: eFlowControl values
Value Description
0 Off
1 RTSCTS
2.5 Set I2C
Address Dec
Hex
ASCII 254 247
FE F7
ю ч
I2Caddress
I2Caddress
I2Caddress 2.0
Immediately change the I2C write address. Only even values are permitted as the next odd address will become
the read address. Default 8 bit address is 80 decimal (0x50 hex). I2C command only.
I2Caddress Byte I2C write address, must be an even value.
2.6 Echo Dec
Hex
ASCII 254 255
FE FF
ю я
Message
Message
Message 2.0
Echo a string that is sent to the display. This command can be used to test communication or indicate completion
of a successful power up when placed in the autoexec file.
Message ASCII String An arbitrary string that the module will return. Limited to 4KB in length.
Return Message 252 255 Length ReturnMessage
ReturnMessage ASCII String The same arbitrary string originally sent.