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Matrix Orbital GLK24064-25 Legacy User Manual

Page 43

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Command

Syntax

Default

Notes

Backlight on

FE 42 [minutes]

254 66 [minutes]

254 ’B’ [minutes]

on

Backlight

will

stay on for [min-

utes]. If [minutes]

=

0 backlight

will

stay

on

permanently.

Backlight off

FE 46

254 70

254 ’F’

on

Turns off back-

light.

General purpose output on

FE 56

254 86

254 ’V’

off

Turns the general

purpose

output

ON.

General purpose output off

FE 57

254 87

254 ’W’

off

Turns the general

purpose

output

OFF.

Set I

2

C address

FE 33 [address]

254 51 [address]

254 ’3’ [address]

ox50

Value is write ad-

dress and must be

even, read address

is 1 higher.

Read module type

FE 37

254 55

254 ’7’

see table

Reads the module

type. Returns a 1-

byte hex value.

Set RS-232 port speed

FE 39 [speed]

254 57 [speed]

254 ’9’ [speed]

19,200

Sets

RS-232

speed.

Enter flow control mode

FE 3A [full] [empty]

254 58 [full] [empty]

254 ’:’ [full] [empty]

off

Sets "full" and

"empty"

marks

for the 96 byte

display

buffer.

When

buffer

reaches

[full]

display

will

return 0xFE to

host.

When

buffer

reaches

[empty] display

will return 0xFF.

Exit flow control mode

FE 3B

254 59

254 ’;’

Turns off flow

control

(buffer

handshaking).

Matrix Orbital

GLK24064-25

39