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3 display off, 4 set brightness, 5 set and save brightness – Matrix Orbital LK402-25 Legacy User Manual

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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 Brightness

Syntax

Hexadecimal

0xFE 0x99 [brightness]

Decimal

254 153 [brightness]

Parameters

Parameter

Length

Description

brightness

1

Display brightness setting (0 to
255).

Description

This command sets the display [brightness]. If the remember function is
on, this command acts the same as ’Set and Save Brightness’.

Remembered

Yes

Default

255

10.5

Set and Save Brightness

Syntax

Hexadecimal

0xFE 0x98 [brightness]

Decimal

254 152 [brightness]

Parameters

Parameter

Length

Description

brightness

1

Backlight setting (0 to 255).

Description

This command sets and saves the display [brightness] as default.

Remembered

Always

10.6

Set Contrast

Syntax

Hexadecimal

0xFE 0x50 [contrast]

Decimal

254 80 [contrast]

ASCII

254 “P” [contrast]

Parameters

Parameter

Length

Description

contrast

1

Contrast value (0 to 255).

Matrix Orbital

LK402-25

36