Matrix-orbital LCD2041 Legacy Manual de usuario descargar pdf (Pagina 28)

6.6 Miscellaneous Commands

Table 14: Miscellaneous Commands

Command Syntax Default Notes

Clear display FE 58

254 88

254 ’X’

n/a Clears screen of

text and graphics,

places text cursor

at top left.

Set contrast FE 50 [contrast]

254 80 [contrast]

254 ’P’ [contrast]

0x80128 Sets display con-

trast. Compen-

sates for viewing

angle. Contrast

is a value between

0 and 255 (hex 0

to FF). Larger =

darker.

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 off FE 56 [gpo #]

254 86 [gpo #]

254 ’V’ [gpo #]

off Turns general

purpose output

OFF.

General purpose output on FE 57 [gpo #]

254 87 [gpo #]

254 ’W’ [gpo #]

off Turns general

purpose output

ON.

Read module type FE 37

254 55

254 ’7’

see table This command re-

turns a 1-byte hex

value.

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