Matrix-orbital LK204-24-USB Manual do Utilizador descarregar pdf (Página 42)

Command Syntax Default Notes

Remember GPO / PWM

state

FE C2

254 195

n/a This command

will set the start

up state for all the

GPOs.

Set PWM base frequency

(New in Firmware Revi-

sion 1.1)

FE C4 [index]

254 196 [index]

6 This command

sets the base

frequency for the

PWM modula-

tion.

Remember PWM base fre-

quency

(New in Firmware Revi-

sion 1.1)

FE C5 [index]

254 197 [index]

6 This command

will set the PWM

frequency for

startup.

8.8 Miscellaneous Commands

NOTE The letter “R” in the default column indicates that this state can be saved to non-

volatile memory with the “Remember” command.

Table 34: Miscellaneous Commands

Command Syntax Default Notes

Remember FE 93 [0|1]

254 147

off Turns the “re-

member” func-

tion on [1] or off

[0].

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]

0x80

128

Sets display con-

trast. Compen-

sates for viewing

angle. Contrast

is a value between

0 and 255 (hex 0

to FF). Larger =

darker.

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