Matrix-orbital LK162A-4T Manual de usuario descargar pdf (Pagina 22)

Command Summary 18

LED Indicators

The LK162A-4T has 6 General Purpose Outputs which control 3 bi-colour LEDs. Red, green, and orange-

yellow colours can be created using these software controlled GPOs. Odd numbered GPOs control red

while even numbers switch the green aspects of the LEDs, as shown in the table below.

Table 11: LED Output

Colour

GPO

Yellow

Green

Red

Off

4.4 Set LED

Indicators

Dec

Hex

ASCII

254 90

FE 5A

■ Z

Number Colour

v8.0

Immediately sets the state of the specified LED indicator to a specific colour. Temporary unless remember is on.

Number

Byte

LED indicator to be controlled.

Colour

Byte

LED colour state as below.

Table 12: LED Indicator Colour

State

Colour

Off

Green

Red

Yellow

6.5 Keypad

5.1 Auto Transmit

Key Presses On

Dec

Hex

ASCII

254 65

FE 41

■ A

v7.2

Key presses are automatically sent to the host when received by the display. Default is Auto Transmit on.

5.2 Auto Transmit

Key Presses Off

Dec

Hex

ASCII

254 79

FE 4F

■ O

v7.2

Key presses are held in the 10 key buffer to be polled by the host using the Poll Key Press command. Use this

mode for I2C transactions. Default is Auto Transmit on.

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 35 36

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