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5 piezo buzzer – Matrix Orbital LK162B-7T User Manual

Page 23

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Command Summary

LED Indicators

The LK162B-7T 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 12: LED Output

Colour GPO

O

GPO

E

Yellow

0

0

Green

0

1

Red

1

0

Off

1

1

4.4 Set LED
Indicators

Dec
Hex
ASCII

254 90

FE 5A

■ Z

Number Colour
Number Colour
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 13: LED Indicator Colour

State

Colour

Off

0

Green

1

Red

2

Yellow

3

6.5 Piezo Buzzer

5.1 Activate Piezo
Buzzer

Dec
Hex
ASCII

254 140

FE 8C

■ î

Time
Time
Time

V7.2

Activates a 500Hz buzz from the onboard piezo buzzer for a specified length of time.

Time

Byte

Duration of the beep in 100 millisecond increments.

5.2 Set Keypad
Buzzer Beep

Dec
Hex
ASCII

254 182

FE B6

Setting
Setting
Setting

V7.2

Set activation of a 50ms buzz when specific keypad events occur.

Setting

Byte

Keypad event(s) that trigger a 50ms buzzer beep as shown below. Default is 0.

Table 14: Keypad Buzzer Beep Settings

Setting

Description

0

No Buzz

1

Buzz on Key Press

2

Buzz on Key Release

3

Buzz on Press and Release