LK204-7T-1U-WB-LV Matrix Orbital, LK204-7T-1U-WB-LV Datasheet - Page 47
![no-image](/images/no-image-200.jpg)
LK204-7T-1U-WB-LV
Manufacturer Part Number
LK204-7T-1U-WB-LV
Description
LCD DISPLAY 20X4 I2C/RS232/TTL
Manufacturer
Matrix Orbital
Datasheet
1.LK204-7T-1U-WB.pdf
(67 pages)
Specifications of LK204-7T-1U-WB-LV
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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9.10 Keypad Backlight Off
9.11 Set Keypad Brightness
Matrix Orbital
Description
Remembered
Syntax
Description
Remembered
This command will allow you to reassign the key codes that correspond
to the key presses on the matrix style key pad. The first 9 bytes that are
transmitted will be used for the key down codes and the next 9 bytes
that are transmitted will be used for the key up codes.
For the above diagrams the mapping is as follows:
Row 1, Column 1 = byte 1
R1, C2 = byte 2
R1, C3 = byte 3
R2, C1 = byte 4
R2, C2 = byte 5
R2, C3 = byte 6
R3, C1 = byte7
R3, C2 = byte 8
R3, C3 = byte 9
NOTE * not mapped to a physical key on the attached keypad.
Always
This command turns the keypad backlight OFF.
Yes
Hexadecimal
Decimal
0xFE 0x9B
254 155
LK204-7T-1U
42
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