Matrix Orbital VK204-25 Legacy - Manual (Page 38)

connector. The keypad is scanned whenever a key is pressed;there is no continuous key scan. This means
that key presses are dealt with immediately without any appreciable latency. This also prevents electrical
noise which is often caused by continuous key scans.
9.2 Auto Transmit Key Presses On
Syntax Hexadecimal 0xFE 0x41
Decimal 254 65
ASCII 254 “A”
Description In this mode, all key presses are sent immediately to the host system
without the use of the poll keypad command. This is the default mode
on power up.
Remembered Yes
Default On
9.3 Auto Transmit Key Presses Off
Syntax Hexadecimal 0xFE 0x4F
Decimal 254 79
ASCII 254 “O”
Description In this mode, up to 10 key presses are buffered until the unit is polled by
the host system, via the poll keypad command 254 38. Issuing this
command places the unit in polled mode.
Remembered Yes
9.4 Poll Key Press
Syntax Hexadecimal 0xFE 0x26
Decimal 254 38
ASCII 254 “&”
Matrix Orbital VK204-25-USB 34