JARLTECH JP8031 series, Operation Manual

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Appendix IV
1. Q : Why is there a period of blank time be-
fore the "beep" indication of successful
programming?
A : The software has to initialize the download
data to keyboard during this period, so please
wait some seconds.
2. Q : Why we can not program this 8031 key-
board through the RS232 port?
A : 1. Check if your connection of hardware is
correct.
2. Check if your setting in 8031 programming
tool is correct.
3. Try to disable the mouse driver. May be
this com port is occupied by an unreliable
mouse driver.
Frequently Asked Questions
Appendix IV
3. Q : How to program a guard key correctly?
A : For Programming a quad key, please program
one of the four keys with data only and disable the
other three keys.
The double-key is set by the same method.