LOG-GEN is logic analyser for paralel port. It is possible to monitor and record up to 12 inputs, measure frequency or generete predefined logic sygnals up to 8bits. Functions depend on used SW: https://www.hw.cz/products/lpt_log_gen/index.html#ukazkysw
SW you can obtain on CD with log-gen. Analyser is provided by external X-tal oscil. with output frequency between 2Hz-10MHz in the 63 steps.
You can order CD per 30E.
CD consist of:
logan 2.0
Digitrace
PGV
KA
Parallel
LPT_CLK