[WT-support] LPT pins for SO2R

[HA3LN]

Hi,

I've just started to play with the idea to scratch a so2r box using LPT.
I have USB to LPT converter as the laptop has USB ports only.

Active radio A/B, CW/PTT control is OK.
Pin 4 takes care of switching between the RX A/B but
how can I choose for the R1R2 stereo in the same time?
I see pin 5/9 is responsible for stereo but how this works?

I read through the wiki several times but it's still not clear.


Thanks in advance.

73!
Csaba  HA3LN