Hello knowledgable people, I bought a SIP HG2300DV Mig/Tig/Stick welder last year, doing nicely with it but want to do a bit of Tig, my issue is that the torch is a manual only, no trigger and manual gas flow, ie, there is no facility to set the welder to give me pre and post gas etc and it's strike and lift only. There is a 5 pin socket on the front of the welder but no facility to feed gas through the unit so I've no idea what is meant to plug in there. I've been back to the shop and they never realised that either and are stumped. Does anybody have any ideas please? Delighted with the Mig and stick function, was on my late fathers Triangle from 1963 up to then!