I know a few police officers that used to run dogs, i took my mate for a pup once and the same bloke pulled me over 2 weeks later for no license or insurance, he let me go that time but i eventually got caught and banned (i deserved it)
Start it off at the deepest setting when you hear the click, turn the dial so it's not as deep and it should be clicking continuosly when you are on top of it then turn it down again and it will tell you the depth
Let it chase some above ground and it will start going in by itself, 10 months is still to young though although some terriers do enter early. The youngest i've had a terrier to ground was a year old at the end of a dig
Cracking pictures Andy, Pencoed hunter the season should start back up at the end of september unless there is still too many young ones about or the famer is getting plagued by them then get out there and do it for pest control although there is more lie ups with young to ground but it's worth the digging to keep the farmer happy
Welcome to the site mate, how are you shooting is it free standing or resting on something, as if your resting on something a springer can jump causing accuracy problems