Dan, didn't know they'd moved to RS232, they used to use a proprietary interface whose spec I have around somewhere. They made a takbox for a while and Tom Benham also made a very expenwive talkbox for they're tools.
I'll check it out and we can buy one. Hopefully they have other tools with RS232 outputs too. not just the angle protractor my guess is that with a bit of fiddling almost any talking note taker etc. with a serial port could be made to read such. gizmos Tom