If you have a Laser Technology BT360B laser rangefinder
and you are using FAST Survey (or SurvCE) you can connect the rangefinder to your data collector and automatically take offset shots with the distance, bearing and dZ filled in.
But setting up the Bluetooth can be tricky. Here are detailed instructions: [ ConnectingFASTSurvey_to_LTI_TruPulse360B ] …
iG GPS 
Ha ha
I hope if I’m ever in that situation I’d be able to think that quickly