Just dumping these videos here, there is some useful info in them - the title will indicate what.
Blog entry 104: Verify BDC
Blog entry 105: Wait for it
Blog entry 106: Reading mirage
Blog entry 107: THLR light steel target
Blog entry 108: Temperature stability
https://www.youtube.com/watch?v=2p5SSx1SV0A[/video]]Blog entry 109: Soft LR proficiency test
https://www.youtube.com/watch?v=NNZAJLd64zE
https://www.youtube.com/watch?v=QTSmRQazmx8
https://www.youtube.com/watch?v=aLfV10Sz2CU
https://www.youtube.com/watch?v=nOteCxV4SOg
https://www.youtube.com/watch?v=lXC07OTJMAg
