1. Log in unit & all contents
2. Initial inspection of equipment
3. Check batteries & voltage
4. Check keypad & display
5. Check lenses
6. Check level vials
7. Check reticle / cross hairs
8. Check scope
9. Check vertical
10. Check horizontal
11.Check distance mode (if available)
12. Check optical plummet
13. Evaluate steps 1 through 12 to clearly diagnose problems & give proper estimate