OPERATING MANUAL
ROTATING LASER
77R 88R and 88G
Contents
Page
1. About the Instrument – Functions 3
2. Basic Operation 5
3. Manual Grade Mode Operation 7
4. Scan Mode Operation – 88R & 88G 9
5. Vertical Operation – 88R & 88G 10
6. Batteries 11
7. Checking Accuracy 12
8. Trouble Shooting 13
9. Warranty, Service and Care 14
10. Technical Specifications 15
11. Available Accessories 16