CONTENTS
Warning and Caution Symbols in This Manual ................i
MAINTENANCE......................................................................... iv
1. NOMENCLATURE ...................................................... 1-1
2. PREPARATION .......................................................... 2-1
2-2. Recharging and Connecting the BC-80...................................2-2
2-4. Centering .................................................................................2-8
2-5. Leveling .................................................................................2-10
2-6. Sighting..................................................................................2-11
3. OPERATION ............................................................... 3-1
3-1. Display and Key Functions ......................................................3-1
3-2. Pre-Start ..................................................................................3-7
3-4. Applications ...........................................................................3-32
4. CHECKING AND ADJUSTMENT ............................... 4-1
4-1. Plate Level ...............................................................................4-1
4-2. Circular Level...........................................................................4-1
4-3. Optical Plummet ......................................................................4-2
4-4. Zero Point Errors of Vertical Scale and Holizontal Angle
Corrections ..............................................................................4-3
4-5. Instrument Constant ................................................................4-8
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