WHERE
TO
FIND
THEM
1 CIRCULAR LEVEL
Used for coarse leveling of the aiming circle.
2 TUBE LEVEL (ONE OF TWO)
Used for fine leveling of the aiming circle.
3 COVER
Rotate cover to open or close.
Protects the tube level vial from possible breakage.
4 LEVELING SCREW KNOB (ONE OF THREE)
Used to center the bubble in the tube level and circular level.
Clockwise raises, counterclockwise lowers instrument.
