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3 PREPARATION FOR SURVEYING
[For the Shift type laser plummet equipment model]
● Turn on the laser plummet function by pushing the Laser key.
● Match the position by the tripod so that the laser mark coincides with the
ground mark.
● The centering knob is loosened, and the upper plate is pushed by the tip of a
finger, and a center mark is matched to the ground mark.
● Tighten the centering knob.
● Loosen the horizontal clamp screw, and rotate the instrument by 90°, and
confirm the vial of the circular vial is at the center at any position.
Correct the vial with the leveling screw when the vial comes off from the
center.
[Brightness adjustment of laser]
Sometimes the state of the surface of the ground mark or a surrounding
environmental dose not allow observing the laser spot easily. Please adjust the
brightness of the laser if necessary.
If the Laser key is pressed, the brightness
adjustment screen of the laser plummet
device, is displayed.
The Laser plummet becomes dark by , key
and becomes bright by / key
The adjustment is completed with the ENT
key and it returns to electronic vial screen.
ENT
DOWN UP
0
5
10
LD PLUM. POWER ADJ
ENT
DOWN UP
0
5
10
LD PLUM. POWER ADJ
ELECTRONIC VIAL
T.COMP.
ON
30"/1DIV
LD POINT
PLUM ADJ
SENS.
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 21