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Confirm the alignment (horizontal and vertical ) before measuring when performing accurate work like stake out when using the Laser pointer function. Also refer to 10-10. The EDM beam axis. • Please do not look at the laser source of beam directly. 3. PREPARATION FOR SURVEYING 3.1 Centering and leveling of the instrument [Setting up the instrument and the tripod] 2 1 Adjust the tripod legs so that a height suitable for observation is obtained when the instrument is set on the tripod. Hang the plumb bob on the hook of the tripod, and coarse center over the station on the ground. At this time, set the tripod and fix the metal shoes firmly into the ground so that the tripod head is as level as possible, and the plumb bob coincides with the station on the ground. 3 If the tripod head is mis-leveled by the action of fixing the metal shoes into the ground, correct the level by extending or retracting each leg of the tripod. Instrument Base plate Tripod head Center screw Metal shoe Contract 3.2 Laser plummet [Laser plummet model] The laser plummet is not set to be ON at factory shipping. The laser plummet operation of power supply ON can be set by command No 520, LD PLUM & E VIAL. For using Command number, refer to 9-2. Accessing by 007. [For the Detaching type laser plummet equipment model] Turn on the laser plummet function by pushing the Laser key. Match the position with the leveling screw so that the laser mark coincides with the ground mark. [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 LD PLUM. POWER ADJ DOWN 0 UP 10 5 ENT ELECTRONIC VIAL T.COMP. ON 30”/1DIV SENS. LD PLUM. POWER ADJ DOWN 0 UP 10 5 LD POINT PLUM ADJ ENT The adjustment is completed with the ENT key and it returns to electronic vial screen. • The brightness adjustment step of the laser is 10 steps. • The laser plummet spot can become difficult to see in bright sunlight which makes it difficult to perform the occasional check. In this case, use your foot or the carrying case to make a shadow over the laser position. • The laser plummet is adjusted to be within ±0.8mm at the instrument height of 1.5m at factory shipping. • Please confirm the amount of the gap (direction of X and Y direction) with the laser plummet beforehand compared with plumb bomb etc. when working like accurately putting out a perpendicular direction using the laser plummet function. • Please do not look at the laser source of beam directly. 3.3 Optical plummet (Option) [Detachable type] 3 2 1 Look through the optical plummet eyepiece, and rotate the eyepiece knob until the center mark can be seen clearly. Rotate the focusing knob of the optical plummet and adjust the focus to the station on the ground. Rotate the levelling screws and aligh the center mark to the ground mark. [Shift type] 5 4 3 2 1 Look through the optical plummet eyepiece, and rotate the eyepiece knob until the center mark can be seen clearly. Rotate the focusing knob of the optical plummet and adjust the focus on the ground mark. Loosen the centering clamp screw and push the upper plate by finger and stay the center mark on the ground mark. Tighten the centering clamp screw. Loosen the horizontal clamp screw and rotate the instrument every 90° and confirm the Circular vial is centered correctly. If the bubble is not centered, it can be properly set using the leveling screws. 3.4 Leveling with circular vial Tripod is adjusted according to the following points by extending or contracting the legs so that the bubble of the Circular vial goes to the center of the circle. • Shorten the leg at the side of the bubble or extend the leg opposite of the bubble to position the bubble in the center of the vial circle. • All three legs are extended or contracted until the bubble is in the center. During this process, the foot is not placed on the tripod leg point and the position of the tripod points do not change. 3.5 Leveling with electronic vial [Electronic vial screen] If the Laser key is pushed, it becomes a display screen for the Electronic vial. It returns to the former screen by the...

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