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Set the tripod and fix the metal shoes firmly into the ground so that the tripod head is as level as possible, and the Tripod head coincides with the station on the ground. Fasten the leg screws. ................ 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... 3 PREPARATION FOR SURVEYING 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 No520, LD PLUM & E VIAL. [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 may come on 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 may come on the ground mark. .. The plumb fixation screw is loosened, and the upper plate is pushed by the tip of a finger, and a central mark is matched to the ground mark. .. Tighten the plumb fixation screw. .. Loosen the horizontal fixed 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] Neither a state of the surface of ground mark nor a surrounding environmental factor might see the laser spot easily. Please adjust the brightness of the laser if necessary. Metal shoe Contract Instrument Tripod head Base plate Center screw P18 If the Laser key is pushed and the laser plummet key is pushed, it becomes the brightness adjustment screen of the laser plummet device. The screen becomes dark by .. key and becomes bright by .. key 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. .. Even if the brightness of the laser plummet is lightened most under hot weather, it is not easy to check visually it occasionally. In this case, it becomes easy to look the laser position if you make a few shadows with container case or your foot. .. The laser plummet is adjusted to be within ..0.8mm at the instrument height 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. Adjustment LD plumb power DOWN UP DOWN UP ELECTRONIC VIAL T. COMP. TILT LD POINT PLUM.ADJ SENS. P19 3-4 Leveling with Circular vial Tripod is matched according to the following points, and expand and contract and match the vial of the Circular vial to the center of the circle. .. Shorten a leg which is the nearest the inclination of the vial or extend the furthest leg and draw the vial to the center. .. The other one leg is put, and next, expand and contract and put the vial in the center. At this time, the foot is not hung to the ferrule and the position of the ferrule does not shift. 3-5 Leveling with Electronic vial [Electronic vial screen] 1. If the Laser key is pushed, it becomes a display screen in the Electronic vial. 2. It returns to the former screen by the [ESC] key. .. When R-300 instrument is seen at the position of ..Left circle position", the screen in the electronic vial becomes a relation with a correct movement of the vial. Please note that the movement of the vial becomes opposite direction if it sees at the position of ..Right circle position". .. When instrument is within the tilt compensation ra...

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