User manual TRIMBLE HV301
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Manual abstract: user guide TRIMBLE HV301
Detailed instructions for use are in the User's Guide.
[. . . ] By pressing the speed/rotation button 3 the unit is set into rotation mode. Pressing the button again, rotation speed will toggle through 600, 200, 80, 10 and 0 min-1. At 10 rpm a small laser line will increase visibility of the rotating beam. When pressing the buttons on the keypad, the unit may temporarily become out of level due to its high accuracy. [. . . ] To ensure job-site accuracy, you need a distance of 20 m (65 feet) between two walls A and B, where you will execute 4 measuring operations on a tripod as follows (transit measurement). Set the unit horizontally on a tripod near wall A and switch it on with the plus-X-axis pointing towards wall A. After the unit is level, mark the height of the laser spot at the centre of the beam at wall A. Turn the entire unit 180°, let it self-level and mark the center of the laser spot at wall B. Now, place the unit near wall B with the plus-X-axis pointing towards wall B. After the unit is level, mark the height of the laser spot at the centre of the beam at wall B. Turn the entire unit 180°, let it self-level and mark the center of the laser spot at wall A. The difference (h) of the marked points at wall A shows the deviation. If the unit is within its working accuracy limits (± 30"), the maximum difference from true level at 20 m (65 ft. Repeat the above steps for "minus x" and for "plus-" and "minus y", so that a measurement for all four axes of the unit have been performed. If the visibility of the laser beam is bad, you can use a detector to transfer the heights to the walls. Then either turn the prism manually to the desired area or use one of the rotation modes. When working without a tripod or wallmount, put the instrument on a stable base and measure the height difference between laser beam and desired height by using a ruler. After turning the prism to the desired area, mark the measured height again. In order to measure irregularities, create right angles, align partitions in right angles or to mark vertical lines, the direct beam (plumb beam) has to be adjusted parallel which means the laser beam has to be placed in the same offset distance to a wall or any other reference line. Therefore place and align the unit in vertical mode, so that the beam runs roughly in parallel to a wall or other reference line. Measure the distance between the beam and the wall near the unit and at a certain distance. To adjust the beam in parallel, press the line button 4 or 5 to realize the same offset distance at the unit and far away. Just position the unit so that the beam runs directly above the joint. Set up the unit in vertical mode so that the perpendicular beam is parallel to a reference line (e. The rotating laser beam is now at a right angle from your original point and as a vertical area available. In order to transfer a marked point from the bottom to the ceiling, there are center marks 13 at the lower part of the unit's housing. [. . . ] ± 1 mm/10m, 1/8" @ 100 ft, 20 arc seconds 4 speed levels appr. 9 lbs) flashing/shining of the battery indicator unit shuts off We Trimble Kaiserslautern GmbH declare under our sole responsibility that the product HV301 to which this declaration relates is in conformity with the following standards EN 61000-4-2, 1994; EN 55022, 1994; EN 61000-4-3, 1997 following the provisions of directive Electromagnetic compatibility 89/336/EEC. This digital apparatus does not exceed the Class B Limits for radio noise for digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Operation is subject to the condition that this device does not cause harmful interference. [. . . ]
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