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OBJ_BUCH-135-003.book Page 18 Monday, November 26, 2007 2:42 PM Deleting Measured Values Pushing the delete button 1 deletes the last individual measuring value determined in all measuring functions. Pushing the button repeatedly deletes the individual measured values in reverse order. Memory Functions When switching off the measuring tool, the value in the memory is retained. Storing/Adding Measured Values Push the memory add button 3 in order to store the current measured value – a length, area or volume value, depending on the current measuring function. As soon as a value has been stored, “M” is indicated in the display and the “+” behind it briefly flashes. If a value is already stored in the memory, the new value is added to the memory contents, however, only when the measures of unit correspond. As an example, when an area value is in the memory and the current measured value is a volume value, the addition cannot take place. “ERROR” briefly flashes in the display. Subtracting Measured Values Push the memory subtraction button 2 in order to subtract the current measured value from the memory value. As soon as a value has been subtracted, “M” is indicated in the display and the “–” behind it briefly flashes. If a value is already stored in the memory, the new measured value can be subtracted only when the measures of unit correspond (see “Storing/Adding Measured Values”). Displaying the Stored Value Push the memory retrieve button 11 in order to display the value stored in the memory. “M=” is indicated in the display. When the memory contents “M=” is indicated in the display, it can be doubled by pushing the memory add button 3 or set to zero by pushing the memory subtract button 2. Deleting the Memory To delete the memory contents, first push the memory retrieve button 11 so that “M=” is indicated in the display. Then push the delete button 1; “M” is no longer indicated in the display. Working Advice The reception lens 20 and the laser beam outlet 19 must not be covered when taking a measurement. The measuring tool must not be moved while taking a measurement (with the exception of the continuous measurement function). Therefore, place the measuring tool, as far as this is possible, against or on the measuring points. Measurement takes place at the centre of the laser beam, even when target surfaces are sighted at an incline. The measuring range depends upon the light conditions and the reflection properties of the target surface. For improved visibility of the laser beam when working outdoors and when the sunlight is intense, use the laser viewing glasses 22 and the laser target plate 23 (accessories), or shade off the target surface. When measuring against transparent surfaces (e.g. glass, water) or reflecting surfaces, faulty measurements are possible. Also, porous or structured surfaces, air layers with varying temperatures or indirectly received reflections can affect the measured value. These effects are due to physical reasons and can therefore not be excluded by the measuring tool. Sighting with the Alingment Aid (see figure G) With the alignment aid 7, sighting over larger distances is a lot easier. For this, look alongside the aligning aid on the top side of the measuring tool. The laser beam runs parallel to this line of sight. Measuring with the Positioning Pin (see figures B and H) The positioning pin 14 is suitable for measuring out of corners (diagonal within a space) or from hard to reach areas, such as from roller-shutter rails. Slide the latch 15 of the positioning pin sideward in order to swivel out the pin. Set the corresponding reference level for measurements with the positioning pin by pushing button 10. The positioning pin 14 swivels back in again by pushing it toward the housing to the stop. The pin automatically locks in place. Working with the Tripod The use of a tripod is particularly necessary for larger distances. The measuring tool can be screwed onto a commercially available tripod using the 1/4" thread 21 on the bottom side of the housing. Set the corresponding reference level for measurement with a tripod by pushing button 10 (the reference level is the thread). 18 | English 1 609 929 P14 • 26.11.07
OBJ_BUCH-135-003.book Page 19 Monday, November 26, 2007 2:42 PM Troubleshooting – Causes and Corrective Measures Cause Corrective Measure Temperature indicator b flashes; measurement not possible The measuring tool is outside the operating temperature range from – 10 °C to + <strong>50</strong> °C (in the function continuous measurement up to +40 °C). Wait until the measuring tool has reached the operating temperature Battery indication a is indicated Battery voltage decreasing Replace batteries (measurement still possible) Battery indication a flashes, measurement not possible Battery voltage too low Replace batteries The indications “ERROR” and “–––––” are indicated in the display The angle between the laser beam and the target is too acute. The target surface reflects too intensely (e.g. a mirror) or insufficiently (e.g. black fabric), or the ambient light is too bright. The laser beam outlet 19 or the reception lens 20 are misted up (e.g. due to a rapid temperature change). Enlargen the angle between the laser beam and the target Work with the laser target plate 23 (accessory) Wipe the laser beam outlet 19 and/or the reception lens 20 dry using a soft cloth The indication “ERROR” flashes at the top in the display Addition/Subtraction of Only add/subtract measured values with different units of measure the same units of measured values with measure Unreliable measuring result The target surface does not reflect correctly (e.g. water, glass). The laser beam outlet 19 or the reception lens 20 are covered. Cover off the target surface Make sure that the laser beam outlet 19 or the reception lens 20 are unobstructed The measuring tool monitors the correct function for each measurement. When a defect is determined, only the symbol shown aside flashes in the display. In this case, or when the above mentioned corrective measures cannot correct an error, have the measuring tool checked by an after-sales service agent for Bosch power tools. Accuracy Check of the Measuring Tool The accuracy of the measuring tool can be checked as follows: • Select a permanently unchangeable measuring section with a length of approx. 1 to 10 metres; its length must be precisely known (e.g. the width of a room or a door opening). • Measure the distance 10 times after another. The measuring error must not amount to more than a maximum of ±3 mm. Keep a record of the measurements in order to compare the accuracy at a later time. Maintenance and Service Maintenance and Cleaning Store and transport the measuring tool only in the supplied protective case. Keep the measuring tool clean at all times. Do not immerse the measuring tool into water or other fluids. Wipe off debris using a moist and soft cloth. Do not use any cleaning agents or solvents. Maintain the reception lens 20 in particular, with the same care as required for eye glasses or the lens of a camera. If the measuring tool should fail despite the care taken in manufacturing and testing procedures, repair should be carried out by an authorized after-sales service centre for Bosch power tools. In all correspondence and spare parts orders, please always include the 10-digit article number given on the type plate of the measuring tool. In case of repairs, send in the measuring tool packed in its protective case 24. 1 609 929 P14 • 26.11.07 English | 19
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