User manual POWERFIX KH 2934 ULTRASONIC DISTANCE METER

[. . . ] This device is intended for domestic use only. Do not use the device in locations where fire hazards or the risks of explosions are present, i. This device is not intended for use by individuals (including children) with restricted physical, physiological or intellectual abilities or deficiences in experience and/or knowledge unless they are supervised by a person responsible for their safety or receive from this person instructions on how the device is to be used. Children should be supervised to ensure that they do not play with the device. [. . . ] the ultrasound transmitter/ receiver 1 must be at a right-angle to the wall. For this, use the spirit level 6: The bubble in the glass 6 must stand between the marking lines (see Fig. Hold the device steady in position until the measured distance appears in the display 2. Should the measurement lie outside the measurement range, "Err" or an illogical number will appear in the display. Take note of the following illustrations: 2 The further you are standing from the wall, the wider the area (a) is that the Distance Meter must measure by ultrasound (Fig. Therefore, make sure that the distance meter is always pointed at a right angle towards a level surface (Fig. Ensure that there are no objects positioned within the measurement area. Inaccurate measurements can also occur because of a weak battery. If necessary, press several times the area/volume 0 button until, in the display, 2 the L notice (Distance measurement) appears. Press the READ 4 button to carry out a distance measurement. The new measured distance will be displayed in the second line. In this way you can carry out further measurements and additions. If you want to delete the measured distance press the CLEAR 5 button. If necessary, press several times the area/volume 0 button until, in the display 2 the notice (Area measurement) appears. The letter "W" blinks for the second part of the measurement. The area in square meters (m2), as the product of both distances, is shown below in the display 2. In this way you can carry out further measurements and additions. If necessary, press several times the area/volume 0 button until, in the display 2 the notice (Volume measurement) appears. The letter "W" blinks for the second part of the measurement. The letter "H" blinks for the third part of the measurement. [. . . ] disposal of batteries/rechargeable batteries Used batteries/rechargeable batteries must not be disposed of in household waste. Every consumer is legally obliged to dispose of batteries at a collection site in his community/ city district or at a retail store. The purpose of this obligation is to ensure that batteries are disposed of in a non-polluting manner. Only dispose of batteries/rechargeable batteries when they are fully discharged. [. . . ]