Addition And Subtraction; Care And Maintenance - Levenhuk Ermenrich Reel GA50 Bedienungsanleitung

Calculations with 3 additional measurements (Pythagorean theorem), method 1 – legs
summation
Press (4) to enter the calculations with 3 additional measurements (Pythagorean theorem), method 1 – legs summation. Aim the laser
at the target and press (2) to measure the distance D by making 3 additional measurements. Make measurements of lines А, В and С one by
one (Fig. F). Length of line D will appear in the main line on the display.
Calculations with 3 additional measurements (Pythagorean theorem), method 2 – legs
subtraction
Press (4) to enter the calculations with 3 additional measurements (Pythagorean theorem), method 2 – legs subtraction. Aim the laser
at the target and press (2) to measure the distance D by making 3 additional measurements. Make measurements of lines А, В and С one by
one (Fig. G). Length of line D will appear in the main line on the display.

Addition and Subtraction

Direct the laser beam at the target and then take a measurement. Press (3) to add the next measurement (plus icon appears on the screen).
Take the next measurement.
To subtract the measurement, press (3) and hold it for 2 seconds (minus icon appears on the screen).
History records
Press (5) and hold it for 3 seconds to record the current measurement. Press (5) to view the recorded values. Press (9) to clear the previous
record.
Specifications
Measuring range
Measuring accuracy
Units of measurement
Laser class
Laser beam /device auto-off
History records
Power supply
Operating temperature range
Storage temperature range
Dimensions
Weight
The manufacturer reserves the right to make changes to the product range and specifications without prior notice.

Care and maintenance

Please carefully read the safety instructions and user manual before using this product. Otherwise, it may result in hazardous laser radiation
and electric shock. Keep away from children.
This is a class II laser product. Please DO NOT look directly into the beam with unprotected eyes or through an optical device at any time
and never direct it toward other people. Do not remove any safety labels. Do not aim the device directly at the sun. Do not try to disassemble
the device on your own for any reason. For repairs and cleaning of any kind, please contact your local specialized service center. Protect
the device from sudden impact and excessive mechanical force. Do not use the product in explosive environment or close to flammable
Figure F
Figure G
0.05–50m
±3.0mm
m, ft, in
class II, 620–670nm, <1mW
20/60 seconds
16 groups
2 AAA batteries
0... +40°C (32°... 104°F)
–20... +70°C (–4... +158°F)
51x27x114mm/2x1x4.4in
129g/0.28lb
6