Instructions

• A warning message appears on the display. The device
calibrates. Do not move the device during this time. Wait
until the warning message disappears.
If self-calibration fails, the list of all measurement
modes is shown again. Repeat the procedure in
this case.
• Now measure the two required line segments. Please see
the previous gure for the right order.
• The distance is calculated automatically and will appear
in the bottom line.
22. Adding/subtracting
• Measure the rst segment.
• Swipe to the left.
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