5. Proceed as described earlier to subtract further areas.
18. Volume measurement
This function is only intended for measuring rectangular-
shaped rooms.
1. Press the volume measurement button (J) twice. The display shows
a cube to indicate volume measurement mode.
2. Measure the first side length of the room.
3. Measure the second side length of the room.
4. Measure the third side length of the room.
5. The device multiplies all three readings automatically. The volume of
the space is shown in the bottom line.
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