Bosch GLM 100 C Consignes D'utilisation/De Sécurité page 31

Briefly pressing button 4 deletes the last individual measuring value
determined in any measuring function. Briefly pressing the button
repeatedly deletes the individual measuring values in reverse order.
To delete the currently displayed measured-value list entry, briefly press
button 4. To delete the complete measured-value list and the constant
"CST", press and hold the measured value list button 7 and at the same
time briefly press button 4.
In wall surface measurement mode, briefly pressing button 4 the first time
deletes the last individually measured value; pressing the button a second
time deletes all lengths B
the room height A.
To add measured values, first carry out any measurement or select an
entry from the measured-value list. Then press the plus button 11.
For confirmation, "+" appears on the display. Then carry out a second
measurement or select another entry from the measured-value list.
– Mixed length, area and volume values cannot be added together. For
example, when a length and area value are added, "ERROR" briefly
appears on the display after pressing the result button 6. Afterwards, the
measuring tool switches back to the last active measuring mode.
– For each calculation, the result of one measurement is added (e.g. the
volume value); for continuous measurements, this would be the displayed
measured value in result line c. The addition of individual measured
values from the measured-value lines a is not possible.
Deleting Measured Values
, and pressing the button a third time deletes
x
Adding Measured Values
To call up the sum of both measurements, press the result
button 6. The calculation is indicated in the measured-
value lines a, and the sum in the result line c.
After calculation of the sum, further measured values
or measured-value list entries can be added to this
result when pressing the plus button 11 prior to each
measurement.
Pressing the result button 6 ends the addition.
Notes on the addition:
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