Bosch GLM 100 C Operating/Safety Instructions Manual page 30

The timer function is helpful, when, for example, movements of the
measuring tool during measuring are to be prevented.
To activate the timer function, press and hold button 6 until the
appears in the display.
The time period from the actuation until the measurement takes place is
displayed in the measured-value line a. The time period can be adjusted
between 1 s and 60 s by pressing the plus button 11 or the minus
button 5.
are not possible.
The measuring tool stores the last 50 measuring values and their
calculations, and displays them in reverse order (last measured value first).
last measuring function. To exit the measured-value list, press one of the
measuring-mode buttons.
To continuously save the currently displayed length measurement value
as a constant, press and hold the measured-value list button 7 until
"CST" is indicated on the display. A measured-value list entry cannot be
subsequently saved as a constant.
To use a length measurement value in a measuring mode (e.g. area/surface
measurement), press the measured-value list button 7, select the desired
entry and confirm by pressing the result button 6.
Timer Function
The measurement takes place automatically after the set
time period has elapsed.
The timer function can also be used for distance
measurements within other measuring modes (e.g.
area/surface measurement). Adding and subtracting
measuring results as well as continuous measurements
List of the last Measuring Values
To recall the stored measurements, press button 7. The
result of the last measurement is indicated on the display,
along with the indicator for the measured-value list e and
the memory location of the displayed measurements.
When no further measurements are stored after pressing
button 7 again, the measuring tool switches back to the
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indicator