Datasheet

2) If you want to store the desired measurement value, press
the MEM / READ button (3) and the [M] symbol for "Memory"
with the storage-number is shown on the left-top of the
display. The storage of the values is done continuously from
01 to 99.
7.2. Recall of measurement values
Measured values are stored as Lux or Fc value with the respective
measurement unit. If you want to display a previously stored
measured value, proceed as follows:
1) Turn on the meter.
2) Press and hold the MEM / READ for about 2 seconds
and [R] symbol for "Read" will appear in the upper-left
corner of the display with the storage-number and the
stored measurement value, which is shown in the main
display.
3) Switch between the stored values, if necessary with the
▼ ▲ arrow keys.
4) To exit this function, press and hold the MEM/READ
button for about 2 seconds.
7.3. Delete measurement memory
Only the complete data memory can be erased. If you want to
delete the complete memory, proceed as follows:
1) Turn off the meter.
2) Press and hold the MEM/READ button (3) and turn the
meter on again (7).
3) It appears "CLA" in the display and the internal memory
is erased completely.
4) The device switches off again.
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