5.1 Messurment in lm/ft²
1. Press and hold the "Range" button while pressing the "ON"
button once to switch the device on and change to lm/ft² at the
same time.
2. Select the measuring range with the RANGE-key (3) on the
side of the unit
The three possible measurement ranges are:
Note: 1 lm/ft² is approx. 10.764 Lux
After the desired measuring range is selected, you can start your
measurements. If the indicating overflow "I" appears, the luminosity
is higher than the selected measuring range. If necessary, switch
the measuring range again until a measurement is displayed.
To switch back to the LUX mode, turn the power off again, hold
down the RANGE button again and turn the unit back on by
simultaneously pressing the ON key.
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