Steren HER-429, Instruction Manual

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Subtraction
1. Make a simple measurement.
2. Press twice. The [-]
3. Press to take a second measurement.
In the primary display area, the
The difference of the two quantities.
4. To erase an amount, press .
UNITS
Functioning 10
Area
To measure the area you only have to make two measurements.
Define the length and width of the space to be measured. Then follow
these steps:
1. Press . Screen view
2. Press to measure the width
3. After the measurement, the icon will change to Press to
measure the length.
You will automatically get the area measure, based on these 2
measurements.
1.603
3.164
5.071 2