Huvitz CLM-3100P - General Multi-focal Lens Measurement

7.4 General Multi-focal Lenses
7.4.1 Measuring at The Normal Display
Step 1
Press the ‘ MEM’ button after placing the lens over the first focus.
Step 2 Press the ‘ MEM’ button after placing the lens over the second focus.
The first ‘ ADD’ value will be shown.
Step 3 At this time, ADD value isn’ t frozen. Therefore if you guess the value
correct, press the ‘ MEM’ button once more.
Step 4 Press the ‘ ADD2’ button to enter the measurement mode for the
second ADD value.
Step 5 Press the ‘ MEM’ button after placing the lens over the third focus.
The second ‘ ADD’ value will be memorized.
7.4.2 Measuring at The Progressive Display
Step 1
Press the ‘ PROG’ button to activate the progressive display.
Step 2 Place the lens over the first focus. The measurement is done
automatically.
Step 3 Move the lens over the second focus. And then the measurement is
done automatically.
Step 4 If you want to check one more additional power, after moving the lens
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