Gently close the jaw to hold the frame.
Press to select the high-base frame type.
Press to select the first eye to be traced.
Select the frame material.
Press on to start the tracing cycle.
To interrupt tracing at any time, press .
The numeric keypad is displayed.
Enter the value of the D-dimension, then press to confirm.
Once the tracing of the first eye is finished, a message is displayed:
Position the frame to trace the second eye.