PDR-7000 Operation Manual
2.3.3 Polar coordinates (rθ)
1. Press
The rotary prism lenses are placed in the refractor head.
The prism powers are highlighted in the central screen.
2. Enter the prism absolute values.
Turn the dial to change the absolute values (in increments of 0.5Δ).
It is also possible to change the prism powers in increments of 0.1Δ with or
instead of the dial.
3. Press
4. Enter the prism base angle.
Turn the dial to change the angle (in increments of 1°).
Turning the dial while pressing changes it in increments of 5°.
2.3.4 Removing rotary prism lenses
The rotary prism lenses can be instantly removed with a single touch of any key.
Press or again while the rotary prism lenses are placed in the
measuring windows.
The rotary prism lenses are removed from the measuring windows.
The highlight color on the screen changes and the time display changes to Δ-OFF.
It indicates that the rotary prism lenses are removed.
When the rotary prism lenses are removed, the selected prism powers can be
changed.
Pressing or again allows the rotary prism lenses to be
placed.
2.3.5 Prism data clear
The prism powers of the right and left eyes can be cleared separately.
The prism power of the right eye is cleared.
The prism power of the left eye is cleared.
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