- 7 -
Operation Panel.
• Finish this step when all the auxiliary lenses are checked.
Æ Press the ESC button.
⑤ Check the direction of rotary prism lenses
• Reset the Refractor Body.
Æ Press the CLEAR button twice.
• Select rotary prism lenses.
Æ Press the BIBO or BDBU button.
• Confirm that the direction of prism base is downward.
⑥ Check the initial position of the dual cross cylinder lenses in the cylinder mode.
• Select dual cross cylinder lens on the right.
Æ Press the dots group chart button twice.
• Confirm that the split line of the lens is vertical.
• Change the selection of eye to left.
Æ Press the LEFT button.
Confirm that the split line of the lens is vertical.
Æ The split line is laid horizontal in the <+> cylinder mode.