Canon CR-2 manual 27

4 Basic Operations

5Have the patient stare at the internal eye fixation lamp to fix the part for the photograph.

Take the following steps to guide the patient’s eye: Press the FIX TARGET buttons up, down, left, and right to move the internal eye fixation lamp to your desired position and then press the set button

to make it blink. If the eye cannot be guided by the internal eye fixation lamp, use the external eye fixation lamp (sold separately).

Set button

Press the set button for at least two seconds to reset the position of the internal eye fixation lamp. See the Rics NM 2 manual for details.

6Turn the focus ring to align the split lines into a single line.

The image enlarges while the focus ring is being turned.

Split line

Correct

Incorrect

Incorrect

Focus ring

When the split lines do not align

If the patient's diopter range is outside the –10 to +15 D, it is not possible to focus with the focus indicator. If this happens, use the diopter compensation function (see page 31), and focus the image until it is sharp.

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