19
lever, adjust the height until examinee’s eye is aligned with the mark on side
of head rest.
CAUTION
Keep hand or fingers out of under chin rest.
Could damage and injured.
4.
Positioning and Focusing
Move control lever (to left/right side) to make center of examinee’s pupil
(bright dot) locate in the targeting mark
By moving the Operation Lever (to front/back side), focus to get clear mire
ring mark.
In this procedure, RK11 analyze the focusing condition and display the level
of focus.
Please, refer to
6-5
.
5.
Measurement
Manual measurement mode (MANU mode)
①
Press the Measure Button.
②
After finishing measurement, result is displayed on bottom of screen.
NOTE
If measurement is failed with ‘TRY AGAIN’ message, perform the
measurement 1 more time. Regarding description of each message,
please refer to the ‘section 9-1’.
Automatic measurement mode (AUTO mode)
①
Press Auto/Manual (RIGHT) button until Auto Icon is displayed.
②
When the focus circle is yellow, RK-11 will measure automatically and
continuously by setting repeat count.
