Zeiss humphrey HFA II-i series, Руководство по обслуживанию на месте

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Adjustment / Calibration Humphrey Field Analyzer II - i
Confidential and Proprietary
Field Service Guide
4 - 32 52235C1105
NOTE:
Push the Tool
Stand with your finger as
shown or use the Fore-
Head Rest Clip Tool as
shown in the Appendix.
FIGURE 4-11. Trial Lens Holder Position
5) Select
SIZE
, and press the
X-5
button until you get the smallest horizontal video
picture and the system beeps twice. Press the X+5 button 11 times and STORE it. This
step sets the horizontal width.
6) Press the
Y+5
button until you get the smallest vertical video picture and the system
beeps twice. Press the Y-5 button 9 times and STORE it. This step sets the vertical
height.
7) Affix a piece of masking tape across the trial lens holder, with the top edge of the tape
aligned on the 0 - 0 level of the scale on the trial lens holder (Figure 4-12). You can
place a pencil mark on the top edge of the tape directly above the 90 degree reference
point for an aid in setting the camera position as required in the following step.
Reposition the trial lens holder against the right-angle extension on the fake eye
assembly.