Zeiss humphrey HFA II-i series, Field Service Manual

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Humphrey Field Analyzer II - i Adjustment / Calibration
Confidential and Proprietary
52235C1105 4 - 3
Field Service Guide
4.1 Introduction
This section contains the procedures for adjustment and calibration of the HFA II - i .
It is important that you use Table 3-1 in Section 3 to determine when
adjustments/calibrations are required following removal/replacement of various parts
and assemblies of the
HFA II - i .
The information contained here reflects the latest revision level of software as of the
time of this writing. Always check your Field Service Bulletins for possible
subsequent changes to these procedures.
Calibration and Adjustment Flow Chart
The flowchart shown on the following page provides an overview of all required
instrument calibrations and adjustments. Additionally, each block contains the
section number in this manual where detailed procedures can be found for that
specific calibration or adjustment.
Calibration/Diagnostics Access, Diagnostics Menu,
and
Calibration Menu
selections are
all software options. That is, each of these blocks is available via a menu screen.
Whereas, the
Other blocks are all mechanically related adjustments and are not
available via software.
NOTE: The Other blocks, labeled Trial Lens Holder, Camera Focus, and Bowl IR
LEDS/Mirror, are mechanical adjustments that must be checked/performed prior to
performing the related software calibrations of Position and Intensity.