Humphrey Field Analyzer II - i
Table of Contents
Confidential and Proprietary
52235C1105
v
Field Service Guide
Table of Contents
Section 1 - General Information
1.1
About This Field Service Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 3
1.1.1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 3
1.1.2 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 4
1.2
About Service Bulletins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 4
1.3
HFA II - i
Service Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 5
1.3.1 Two-Level Service Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 5
1.3.2 Three Steps to Completing an
HFA II - i
Service Call . . . . . . . . . . 1 - 5
1.3.3
HFA II - i
Field Service Paperwork Requirements . . . . . . . . . . . . . 1 - 6
1.4
Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 8
1.5
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 8
1.6
Internal Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 10
1.7
Special Topics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 10
1.7.1 The Touch Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 10
1.7.2 Gaze Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 11
1.7.3 Head Tracking / Auto Pupil / Vertex Monitoring . . . . . . . . . . . . . 1 - 14
1.7.4
HFA II - i
Light Intensity Fundamentals . . . . . . . . . . . . . . . . . . . . 1 - 15
1.7.5 Comparing HFA II and the
HFA II - i
. . . . . . . . . . . . . . . . . . . . . 1 - 15
1.8
Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 20
1.9
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 22
Section 2
PM and System Checkout
2.1
System Checkout Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3
2.2
Preventive Maintenance Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 8
Section 3
Parts Removal / Replacement
3.1
General Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4
3.1.1 Removal from Power Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 10
3.2
Front Cover Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 11
3.3
Rear Cover Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 12
3.4
Operator Panel Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 13
3.5
Drive Housing Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 15
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