Humphrey Field Analyzer II - i
Adjustment / Calibration
Confidential and Proprietary
52235C1105
4 - 11
Field Service Guide
Cal/Wedge Printout:
1)
From the Main Calibration menu, select
PRINT CAL VALUES
.
2)
On a Printrex printer, the printout will always be done on a single sheet. To get the
printout on a single sheet with an HP printer, take the printer off-line and press
Form
Feed
.
3)
Proceed to Evaluating Results and evaluate the
HFA II - i
Light Verification Data
printouts and Cal/Wedge printout results as indicated below.
Evaluating Results
NOTE:
An “Asterick” flags reading out of calibration.
Evaluating White Light Verification Data Printout Results:
P
Projector Voltage
must be less than 10 volts.
P
Spot Positions and Background (Bowl):
•
All must fall within the confines of the table.
•
The dB Spread can be no more than 1.0 dB.
Evaluating Blue-Yellow Verification Data Printout Results:
P
Spot Positions and Background (Bowl):
•
All must fall within the confines of the table.
•
The dB Spread can be no more than 1.5 dB.
Evaluating Cal/Wedge Printout:
The values on the cal/wedge printout must fall within the ranges indicated in Appendix Table
H1.
4.8.1.2
Exerciser
The Exerciser enables the Service technician to move the instrument’s motors individually or
in conjunction with one another. For additional details, refer to Section 5, Troubleshooting.
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