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Humphrey Field Analyzer II - i
Appendix I
Confidential and Proprietary
52235C1105
I - 5
Field Service Guide
Calibration Notice (Sample)
The Calibration Notice is a multipart form. For a supply of this form,
please contact the Technical Support Coordinator at Carl Zeiss Meditec.
5160 Hacienda Drive, Dublin, CA 94568
P
(925) 557-4100
P
(1-800) 858-1508
Date
Dear Doctor:
We checked the calibration of your Field Analyzer, serial number today
and found that it was reading dB too high / low (circle one). The instrument has
now been recalibrated.
Please keep this calibration shift in mind when comparing future results against previous field. If it was
reading too high, future tests of stable patients will tend to show an artifactual loss in threshold
sensitivity in the amount shown above. If it was reading too low, future tests will tend to show an
artifactual improvement.
We recommend yearly preventative maintenance and calibration checks for your Field Analyzer.
Inquire about our service contracts which include a yearly preventative maintenance visit.
If you have any questions, please contact Carl Zeiss Meditec at 800-858-1508 and ask to have your
area’s Regional Service Manager give you a call.
Sincerely,
Carl Zeiss Meditec Field Service Engineer
WHITE-Product Manager Copy CANARY-Service Copy PINK-Customer Copy
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