Zeiss humphrey HFA II-i series, Field Service Manual

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PROPRIETARY and CONFIDENTIAL
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SERVICE
BULLETIN
Instrument:
Humphrey Field Analyzer II-i No.: FA2i-040
Subject: Double Image at Startup Date: 27 Apr 07
Status:
Informational Pages: 1
With the implementation of the new CPU box (P/N 60673), there is a possibility that the instrument will
startup with a “double image” of the video screen (see Figure 1 and 2). The video display registers are
not being set correctly and can cause the display problem. This problem is only expected to occur in 1
out of 300 startups of the system.
If the “double image” occurs, reboot the instrument. The display problem does not result in loss of
functionality or impact clinical results.
This issue will be corrected in a future version of software.
Figure 1. Figure 2.