Zeiss Humphrey II-i series, Руководство пользователя

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Troubleshooting
Humphrey Field Analyzer II-
i
series User Manual 2660021145640 A
M-6
Blind spot monitor reports many fixation losses • Size V blind spot check size may be too easy to see at blind spot ( 9-9 ).

- Consider using Gaze Track only and turn off Blind Spot.
Blue stimulus is on but bowl is not yellow • Blue stimulus color was chosen instead of Blue-Yellow parameter ( 4-9 ).

- Blue Yellow parameter set to ON will give yellow bowl and Blue Size V stimulus.
Illumination from yellow lamp at top of bowl
annoying to patient .• Blue-Yellow visor not extended during testing procedure ( 9-5 ).
Testing Problems
Test completes immediately after START button
is pressed • SIMULATION set to ON ( 2-30 ).

- Go to Additional Setup screen, set SIMULATION to OFF.

• Instrument motorboard was out of calibration and PROCEED was selected.
Full field test stops before complete • Trial lens holder in up position for peripheral portion of test.

- test peripheral field without a trial lens and put holder down ( 3-6 ).
Hard Disk Problems
Message indicates hard disk failure • Refer to “How to Handle Hard Disk Failures” for step-by-step instructions ( 11-10 ).
Patient names exist in database without test
data • Test results not saved with patient information.

- Use CLEANUP HARD DISK DATABASE feature to remove ( 11-23 ).
USB Media Problems
Message indicates “Unrecognized format” error,
USB device does not show up on the HFA, or a
USB media error is indicated. • The USB storage device is incorrectly formatted. Format the USB storage device in
FAT (FAT16) or FAT32. NTFS or exFAT (FAT64) cannot be used.
• The USB device may be incompatible with the HFA.
Floppy Disk Problems
Floppy disk cannot be used by HFA II-
i
• Disk may not be properly formatted ( 10-17 ).

- Use INITIALIZE DISK feature (all previous data will be erased).

• Disk may be the wrong format ( 10-17 ).

- Make sure you use only pre-formatted High Density (HD) 1.44 MB floppy disks.

- Do not use Super High Density (2.88 MB) disks.
Floppy disk error is indicated • Disk may be damaged or corrupted ( 15-12 ).

- Use REBUILD REMOVABLE MEDIA DATABASE feature ( 11-21 ).
Data Transfer Problems
Transfer of files between HFA I, HFA II and HFA II
-
i
series via serial cable does not work
• Check cable attachments ( 10-19 ).

• RS-232 port settings are incorrect ( 10-22 , 10-23 , 10-23 , HFA I Manual).
Tests missing after data transfer • Tests were ineligible to be transferred ( 10-19 ).
Table M.1 Troubleshooting Table
Problem Possible Cause or Solution