Zeiss HUMPHREY 720i, User Manual

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R E V . A 10 9/ 9 8 P N 47653 H U M P H R E Y F I E L D A N A L Y Z E R
I I
A-26 APPENDIX A
REV. B 02/03 PN 51680-1 HUMPHREY FIELD ANALYZER
II -
i
series
H-2 APPENDIX H
PROBLEM POSSIBLE CAUSE OR SOLUTION
Touch Screen
Too dark or too light • Adjust brightness - knob is on right-side of touch screen (back of HFA II) (1)
Wrong button activated when pressed • Make sure finger is perpendicular to the touch screen (2)
• Try using pencil eraser to make selection (2)
• Perform touch screen calibration (2), (12)
Slow response or no response • Press and release finger from touch screen in a quicker motion (2)
(remember - button is activated when finger is released )
Out of calibration at start up • Perform touch screen calibration (2), (12)
- Hold patient response button down at start up to reach touch screen
calibration procedure (12)
Patient Response Button
Does not beep when pressed • Turn Switch Beep on - Additional Setup menu (2)
• Check connection to HFA II (1)
• Verify patient is properly pressing and releasing response button (5)
Video Eye Monitor
Disappeared • Press EYE button (2)
• Eye monitor is only present on some screens (Start of Test, Testing, etc.)
Too dark or too light • Press “+” to lighten or “-” to darken
Time and Date
Time display on screen is incorrect • Change by pressing DATE AND TIME on System Setup screen (2)
Date on screen is incorrect • Change by pressing DATE AND TIME on System Setup screen (2)
Date of birth or test date is • Change by pressing CHANGE PATIENT DATA on File Functions screen (3, 8)
incorrect on printout
Printer
Does not print • No power to printer (no lights visible on front panel) (12)
- Check to ensure power cord is attached and check power switch (1)
- Check power to power table (1)
• No paper in printer (12)
B-H Appendex.htp 3/14/03, 3:24 PM 26