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
APPENDIX A A-27
REV. B 02/03 PN 51680-1 HUMPHREY FIELD ANALYZER
II -
i
series
HUMPHREY FIELD ANALYZER
II
APPENDIX H H-3
PROBLEM POSSIBLE CAUSE OR SOLUTION
Printer
No signal from HFA II • Check printer cable connection (1)
• Check cable is correct and not damaged
• Check to ensure correct printer is selected on System Setup menu (2)
• Printer buffer full - turn off printer and turn back on
• No printout selected to print (7)
• Other printers: Consult specific printer manual
Improper printout • Random characters or multiple pages printed
- Check that correct printer is selected on System Setup menu (2)
- Printer needs to be turned off to be reset
• Abnormal value printed - reprint visual field
(printer occasionally prints double characters)
• Printrex printout blank - paper may be upside-down
Printouts fade over time • Do not store printouts in plastic covers or use adhesive tape on
thermal paper (12)
Printout Problems
No change probability symbols on • GCP requires 3 tests to show change probability symbols (7)
Glaucoma Change Probability (GCP)
printout
No Single Field Analysis printout • Test pattern not eligible for STATPAC analysis (7)
• One or more test parameters not valid for STATPAC (7)
Quad totals not shown • Available on Three-in-One printout only (7)
No SF or CPSD values on • SF and CPSD are not displayed when SITA test strategy is used (4, 7)
threshold printout • Fluctuation was turned off for the test (CPSD is not calculated when
fluctuation is off)
Glaucoma Hemifield Test (GHT) • FastPac test strategy used (GHT not available with FastPac) (7)
results not displayed • Test not eligible for STATPAC analysis (7)
Printout does not include all eligible • Some test parameters not valid for STATPAC (7)
tests for a patient when printing • Patient name or date of birth incorrect on some tests (3, 8)
Overview or Glaucoma Change • Search via RECALL PATIENT DATA - fix with Merge Patients feature (3, 8)
Probability (GCP) printout • Sixteen (16) test maximum for Overview and GCP printouts (7)
• FastPac, SITA Standard and SITA Fast tests are ineligible for Glaucoma Change
Probability Analysis (7)
B-H Appendex.htp 3/14/03, 3:24 PM 27