Zeiss humphrey HFA II-i series, Руководство по обслуживанию на месте

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Adjustment / Calibration Humphrey Field Analyzer II - i
Confidential and Proprietary
Field Service Guide
4 - 6 52235C1105
4.3 Calibration / Diagnostics Access
Access to the HFA II - i calibration and diagnostics menus is password protected. The
password is proprietary and should be carefully protected.
To initiate access to the calibration and diagnostics functions, perform the following:
C
From the instrument's Main Menu, select System Setup .
C
Select
Additional Setup.
C
Select Diagnostics.
C
When the ten-key pad appears, type in the password. Then select [Enter].
4.4 Show Dialog
Pressing the
Show Dialog
button will display a ten-key pad. This selection is left over from
Development. Pressing [Enter] will return to the previous menu.
4.5 System Log
The System Log option enables the Service technician to either print or clear the System
Log. Refer to Appendix J for a detailed description of the System Log and its uses.
Print System Log — This selection prints out the log.
Clear System Log — This selection clears (erases) the log.
4.6 Database
The database selection provides a number of utilities that can be used by the Service
technician when problems such as data loss or corruption have occurred to the patient
database. The database utilities are accessed via the
Calibration and Diagnostics
menu,
however, they have nothing to do with actual instrument calibration and adjustment. As a
convenience, Appendix K has been developed to describe each utility and their use in
correcting database related problems. Please refer to Appendix K for additional information.
4.7 Video Test Pattern
This option allows the Service technician to display a test patten on the CRT. The test
pattern may be used when performing CRT alignment and symmetry adjustments. There
are options to display the pattern for two minutes or one hour. Cycling power is OK.