Zeiss humphrey HFA II-i series Field Service Manual page 43

Humphrey Field Analyzer II - i
19) Check the operation of the rear fan, and clean the filter
20) Check that the date is correct and the time is within 2 minutes.
21) Select a patient test. Change parameters. Verify that the central fixation LED,
inner diamond, and outer diamond all function.
22) Turn foveal threshold on (except Model 720i). Select size III. Start the test. Verify
that the size III spot is in the center of the inner fixation diamond. Ensure that the
spots are sharply focused and no halo is visible. Test the patient button for
operation.
23) Recall a patient test from your test floppy disk. Display and print the test.
24) Recall a test from the hard disk. Display and print the test.
25) Duplicate a patient test from your test floppy disk to a formatted floppy. Display
the copied test.
26) Copy a patient test from your test floppy disk to the hard drive. Delete that test
from the hard disk.
27) Perform a backup using the Magneto-Optical drive to verify the backup/restore
procedure.
28) Turn power off/on and wait for the Main Menu. No errors should be reported.
52235C1105
Confidential and Proprietary
2 - 7
PM and System Checkout
Field Service Guide