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Database Management

Humphrey Field Analyzer II-

series User Manual 2660021145640 A

11-22

Merging Databases

The Merge Database function is designed to add tests from a backup source to the tests on the hard

disk database (the destination). One disadvantage of the Restore Database function is that it erases

all the patient tests on the hard disk and replaces them with the patient tests from the backup

source. If some tests found on the hard drive are not on the USB storage device, backup floppy

disks, or network file server, these test results will be lost.

The merge database feature has the added advantage of helping

prevent the loss of patient data by

the inadvertent use of an outdated or improperly labeled backup set. No tests are deleted from the

hard drive.

Merging two databases can be a lengthy process. If your ba

ckup source contains 10,000 patient

tests, it may take up to 75 minutes to merge the backup database with the current hard drive

database.

Note: If your HFA II-

suffered a hard disk failure that could not be repaired by the previously

described methods, you will not be given the opportunity to use the Merge option. You will need to

use the Replace procedure.

To merge a backup database with the current hard disk database:

1 From the File Functions screen, select BACK UP/RESTORE.

2 Choose the Source of the backup database (USB storage device, file server, or floppy), and the

Destination (Hard Drive). Select PROCEED.

3A pop-up window will appear giving you the option to replace the

current hard drive database with a backup database, or merge the two

databases. Choose MERGE.

4Insert the backup USB storage device or first backup floppy disk,

and select OK. A popup window with the phrase “Restoring from USB

storage device/floppy/File Server” and a progress indicator will appear.

The HFA II-

is analyzing the disk to determine how long it will take to

merge the two databases.

Zeiss Humphrey II-i series User Manual

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