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

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Page 2 FA2i-023
Verification of Calibration Backup Disk
1. Remove Calibration Backup Disk from the pocket inside the cable cover housing on the HFA2i.
2. From the Windows desktop of your computer, select the
Programs group.
3. Start Hex Dump32 .
4. Maximize the window and insert the Calibration Backup Disk into drive A.
5. Click on
File , and then click Open File . If required, navigate to the “A” drive.
6. Double click on Calcfg.ini file.
7. Evaluate the characters on the right (ASCII) side of the screen. Determine if the file is normal or
corrupted:
Normal Calcfg.ini file: Random characters should be displayed and the instrument model number
will be visible as seen in Table 1.
Corrupted Calcfg.ini file: Values displayed on the right side of the screen show “……….” On the left
side of the screen Hex values will display “7F7F”, as seen in Table 2.
8. Go to File and click Close .
9. Click on File , and then click Open . (If required navigate to the “A” drive)
10. Double click on nvram.dat file.
11. Evaluate the characters on the right side of the screen.
Normal nvram.dat file: Random characters should be displayed.
Corrupted nvram.dat file: Values displayed on the right side of the screen show “……….” On the left
side of the screen Hex values will display “7F7F”, similar to Table 2.
12. Go to
File and click Exit .
13. Remove the calibration disk from Computer.
14. If the disk is corrupted, see instructions to repair the corrupted calibration disk below.
15. If the disk has been determined to be normal, write your initials and date on the label.
16. Return the calibration disk to the holder in the cable compartment of the instrument.
00000000 01 02 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................
00000010 00 00 00 00 00 00 00 00-00 00 00 00 00 7D 00 80 .............}..
00000020 FF FF FF FF FF FF FF FF-FF FF FF FF 0F 00 00 00 ................
00000030 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................
00000040 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................
00000050 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................
00000060 00 37 35 30 69 00 00 00-EE 02 00 00 4E 1B 00 00 .750i.......N...
00000070 2D A9 30 17 00 00 00 00-00 00 00 00 00 00 03 82 -.0.............
00000080 00 00 00 00 00 34 01 B3-00 8C C7 40 D0 B7 DC 2C .....4.....@...,
00000090 B0 CC 69 00 18 01 22 00-00 00 00 00 00 02 04 D0 ..i...".........
Table 1. Normal Calcfg.ini File Example
00000000 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 7F ................
00000010 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 9F ................
00000020 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 7F ................
00000030 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 9F ................
00000040 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 7F ................
00000050 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 9F ................
00000060 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 7F ................
00000070 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 9F ................
00000080 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 7F ................
00000090 7F 7F 7F 7F 7F 7F 7F 7F-7F 7F 7F 7F 7F 7F 7F 9F ................
Table 2. Corrupted Calcfg.ini File Example
Model Number