Tomey AL-2000 - Page 7

CCOONNTTEENNTTSS
AL-2000 Biometer & Pachymeter
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d) Receiving data ...............................................................................74
7.5.4 Sound setup ..........................................................................................75
7.5.5 Print mode selection .............................................................................76
8. MEMORY CARD ..............................................................................................................77
8.1 Memory card specifications..............................................................................77
8.2 Memory card capacity and maximum number of entries................................77
8.3 Memory card battery........................................................................................77
8.3.1 Replacing the battery.............................................................................77
8.3.2 Battery life ..............................................................................................77
8.4 Formatting the memory card ...........................................................................78
8.5 Reading the memory card on a Windows computer.......................................79
8.5.1 Rewriting the Windows PC system configuration file............................79
8.5.2 PC data: location, filename and format .................................................79
8.5.3 Removing the memory card from the comptuer ...................................79
8.5.4 Handling memory card files ...................................................................79
9. TECHNICAL INFORMATION ..........................................................................................81
9.1 IOL calculation formulae ..................................................................................81
9.1.1 SRK/II ......................................................................................................81
9.1.2 SRK/T......................................................................................................82
9.1.3 Holladay..................................................................................................84
9.1.4 Hoffer Q .................................................................................................86
9.1.5 Haigis standard.......................................................................................88
9.1.6 Haigis optimized.....................................................................................90
9.2 Ultrasound velocity used in axial length measurement ...................................91
9.2.1 Normal....................................................................................................91
9.2.2 Dense cataract........................................................................................91
9.2.3 Aphakic...................................................................................................91
9.2.4 Pseudophakic .........................................................................................91
9.3 Axial length calculation in eyes with silicone oil ..............................................92
9.2.1 Normal....................................................................................................92
9.2.2 Pseudophakic .........................................................................................92
10. MAINTENANCE...............................................................................................................93
10.1 Replacing fuses ...............................................................................................93
10.2 Routine maintenance .....................................................................................93
10.2.1 Maintenance of the probes ..................................................................93
a) Disinfecting the probes ..................................................................93
b) Cleaning the probe handle and cord .............................................94
10.2.2 Maintenance of the main unit ..............................................................94
10.3 Replacing the printer paper ...........................................................................94
10.4 Storage ...........................................................................................................95
10.5 Packing materials ...........................................................................................95
10.6 Warranty ..........................................................................................................95
11. TROUBLESHOOTING......................................................................................................97
11.1 General problems............................................................................................97
11.2 Biometry function ............................................................................................97
11.3 Pachymetry function........................................................................................98
11.4 Memory card ...................................................................................................99