Cholestech LDX - 1.2 Cholestech LDX Optics Check Cassette; 1.3 Optics Check Cassette Test Procedure

1.1 Introduction
This section contains the procedure to properly run an optics check and specific
information about proper maintenance. A sample copy of each form referred to is included
in the
Master Forms section of this manual.
1.2 Cholestech LDX Optics Check Cassette
A Cholestech LDX Optics Check Cassette with known reflectance values is supplied with
each Analyzer. It should be used to check the optical system of the Analyzer. Store the
Cholestech LDX Optics Check Cassette at room temperature in the case provided. Do not
touch the reaction bar or allow it to become wet, dirty or scratched. Do not use a damaged
or expired Cholestech LDX Optics Check Cassette.
Run a Cholestech LDX Optics Check Cassette:
• Once each day before patient samples are tested.
• After the Cholestech LDX System has been moved or serviced.
1.3 Optics Check Cassette Test Procedure
Do not use a Cholestech LDX Optics Check Cassette that is expired, damaged or altered in
any way.
1. Press the RUN button. After verifying the “Selftest OK” message, the drawer will open,
and the screen will display:
Load cassette
and press RUN
2. Place the Optics Check Cassette into the cassette drawer.
Do not place any blood sample on the cassette.
3. Press the RUN button again and the Analyzer will automatically perform the optics
check. The words Optics Check and four numbers will appear on the screen, one for
each optical channel in the Analyzer.
Optics Check
##-##-##-##
ch#1-ch#2-ch#3-ch#4
4. If the numbers for all four channels fall within the ranges printed on the Optics Check
Cassette label, the system is ready for use.
2 SETUP AND MAINTENANCE
Cholestech LDX System Procedure Manual
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For Information Only
Recommended Optional Information
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Setup and Maintenance
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