Applied Biosystems 7900HT Fast Real-Time PCR System and SDS ...

Aligning the Fixed-Position Bar Code Reader5. Loosen the black positional adjustment knob on the fixed-position bar codereader, and position the scan head of the reader as far as possible from the platewhile maintaining the orientation towards the bar code on the plate (see below)Scan head of the fixed-positionbar code readerGR2018Black positionaladjustment knob6. While watching the Terminal dialog box, slowly adjust the orientation of thefixed-position bar code reader until the percent successful reading displays thehighest number possible.Percent successful readsNote: It may be helpful to briefly place a sheet of white paper in front of theplate bar code to view the area scanned by the laser.7. When satisfied with the alignment, tighten the black positional adjustment knobon the fixed-position bar code reader.8. Restore the fixed-position bar code reader to normal operation:a. In the Edit Configuration dialog box, change from Test back to Serial onLine.Mode drop-down listb. In the Device Control dialog box, confirm that EEPROM is still selected,and click Send.c. In the New Decision dialog box, click YES to save to EEPROM.The bar code reader stops scanning the plate bar code and resumes normaloperation.9. Click Exit ( ) to quit the LDHOST window.The LDHOST window closes.10. Replace the cover for the fixed-position bar code reader (from step 1 onpage 7-49).Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User Guide 7-51DRAFTSeptember 1, 2004 11:39 am, CH_Maintenance.fm