Waters 2489, Обзор и руководство по обслуживанию

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June 11, 2015, 715004752 Rev. A
Page 110
Figure 4–11: Change lamp screen
5. Press Enter to store the serial number and to move to the “Install date” field.
6. Select the month from the choice list, and press Enter twice to update the
month and to select the next field, which specifies the day.
7. Specify the day of the month that the lamp is installed, and then press Enter to
enter it and move to the next field, which specifies the year.
8. Specify the year (last two digits only), and press Enter to update the year and to
select the Hours field.
Tip:
The Hours field is optional. If you are using a lamp for which hours of use
are already recorded, enter those hours of use. If this is a new lamp, enter 0
hours are 0.
9. Press the HOME key.
10. At the “OK to store” message, press Enter to store the serial number and date of
installation, or press Cancel to cancel the entry.
11. When the confirmation message appears, press Enter.
12. Perform a manual wavelength calibration (see
page 69 ).
Requirement:
To run the verification procedures with the new lamp installed,
recalibrate the detector, or cycle power to the detector after replacing the lamp.
4.5.6 Setting the lamp threshold
You can set an alarm threshold for the lamp. When the number of hours meets or
surpasses the threshold, an alarm message appears. The default alarm threshold is
2000 hours.
The alarm message also appears when you first power-on the instrument. The lamp
threshold screen displays the total hours of lamp use since the lamp’s installation.
Figure 4–12: Lamp alarm threshold screen