Hach DR 2800, Руководство пользователя, Страница: 44 / 96

44
Standard Operations
Enter the Variables (Factors, Wavelength and Conversion
Factors)
For detailed information on entering Variables, see Appendix B
Free Programming on page 91 .
Check the working procedure in advance to determine whether this
point needs to be changed.
1. Activate the Variables line in the data overview and press
EDIT
.
2. Select the variable to be edited, press
EDIT
and use the
alphanumeric keypad to enter the data specified in the working
procedure (for F1, F2,
λ
1, U1 etc.). Confirm each entry with
OK
.
Abbreviation of Variables:
• F1: Factor 1
• F2: Factor 2
•
λ
1: Wavelength 1
• U1: Conversion Factor 1 for the first chemical form
• U2: Conversion Factor 2 for additional chemical forms, etc.
Timer 1, Timer 2, Timer 3, Timer 4:
The timers are activated or deactivated with the control boxes on
the left of the display. In the next column, a selection can be made
from a list of names that describe the corresponding work step. In
the third column, the times for each active timer are entered.
5.5.6.2 Updating an Existing Barcode Test
Note: Only in very few cases does the revision of a test require all test
specifications to be updated.
Option 1: Manual Update of Test Data
1. Insert the Light Shield in Cell Compartment #2.
2. The instrument needs to be at the Main Menu or press
BARCODE PROGRAMS
in the Main Menu.
3. Insert the sample cell or blank (depending on the working
procedure) into the cell compartment.
4. After "Barcode controlnumber?", a data overview is displayed,
including the specifications of the test that is to be revised.
Note: The working procedures of the corresponding test contains the
new data (Wavelength, Factors, Measurement Ranges, Conversion
Factor for chemical Form, etc.).
5. Highlight the corresponding line and press
EDIT
.
6. When finished programming, press
STORE
and then
CANCEL
to return to the User Programs menu.
7. Press
START
to start the test with the new data.