HACH LANGE POCKET COLORIMETER II Series, Application Instruction

Page: 29 / 152

System start up
27
5. Press BLUE key until "Edit" is displayed. Press GREEN key. " RES" is
displayed.
6. Press GREEN key. "-.---" is displayed.
7. Press BLUE key until "---.-" is displayed. Press GREEN key until "S0" is
displayed.
8. Press GREEN key until "A0" is displayed.
9. Press GREEN key until "S1" is displayed.
10. Press GREEN key. Enter "300.0" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A1" is
displayed.
11. Press GREEN key. Enter "-1.15" by using BLUE key to change value (and/or
the sign) and GREEN key to move to the next space. Press GREEN key until
„Add“ is displayed.
12. Press MENU until "Edit" is displayed. Press GREEN key until „S0“ is displayed.
13. Press GREEN key. Enter "050.0" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A0" is
displayed.
Note: If the pre-decimal place of a negative number is zero it will not be displayed. For
example: "-.195".
14. Press GREEN key. Enter "-.195" by using BLUE key to change value (and/or
the sign) and GREEN key to move to the next space. Press GREEN key until
„S1“ is displayed.
15. Press MENU until "Edit" is displayed to check the entered data. Press GREEN
key. „RES“ is displayed.
16. Press BLUE key to scroll through the entries. Compare the entries with the data
shown in the table below.
17. After comparing the entries press MENU two times to enter the measuring
mode. See 4.3 Evaluate LANGE COD Cuvette Tests on page 29 .
In case of any mistake retrieve the factory calibration first. See 3.5.1 Retrieve the factory
calibration on page 28 . After retrieving the factory calibration, start the programming procedure
again. If the instrument is shut-off or loses power during data entry, all edits will be lost.
Automatic shut-off is 60 minutes.
Table 6 Calibration data of LCK 614 COD
RES ---.-
S0 50.0
A0 -.195
S1 300.0
A1 -1.15