Hach-Lange PCII-COD LCK 014_114_314_614 - Manual (Page 26)

System start up
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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 .
Note: 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.
3.3.1.2 LCK 114 COD
1. Press POWER to switch on the instrument.
2. Press MENU. "SEL" is displayed. A flashing arrow indicates the current
measuring range (1 or 2).
3. Select measuring range 1 or 2 for LCK 114 (150-1000 mg/l COD).
Note: Press GREEN key to toggle between measuring ranges.
4. Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
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. "S0" is displayed.
8. Press GREEN key until "A0" is displayed.
9. Press GREEN key until "S1" is displayed.
10. Press GREEN key. Enter "1000" 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 "0.505" by using BLUE key to change value 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 "0150" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A0" is
displayed.
Table 3 Calibration data of LCK 014 COD
RES --.--
S0 1000
A0 0.177
S1 9999
A1 1.650