HACH LANGE LCK 303, Application Instruction

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System start up
14
12. Press MENU until "Edit" is displayed. Press GREEN key until „S0“ is displayed.
13. Press GREEN key. Enter "00.99" by using BLUE key to change value and
GREEN key to move to the next space. Press GREEN key until "A0" is
displayed.
14. Press GREEN key. Enter "0.203" by using BLUE key to change value 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.
Press BLUE key to scroll through the entries. Compare the entries with the data
shown in the table below.
16. After comparing the entries press MENU two times to enter the measuring
mode. See 4.3 Evaluate HACH-LANGE Ammonium-Nitrogen/ Ammonium
Cuvette Tests on page 17 .
Note: In case of any mistake retrieve the factory calibration first. See 3.5.1 Retrieve the factory
calibration on page 15 . 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.
3.4 Check entered data
To avoid erroneous measurements it is recommended to check the data after
completing the programme procedure.
1. Press MENU for about five seconds until "USER" followed by "CAL" is
displayed.
2. Press BLUE key to scroll to "Edit". Press GREEN key.
3. "RES" is displayed. Press BLUE key to scroll through the entries. Compare the
entries with the figures in the 3.2.2.1 Evaluation as Ammonium-Nitrogen NH4-N
on page 10 .
In case a value was not stored correctly, retrieve the factory calibration first. See 3.5.1
Retrieve the factory calibration on page 15 . After retrieving the factory calibration,
start the programming procedure again.
Table 5 Calibration data of LCK 305
RES --.--
S0 0.99
A0 0.203
S1 12.00
A1 1.871