Hach DR 3900 Manual Básico Del Usuario página 19

1. In the result display, press Options>More>Chemical Form.
A list of available evaluation forms appear.
2. Select the required chemical form and press OK to confirm.
Hinweis: The selected chemical form is displayed, but does not
become the default. To change the default, refer to
of the default setting of the chemical
Change of the default setting of the chemical form
1. Insert the zero cell or sample cell (corresponding to the process
specification) into the cell compartment.
2. In the result display, press Options>More>Chemical Form.
3. A list of available evaluation forms appear. Select the new default
setting.
4. Press Save as Default.
The current result and all further readings will be displayed in the new
chemical form.
section Change
form.
Troubleshooting
Error displayed Definition
Attention!
Readings with barcode
cuvettes generally
Please insert the light
require the light shield.
shield.
Barcode label not read Barcode faulty
An error occurred
when uploading the
instrument data.
An error occurred when
reading from the USB
memory stick.
An error occurred when
writing to the USB
memory stick.
Please check on the
Error during update.
current update file.
Please contact
Error during update.
Customer Services.
Please check network
configuration.
Please check the
connection.
Please close the cover.
Resolution
Insert the light shield.
Press OK.
Reinsert the cell.
If the barcode is not
recognised, contact the
manufacturer or his
representative.
Start the procedure again
or contact the manufac-
turer or his representa-
tive.
Start the procedure again
or contact the
manufacturer or his
representative.
Start the procedure again
or contact the
manufacturer or his
representative.
Check the USB memory
stick.
Close the cover.
English 19