Hach-Lange DR 3900 User Manual - Manual (Page 70)

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Standard programs
.
Timer 1, Timer 2, Timer 3 and 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.
3. When finished programming, press Store and then Cancel
to return to the "User Programs" menu.
4. Press Start to begin the test with the new data.
5.5.5.3 Manual check/revision of test data
If an incorrect entry was made during the data update and is not
recognized via the barcode of the cuvette/sample cell (e. g. an
incorrect measuring range), another option is available for
checking and if necessary revising, the test data.
1. Insert the light shield in cell compartment #2.
The instrument needs to be at the "Main Menu". Alternatively,
select
Barcode Programs in the Main Menu.
2. Insert the zero cell or sample cell (corresponding to the
process specification) into cell compartment (1).
3. Press Options>More>Edit.
A data overview is displayed, with the specifications of the
test that is to be revised.
4. Compare the displayed data with the data in the process
specification and edit the displayed data in accordance with
the process specification.
5.5.5.4 Update via the Internet
Update via USB memory stick
To obtain the software for the update from the Internet at
www.hach-lange.com:
1. Go to http://www.hach-lange.com.
2. Select the country and go to Download>Software.
3. Enter DR 3900 in "Search for documents".
4. Navigate to the corresponding file for download.
5. Open the ZIP file and save the files to the USB storage
device or PC. The files must be unpacked before they are
saved on the USB storage device or PC.
6. Press Instrument Update in the "System Check" menu.