Hach-Lange DR 3900 User Manual - Manual (Page 111)

111
Expanded programs
6.8 System Checks
1. Press System Checks in the Main Menu.
The "System Check" menu contains instrument information
and various performance tests.
6.8.1 Instrument Information
1. Press Instrument Information in the "System Check" menu.
2. The model, serial number and software version are
displayed.
6.8.2 Update the instrument software
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 Iinstrument Update in the "System Check" menu.