Hach-Lange DR 3800 User Manual - Manual (Page 110)

110
Advanced Operations
6.8.2 Upgrade of 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 3800 in ”Search for documents“.
4. Locate the appropriate download and follow the prompts for
saving the file(s) to the USB memory stick ( Section 9 on page
131 ) or to the PC.
5. Unpack the ZIP file and save the files to the USB memory stick.
6. Press Instrument Update in the System Checks menu.
7. Connect the USB memory stick to the USB interface (type A)
on the instrument, see section 3.4 on page 13 .
8. Press OK. The link is established automatically and the
software is updated.
9. Press OK to return to the System Checks menu.
Note: When the instrument software has been updated, a prompt to restart
the instrument is displayed.
6.8.3 Optical checks
1. Press Optical Checks in the System Checks menu.
The Optical Checks menu contains programs for checking the
wavelength accuracy, stray light and photometric accuracy.
An optional test filter set (Verification Kit) ( Section 9 on page 131 )
containing six precision glass filters, target values and instructions
is available as an aid for carrying out comprehensive in-house
instrument checks.