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Advanced Operations
6.1.2 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 LICO 500 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
93) 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 11.
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.
6.1.3 Optical checks
1. Press Optical Checks in the System Checks menu.
The Optical Checks menu for checking the wavelength accuracy,
stray light and photometric accuracy.
An test filter set (Verification Kit) (Section 9 on page 93) containing
four precision glass filters, target values and instructions is
available as an aid for carrying out comprehensive in-house
instrument checks.
6.1.3.1 Verification kit
The Verification Kit (see Section 9 on page 93) is designed for
periodic monitoring of scattered light, photometric accuracy and the
wavelength accuracy of the spectrophotometers.
When results exceed allowable tolerances (given in the quality
control certificate to the test record), contact the manufacturer.
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