Hach-Lange DR1900 User Manual - Manual (Page 10)

Figure 4 Sample cell adapters installation
Install the protective cover
If the instrument operates around bright lights, install the protective cover when the sample cell cover
cannot be closed. Refer to
Figure 5 .
Figure 5 Protective cover installation
User interface and navigation
Keypad description
Refer to Figure 6 for the keypad description and navigation information.
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