Hach-Lange TITRALAB Users Guide - Manual (Page 30)

30 Chapter 1
2. Check icons
The following icons indicate the exact state of your working system.
Sunny icon:
Everything is OK. Run the method or sequence.
Sunny icons are required to run the method .
Cloudy icon:
Action required within 12 or 24 hours. For example calibra-
tion and/or reagent bottle exchange.
Stormy icon:
Electrode/reagent calibration date elapsed or electrode(s)/
reagents(s) not installed.
Question mark:
It is a programming error, reagent and/or electrode is/are
not defined in the selected method. Revise the method
programming.
Calculator icon:
Reprocessing mode (Working mode = Reprocessing) is set
on the instrument.
Refer to Reagent and Electrode windows.
When Cloudy/Stormy/Question mark icons appear, press 1 to run
the “Check” command.
Depending on the icons displayed, the Titration Manager will
automatically guide you through the steps necessary to run the
analysis, see following page.