Zeiss LSM 880 Operating Manual page 527

LSM 880 Center Screen Area / Image Containers - Display and Image Analysis
You can select a model from the Model pull down menu in the Fit table. Every stored model will be
listed (Fig. 729). Below the Model pull down menu the active channel is displayed in the Channel display
area. The table below lists the terms and parameters of the selected model in the Parameter column, its
current value in the Value column, the type of the parameter in Type column that can be set as Free
(freely floating with initial guess), Fixed (no fit) and Start (freely floating with start value) from the Type
pull down menu between (Fig. 730), the lower and upper limits assigned by typing in the desired number
to the parameter in the Lower limit and Upper limit columns and the type of global linkage in the Link
column, which presently is not activated. Terms in the parameter columns can be activated or deactivated
by ticking or un-ticking the respective check boxes.
Fig. 729 The model pull down menu of the Fit table
In the State display area any abnormal settings will be
displayed. For example, if Number particles and
Geometric factor are both set to free, the system will
comment that one has to be fixed (Fig. 731).
Fig. 731 The State display area with message
To perform a fit press the Fit button. The active correlation function will then be fitted according to the
settings in the Fit table. Pressing the Undo button will cancel the commands in the reverse order of their
placement. The Redo button will become active once the Undo button has been pressed once. It allows
recalling cancelled commands in the order of their cancellation.
Fit results and statistics will be listed in the Result table (Fig. 732). It lists the channel and all parameters
(with or without standard deviation according to the settings) that are present in the Fit table as well as
the Χ
2 (chi 2 ) value of the fit.
Fig. 732 The Result table
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CHAPTER 1 - SYSTEM OPERATION
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Fig. 730 Type pull down menu
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