Chapter 3 - System Setup
26 Lynx™ Digital Signal Analyzer
MCA Input Definition (MID) Editor
This section discusses using the MCA Input Definition (MID) Editor. The MID Edi
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tor is optional, part of the Genie 2000 product, and not a part of the Lynx product.
Note This shows examples of screens and entry names that you might see, not nec
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essarily exact details for your configuration, which can vary.
The MID Editor is used to set parameters of your MCA as desired, and then save those
settings as a MID file. In addition to using the MID Editor to create a new input defini
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tion, it may be used to edit an existing MID file. You may wish to use the MID Editor
to change the default settings for any of the Lynx DSA's programmable components.
Basic Concepts
We’ll review some basic concepts that are important to understand before actually get
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ting into the details of how you define your system’s MCAs.
It is assumed that the hardware portion of your MCA equipment used for the nuclear
detection is set up, and you have the information needed to make input and control ad-
justments for that equipment. Those application settings are saved as MID files.
Multiple MCA Configurations
Since MCA definitions are saved in individual disk files called MID files, you can have
as many definitions as you like. For example, you might have one MCA defined as a
1K Sodium Iodide Spectroscopy MCA in one file and another as a 2K Sodium Iodide
Spectroscopy MCA in another file.
Before you start an experiment you simply pick the configuration you want to use by
selecting the appropriate MID file and loading it.
Because an MCA definition file can include any or all of the MCAs that are available
to your system, you can use more than one MCA at a time. However, each MCA can be
included only once in a given definition file and each MCA in that file must have a
unique name.
Building an MCA Definition
Building an MCA Definition means:
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Selecting the MCA and front end hardware to be used for each input through the
Device Menu. To do so, you Add the MCA to the MID Editor.
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Defining the operating characteristics and modes for each MCA and its
front-end hardware through the Settings Menu.
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After your desired settings for this MCA Definition have been achieved, Saving
the MCA Input Definition as a MID file.
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