Viewing the Current Database
Lynx II DSA User's Manual – 7096089 29
Before you start an experiment you simply pick the pre-defined configuration you want to
use by selecting the appropriate MID file and loading it into the run-time database with the
MID Editor. Once loaded into the database, the definitions will remain in the database
even after rebooting the PC.
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 and/or IP address.
Lynx II Building an MCA Definition
Building an MCA Definition means:
• Selecting the MCA and front-end hardware to be used for each input through the
Device Menu. To do so, you add the MCA through the MID Editor’s Edit Menu.
• Defining the operating characteristics and modes for each MCA through the
Settings Menu.
• After your desired settings for this MCA Definition have been achieved, save the
MCA Input Definition as a MID file.
We'll discuss how to add (and delete) the MID editor's MCA entries and will explain what
the definition entry consists of, and how to build an MCA Definition list.
Using the MCA Definition Table
The whole purpose behind building MCA Input Definitions is to let Genie know the
number and types of MCAs you’ll be using with your system. You do this by loading one
or more MCA Definition Files into the MCA Runtime Configuration Database.
This database is shared by all of the programs which make up the Genie software package
and is used by those programs to gain access to the actual MCA hardware in your system.
In this section, we’ll take a look at the procedures used for setting up that database.
Viewing the Current Database
To view the current contents of the database, click on the Database menu’s View
command. If you click on a line in the list, you can use the Device and Settings menus to
look at the details of that definition. Click on OK to close the View window.
Loading and Unloading Definitions (Load/Unload Definitions)
Before you can use an MCA Definition, you’ll have to load it into the database, so we’ll
start with that process. Note that you can’t edit a loaded database; you’ll first have to
unload it as described in Unloading the Database on page 29.
The Load/Unload functions will be disabled while any Acquisition and Analysis
applications are running and have open data sources. This prevents one user from altering
the runtime database while another user is accessing it.
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