
Acquiring in Automatic Mode from the Instrument Control Panel
Voyager
™
Biospectrometry
™
Workstation User’s Guide 6-47
6
Spiral search
pattern file
The SPIRAL.SP file provided is a 20-point search pattern that
begins searching at the center of the sample position and
spirals outward. This is the best search pattern for uneven
matrix crystals.
Search pattern for
custom plates
If you create a custom plate type for a plate without
laser-etched sample position or wells, with position diameter
larger or smaller than 2,540 microns, create a .SP file for
analysis of the plate. The DEFAULT.SP file is set to analyze
2,540-micron diameter positions, corresponding to standard
sample positions.
For more information, see “Guidelines for creating .SP files”
on page 3-57.
Selecting an .SP
file
To select the search pattern to use:
1. Display the Automatic Control Settings dialog box.
2. Click in the Search Pattern File field.
3. Select the search pattern (.SP) file to use.
4. Click OK.
Creating a search
pattern file
To create a search pattern file:
1. Open the Microsoft
®
Windows NT
®
Notepad text
editor. Refer to the
Microsoft Windows NT User’s Guide
if you need help using Notepad.
2. On the first line, type a semi-colon (;), then type a
description of the search pattern, for example:
;4-point search pattern 3/16/99 BS
Lines that start with a semi-colon are comment lines
and are not recognized by the software. Use comment
lines to identify the file.
3. To change units from microns to steps, type Units=1 on
the next line.
4. Type in coordinates. Separate x and y coordinates with a
comma, and include one X,Y pair per line. There is no limit
to the number of X,Y pairs allowed. Blank lines are
allowed.
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