
Impact of Changing Instrument Settings Parameters
Voyager
™
Biospectrometry
™
Workstation User’s Guide 5-47
5
Reflector mode
• To obtain maximum resolution in Reflector mode for
isotopically resolved species, set the Guide Wire% to 0.
• To increase sensitivity in Reflector mode, increase the
Guide Wire Voltage% to:
• Up to 0.02% for <5,000 Da
• Up to 0.05% for >10,000 Da
PSD mode
In PSD mode, use settings between 0.005 and 0.02 percent.
For more information, see Chapter 7, PSD Analysis.
5.3.5 Understanding Digitizer Settings
This section describes:
• Horizontal digitizer settings
• Vertical digitizer settings
For more information on default digitizer settings, see
“Mode/Digitizer Settings Dialog Box” on page 5-24.
5.3.5.1 Horizontal Digitizer Settings
This section describes:
• Horizontal settings
• Default Number of Data Points/Bin Size settings
• Overriding horizontal digitizer settings
• Effects of adjusting Bin size
Horizontal
settings
The digitizer settings include two horizontal parameters that
affect the data acquired:
• Number of Data Points—Digitizer memory (in data
points) available for data sampling.
• Bin Size (nanoseconds)—Sampling rate of digitizer
equal to the time interval between subsequent data
points.
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