User`s guide

Instrument Settings Parameter Descriptions
Voyager
™
Biospectrometry
™
Workstation User’s Guide 5-17
5
Voltages
Accelerating Voltage Voltage applied to the first stage ion source. Valid range is
0 to 25,000 V.
For information on settings for different mass ranges, see
Section 5.4.4.2, Setting Accelerating Voltage.
NOTE: The calibration of the mass scale changes
significantly when you change the Accelerating Voltage.
Default calibration adjusts for these changes. However,
you will observe more accurate calibration if you use an
external calibration (.CAL) file generated with the same
Accelerating Voltage. See the Data Explorer Software
User’s Guide, Section 5.3.2, Manually Calibrating, for
more information.
Grid Voltage% Voltage applied to the grid above the sample plate. Valid
range is determined by the Accelerating Voltage. Optimize
in conjunction with Delay Time (described on page 5-18).
See Section 5.3.2, Understanding Grid Voltage%, and
Section 5.4.3.5, Optimizing Grid Voltage%, for more
information.
Table 5-4 Instrument Settings Parameters (Continued)
Parameter Description