
Scaling
Voyager
™
Biospectrometry
™
Workstation User’s Guide I-5
I
Use these knobs to adjust the signal on the oscilloscope:
• Vertical position—Moves the signal up and down
• Vertical scale—Adjusts the amplitude of the signal
• Horizontal scale—Adjusts the width of the signal
• Horizontal position—Moves the signal left and right
• Select—Activates the right or left cursor
• Cursor Control—Moves the active cursor
• Reset button—Resets the oscilloscope screen
For information on using other controls on the oscilloscope,
refer to the manual shipped with the oscilloscope.
The spectrum you see on the oscilloscope is inverted
(Figure I-3).
NOTE: The oscilloscope displays an intensity versus time
spectrum.
Figure I-3 Example of Signal on Oscilloscope
Ch 1 10 mV
0 Acqs
∆ XX.XX ns
@ XX.XX µs
PB100506
Ch 1
Brackets indicate
Position of
active cursor
(solid line)
Difference
between
cursors
time range shown
Number of
scans averaged
Early, low mass
matrix peaks
Later, higher mass
sample peak
Active
cursor
(solid line)
Inactive
cursor
(dotted line)
Intensity
Marker indicates
baseline position
Time
∆
@
# mV/gridline
(changes a scale
is adjusted)
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