Voyager DP-263-S Guide de l'utilisateur Page 299

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Optimizing Instrument Settings Parameters
Voyager
Biospectrometry
Workstation User’s Guide 5-69
5
3. If the resolution improves by at least 20 percent
(±10 percent), continue increasing the Delay Time in
100 nsec for Linear mode, or 50 nsec for Reflector mode
increments. Table 5-12 through Table 5-14 list valid Delay
Time settings for different systems and mass ranges.
If the resolution does not improve, decrease the Delay
Time (by 100 nsec for Linear mode, or 50 nsec for
Reflector mode), acquire a new spectrum and observe.
Table 5-12 Voyager-DE, Voyager-DE PRO, and
Voyager-DE STR Linear Mode—Delay Time and Grid
Voltage% Values
Mass Range (Da)
Linear Mode
Delay Time
(nsec)
Grid
Voltage%
500–2,000 50–150 94–96
2,000–10,000 50–400 92–95
10,000–20,000 200–500 91–94
20,000–100,000 400–1,000 90–93
>100,000 1,000–2,000 90–93
Table 5-13 Voyager-DE PRO Reflector Mode—Delay
Time and Grid Voltage% Values
Mass Range (Da)
Reflector Mode
Delay Time
(nsec)
Grid
Voltage%
500–2,000 50–200 72–78
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