Stanford Research Systems RGA100, Operating Manual And Programming Reference

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5-24 Head Calibration and Security
SRS Residual Gas Analyzer
4. Repeat step 3 for the High Mass Peak Position
5. Iterate between steps 3 and 4 as needed
6. Enter a Width Adjust value for the Low Mass Peak (if needed ) and press scan (The
full width of the mass peak at 10% of its maximum should be less than or equal to 1
amu).
7. Repeat step 6 for the High Mass Peak Width
8. Iterate between steps 7 and 8 as needed
When you are done you may:
•
Press Done if you are satisfied with the results, or
•
Press Undo ALL to revert to the initial settings, or
•
Press Factory Settings to recall factory set values.
Securing the RGA Head
Use this feature in an environment where you would like to restrict access to the head
parameters. When the RGA Head is locked, you cannot perform certain parameter
editing procedures such as Peak Tuning, Sensitivity Tuning, and Ionizer parameter
editing. The encrypted password is stored in the rga.ini file in the Windows directory.
To lock the head parameters do the following:
1. Select the Lock Head Parameters command form the Head menu or click on the Lock
button in the main Toolbar.
2. Enter an alphanumeric password. The password is case sensitive.
3. Confirm the password exactly as entered above.
4. Press Lock.
To Unlock the head parameters do the following:
1. Select the Lock Head Parameters command form the Head menu or click on the Lock
button in the main Toolbar.
2. Enter you password.
3. Press Unlock.