Elekta Neuromag NM21283A, User Manual

Page: 71 / 85

Description of the menus 12
NM21283A-A 65
Clear histories
Clears the history records of all the channels. See “Viewing noise
history of a channel” on page 17.
Toggle broken status
Toggle status flag used for marking broken channels. See “Marking
broken channels” on page 57.
12.5 Search Menu
This menu contains buttons that allows you to find channels according to
some characteristic feature of the channel. In order to make these searches
to work, the particular characteristic of the channel must be first mea-
sured. See “Searching channels” on page 56.
Worst offset
Find channel with largest error in “fraction” parameter.
Worst Noise
Search the channel with largest white noise.
Weird Phi0
Search the channel whose measured flux quantum differs most from
the average.
Next
Search next channel. This button performs an incremental search
using the same criterion as the last search (activated by one of the
buttons described above) to find second, third etc. bad channel.
12.6 View Menu
This menu contains buttons that select the information shown on the
graphics area. This setting is also changed to a default value when a job is
selected from the Job menu, so it is not often needed.
Channel Info
This button pops up a dialog box that shows miscellaneous informa-
tion about the current settings of the selected channel. See “Operat-
ing point parameters” on page 53.
Raw trace
Show the I-Phi data time trace.