NGSLR Operations Manual
Performing MINICO and Stability Tests
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NASA NGSLR OPS Manual (v1.0)
10.
Make sure the laser is firing at the correct rate
(approx. 2 kHz) This should show up on the main RAT
menu (Figure 6 13).
Figure 6 13: Ratgui main window showing that the SLR laser is firing at 2 kHz
11.
Open the View => O C Range Plot to visually see the returns
12.
Go to View => Quad Detector window to show the actual signal counts
(Figure 6 14)
13.
Verify that the system is receiving between 40 and 200 signal counts
(Figure 6 14) If necessary, adjust
the rotary ND filters to achieve the appropriate number of returns (See note below).
Figure 6 14: Quad Detector window
Adjusting the Rotary ND filters
: The default number of ND s applied by the rotary ND s is 2.0. Look at the signal counts
shown in Figure 6 14. If it isn t in between 40 and 200, remove or add ND s using the
Number of ND s Used
entry in the
Misc
Control
window to get the number of returns within an appropriate range (Figure 6 11).
14.
Begin to Collect Data
Go to the
Misc
menu and from the
Data Logging
pull down menu, set
All Returns
and select
Apply
.
15.
Continue collecting returns for one hour
(or as specified by the development team)
16.
Exit POP to stop collecting returns
To do this, go to the DAM/POP console and type
x <ENTER>
