Users Guide to Switching Baselines

07/29/03, bt

Switching to North-West Configuration

Remove the S. Primary pipe next to the delay lines.
Crank the stage holding the S. Primary fold mirror all the way back, out of the beam.
Disconnect the S. Accelerometer BNC cable (located in the rack just below the sequencer CPU).
Log in, cd to /home/pti/bin, type "NW".
Power cycle the "Cardcage Power" for West, switch (off, wait 5 seconds, on).
Do a FULL reboot, remember to hit the cardcage reset, and the camera reset as well.

Switching to North-South Configuration

Crank the stage holding the S. Primary fold mirror in to the number shown on the stage (2800).
Put in the S. Primary pipe next to the delay lines.
Re-connect the S. Accelerometer BNC cable (located in the rack just below the sequencer CPU).
Log in, cd to /home/pti/bin, type "NS".
Power cycle the "Cardcage Power" for South, switch (off, wait 5 seconds, on).
Do a FULL reboot, remember to hit the cardcage reset, and the camera reset as well.

Switching to South-West Configuration (from NS)

(If starting from NW configuration, some items below will be redundant.)
Disconnect both N and S accelerometer BNC cables on first computer rack.
Set up west beam into south feed, as in NW setup above.
Set up south beam into north feed, by cranking mirror stage next to the LSB align position. (to 20150)
Align LSBs as usual, noting spot for 'south' on North align template.
Put in both S and W plastic tubes extentions
Log in, cd to /home/pti/bin, type "SW".
Power cycle the "Cardcage Power" for South and West, switch (off, wait 5 seconds, on).
Do a FULL reboot, remember to hit the cardcage resets, and the camera resets as well.

ben@s383.jpl.nasa.gov
thompson@s383.jpl.nasa.gov

(version: 11 Feb 2005)