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lbaops:p483observingnotes [2013/03/11 17:40]
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lbaops:p483observingnotes [2015/12/18 16:39] (current)
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 =====  Observing startup, Part 1 ===== =====  Observing startup, Part 1 =====
  
-  *  Locate VNC session "pkvnc1", to be found on (usually) the left-most screen of the 4-headed control room machine. Go to the left-most of the 4 virtual desktops on this VNC session and look for the GUI "TCS Primary instance"​. Click on the green "​antenna"​ widget and select "​disable",​ to turn this widget orange, releasing control of the antenna.+  *  Locate VNC session "pksvnc1", to be found on (usually) the left-most screen of the 4-headed control room machine. Go to the left-most of the 4 virtual desktops on this VNC session and look for the GUI "TCS Primary instance"​. Click on the green "​antenna"​ widget and select "​disable",​ to turn this widget orange, releasing control of the antenna.
  
   *  Go to the next virtual desktop to the right and look for the "Focus Cabin Switches"​ panel.   *  Go to the next virtual desktop to the right and look for the "Focus Cabin Switches"​ panel.
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 =====  Observing startup, Part 2 ===== =====  Observing startup, Part 2 =====
  
-On the machine "​pisces"​ (immediately to the left of the four-headed displays) find any old xterm and connect to the VNC session pictor:2, using the vlbi VNC password.+On the machine "​pisces"​ (immediately to the left of the four-headed displays) find any old xterm and connect to the VNC session pictor:2, using the vlbi VNC password. This should bring up a NC session headed "​Mk5B"​.
  
   *  On the leftmost desktop in this session find the "​oprin"​ window and type;   *  On the leftmost desktop in this session find the "​oprin"​ window and type;
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   *  The "​atsnap"​ program (2nd workspace in the "​Mk5B"​ VNC session) should terminate cleanly at the end of the schedule, reporting "​antenna deallocated"​. If it hasn'​t,​ kill it with control-C.   *  The "​atsnap"​ program (2nd workspace in the "​Mk5B"​ VNC session) should terminate cleanly at the end of the schedule, reporting "​antenna deallocated"​. If it hasn'​t,​ kill it with control-C.
  
-  *  On the "pkvnc1" VNC session use the "Focus Cabin Switches"​ panel to turn OFF the S/X receiver and  "F/C synthesisers"​.+  *  On the "pksvnc1" VNC session use the "Focus Cabin Switches"​ panel to turn OFF the S/X receiver and  "F/C synthesisers"​.
    
   *  Go upstairs to Rack 8 and turn the "HPIB Extender"​ unit OFF.   *  Go upstairs to Rack 8 and turn the "HPIB Extender"​ unit OFF.
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 The rest of the configuration (selecting receiver, restarting TCS etc) can be safely left to the next observing team.  The rest of the configuration (selecting receiver, restarting TCS etc) can be safely left to the next observing team. 
  
-  *  If there is no other team in sight when you finish, and you want to leave the dish be sure to stow it first, following ​he instructions at the MCP, and confirm the the safety timer has stopped (gone blank).+  *  If there is no other team in sight when you finish, and you want to leave the dish be sure to stow it first, following ​the instructions at the MCP, and confirm the the safety timer has stopped (gone blank). 
 + 
 +====== ​ Additional P483 setup notes - August 2013 ====== 
 + 
 +=====  Observing startup, Part 1 ===== 
 + 
 +  *  This is as above, and should already be taken care of. 
 +  
 +=====  Observing startup, Part 2 ===== 
 + 
 +The second of the four connected displays (on "​bourbon"​) is displaying the VNC session "​vlbi'​s PkMk5B",​ which is running on pictor:2 using the vlbi VNC password. The session shows the Mk5 recorder. 
 + 
 +  *  On the leftmost desktop in this session find the "​oprin"​ window and type; 
 + 
 +-> > status 
 + 
 +to see what the system is doing. It will say "no schedule currently active"​ or indicate where in the schedule it is up to.  
 + 
 +  *  Starting schedule for rd1306. At 3:30am on Thursday morning 22nd Aug (17:30UT), the schedule for t2091 ends and set-up for rd1306 commences. To start the new observing schedule type the following;​ 
 + 
 +-> > schedule=rd1306pa,#​1 
 +-> > mk5relink 
 + 
 +wait a few seconds and then type; 
 + 
 +-> > status 
 + 
 +again to ensure that the system is waiting for the first observation. You can start the recorder schedule as above at any time without affecting the other observers. The first recording starts at 4:03am (18:03 UTC). 
 + 
 +  *  Go one screen to the right to "​pksvnc1"​ VNC session, and in the upper xterm type; 
 + 
 +-> % atsnap rd1306.psn 
 + 
 +to start the antenna following the schedule. You should hear the antenna start moving. 
 + 
 +  *  There is some recabling required at the back of the Mk5 rack for rd1306. This will be documented separately. After completing the recabling re-check the displayed voltages on the 14 active VCs on the front of the Mk5 rack. 
  
  
lbaops/p483observingnotes.txt · Last modified: 2015/12/18 16:39 (external edit)