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Next: Flatfielding Addendum Up: Nominal Procedures Previous: Post Observation

Flatfielding

The ICU is in ``idle'' mode. The filter wheel must be in the ``blocked'' position.

Description tc tm params VxWorks
Description tc tm params VxWorks
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Check HK   90000 h5265=1200 (``blocked'')  
Switch to mode 4 (``engineering'') h9004     tc_mode 4
Set exposure id h7238   h530=exposure_id tc_set_exp_no exposure_number
Send IC_INIT_EXP h7249     tc_send_command IC_INIT_EXP

Wait 5s

       
Enable frame tags h7135   h16=``disabled'' tc_det_enbl_frame_tag 1
Set threshold h7131   h120=30 tc_det_event_threshold 30
Start sending events from mic h5130     tc_det_start_int

Load flatfield window table

h7110   Table 7 det_reset_wind ; det_wind arg, arg, arg, arg ...
Load windows h5110     tc_det_load_windows 4
Wait up to 60s for event   92100 h7000=``win tab load''  

Turn off tracking

h7256   h1040=``on'' tc_set_trk 0
Set BPE binning h7257   h540=``binning'' tc_set_bpe 1
Set up reporting option h7234   h16=``enable'' tc_report_tracking 1
Set up reporting option h7244   h760=``tracking'' h16=``enable'' tc_enbl_verbose 0,1
Set up reporting option h7244   h760=``ref frame'' h16=``enable'' tc_enbl_verbose 3,1
Set the DPU frame time (in units of 1/1024s) h7236   h710=250000 tc_set_frame_time 25000
Set exposure time, in units of frames h7237   h720=40 tc_set_exposure_time 40
Load the memory windows h7242   Table 10 tc_prog_mem_wind `` file''
Load the science windows h7243   Table 11 tc_prog_sci_wind `` file''
Turn on flood LEDs h7134   h1040=3 tc_det_flood_led_current 3
Reference frame processing, done by invoking the choose_guide_stars task on the DPU h7251     tc_send_command IC_CHOOSE_GS
Wait up to 80s for alert DA_EOT_CHOOSE_GS   92212   tm_wait_for_alert DA_EOT_CHOOSE_GS
Set acquisition mode h7130   h110=``hi res win'' tc_det_acq_mode 3
Start the exposure h7252     tc_send_command IC_TRACK_GS
Wait for up to 1200s for alert DA_COMPLETE_EXP. This will take approximately ((frame time in second) $\times$ (exposure time in second) + 60) second   92209   tm_wait_for_alert DA_COMPLETE_EXP
Turn off flood LEDs h7134   h1040=0 tc_det_flood_led_current 0
Flush the compression queue h7255     tc_send_command IC_FLUSH_CMPRS
Wait up to 600s for alert DA_EOT_FLUSH_CMPRS   92217   tm_wait_for_alert DA_EOT_FLUSH_CMPRS
Wait up to 120s for the data to come out        

The ICU is in ``science'' mode.


next up previous contents
Next: Flatfielding Addendum Up: Nominal Procedures Previous: Post Observation

1998-12-23