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Frostbyte's 1980s DOS Shareware Collection
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AMS.ZIP
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12.CMT
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Text File
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1989-03-24
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5KB
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149 lines
*** BEGIN TUTORIAL # 1-2 ***
36615
Tutorial # 1-2 covers transfer to the LV
36620
..through undocking and separation from the OL
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The INS display is in "POSABS" mode and is set to "POSTAR" mode
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..by pressing <F1> and "T"
36645
The INS display shows the OL position relative to the landing site
36655
The landing site for the tutorials is at 0.02° latitude and 0.05° longitude
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..very near the Permanent Lunar Habitat (HB)
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The Mobile Base (MB) is positioned 0.03° (about 1km) north of the landing site
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Transfer to the LV begins when the OL is 170° east of the landing site
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The pilot is about to move to the LV
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*** WATCH the pilot location display at the top center of the screen
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A "" will appear as the pilot moves to the LV
36805
Transfer to the LV begins and takes about 60s to complete
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Transfer is complete and the pilot is in the LV
36885
*** LOOK at the pilot location display
36895
The "" next to "LV" indicates that the pilot is in the LV
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*** LOOK at the second column of the status display
36915
The ""s next to "UN" and "RV" indicate that both are attached to the LV
36955
The LV consumables display is selected by pressing <F3> and "L"
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Undocking occurs when the LV is 155° east of the landing site
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Undocking begins and takes 60s to complete
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The LV is undocked
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The INS display is set to OL-relative mode "POSOL"
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..so the relative distance between the LV and OL is displayed
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*** LOOK at the next-to-last entry in the second column of the status display
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The docking light (DK) is out, indicating that the LV is undocked
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The LV is 14m from the OL and moving away at less than 0.1m/s
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*** LOOK at the clocks display .. the Mission Elapsed Timer (MET) has started
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*** LOOK at the docking display window
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The LV is drifting right and forward
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The "╤" on the OL are the solar arrays
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The first separation burn, using the RCS DOWN thruster, occurs
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..when the LV is about 50m from the OL
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The OL has disappeared from view
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The LV is 27m south, 2m west, and 36m below the OL
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The LV is 35m south, 10m west, and 57m below the OL
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The first separation burn begins
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..and continues until the separation velocity is 0.2m/s
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*** LOOK at the first column of the status display
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A "" next to "U/D" indicates that the RCS down thruster is on
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At an acceleration of 0.0011m/s², a 0.2m/s change takes about 3min
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The southward velocity has increased to 0.1m/s
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The first separation burn is complete
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Target-relative mode is selected to properly time the second separation burn
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The RCS throttle is set to MEDIUM
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The LV is 108° east of the landing site
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..and is put into the proper attitude for the second separation burn.
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The LV is rolled so that the face body axis is pointing nearly straight up
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The roll is performed at 3°/s since time is short
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*** LOOK at the body axis, attitude, and spin rate displays
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The "3" next to "ROL" indicates that the LV is spinning at a rate of 3°/s
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..counterclockwise about its up body axis
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The roll is completed just in time for the start of the second separation burn
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The INS is set to OL-relative mode to properly time the end of the burn
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The LV is more than 100m from the OL so the second burn may be performed safely
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The second separation burn begins 105° east of the landing site
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..and increases the LV vertical velocity by about 1m/s
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..so that the Descent Orbit Insertion burn occurs
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..near perilune (closest approach) at 165° west of the landing site
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At an acceleration of 0.011m/s², a 1m/s change takes about 90s
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*** LOOK at the attitude and body axis displays
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The LV face body axis is within a few degrees of vertical
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*** LOOK at the first column of the status display
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The "" next to "F/B" indicates that the RCS face thruster is on
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The second separation burn is complete
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The Deep Space Network transponder is turned on
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*** LOOK at the first column of the status display
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The "" next to "DSN" indicates that the DSN transponder is on
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..but not providing updates to the INS
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The "" next to "DSN" indicates that the DSN transponder
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..is providing updates to the INS
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This concludes TUTORIAL # 1-2 .. the mission continues with TUTORIAL # 1-3
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999999