Frostbyte's 1980s DOS Shareware Collection/floppyshareware.zip/floppyshareware/GLEN/AMS.ZIP/11.CMT

Text File | 1989-03-19 | 7KB | 235 lines

*** BEGIN TUTORIAL # 1-1 ***
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Tutorial # 1-1 begins with the pilot onboard the Orbiting Laboratory (OL)
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..and ends before transfer to the Landing Vehicle (LV)
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As a mission begins, the pilot is in the OL
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..near the east limb of the near side of the moon
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..moving west in a 150km circular orbit
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*** LOOK at the pilot location display at the top center of the screen
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The "" next to "OL" indicates that the pilot is in the OL
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*** LOOK at the lunar map display (LAND) at the center left of the screen
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The terrain below the OL consists mostly of hills (≈) and craters (O,o,°)
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..with a few valleys (U), a mountain (∩), a rille (\), and a rocky area (*)
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*** LOOK at the docking display (DOCK) at the center right of the screen
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It shows a view of the OL out a window in the top of the LV
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The large, bright rectangular object in the center is the habitat module
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..where the astronauts live and work
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The cross in the center of the display (─┼─) is the docking port
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The structures to the left and right (≡≡≡) are the truss
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..that holds the OL habitat and solar array modules together
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*** LOOK at the INS display at the bottom center of the screen
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It is in "POSitionABSolute" mode
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The first row of the display (left to right) indicates that the OL is
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..at an altitude of about 150,070m
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..at about 81.3° east longitude
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..0.01° north of the lunar equator
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The second row indicates that the OL is
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..slowly losing altitude at 0.5m/s
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..moving west at 1612.1m/s
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..slowly moving north at 0.5m/s
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The third row indicates that the OL is
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..reducing its downward velocity (value greater than zero)
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..moving at a constant westward velocity (value near zero)
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..moving at a constant northward velocity (value near zero)
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The INS display is set to "ORBitABSolute" mode by pressing <F2> and "A"
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The first column of the orbital display (top to bottom) indicates that
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..the OL is in a nearly circular orbit with
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..a perilune (low point) of 149.9km
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..an apolune (high point) of 150.5km
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The top row of the orbital display (left to right) indicates that
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..the angular momentum vector is very near the lunar north pole
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..the orbit is tilted toward 170.65° west longitude (east component)
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..the orbit is tilted by 0.02° from the lunar equator (north component)
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The orbital time is 2hr 2min 41s and is displayed at the lower right
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The INS display is returned to "POSABS" mode by pressing <F1> and "A"
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*** LOOK at the consumables display, just to the left of the INS display
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The title "OL cons" indicates that the OL consumables are being displayed
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From top to bottom, the numbers indicate that the OL has
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..a fully charged battery (99%)
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..83% of oxygen capacity
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..83% of hydrogen capacity
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..83% of RCS propellant capacity
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..9% of water capacity
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..94% of nitrogen capacity
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The "" next to the battery indicates that it is being charged
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..by the OL solar array
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The "" next to the water supply indicates that
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..the OL fuel cells are operating
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The consumables display continues to the left at the bottom of the screen
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The amount of rock on board the OL in kg is shown to the far left (ROCK)
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The "" indicates that the OL has some rock on board, in this case 999kg
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The amount decreases slowly as the OL generates oxygen from the rock
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Just to the right of the rock display
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..the main engine throttle and air supply are shown
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Since the OL has no main engine, the throttle is always zero
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The indicated air supply is 99%, a full load
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LV consumables are shown by pressing <F3> and "L"
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The display indicates that the LV has a fully charged battery
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..a full load of oxygen, hydrogen, RCS propellant, nitrogen, and air
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..a 19% load of water
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Status lights indicate that the LV solar array is operating ()
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..the RCS throttle is set to LOW ()
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The LV is carrying no rock (ROCK) and the main engine is off (THR: 0)
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The OL consumables display is restored by pressing <F3> and "O"
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*** LOOK at the status display, to the right of the INS display
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The first column indicates LV thruster and transponder activity
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From top to bottom, the second column indicates that the
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..the Manned Maneuvering Unit (UN) and Roving Vehicle (RV) are not deployed
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..and not attached to the OL (they are both attached to the LV)
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..the PLSS (PL) is with the pilot but he does not have it on ()
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..the LV is docked () with the OL and not on the lunar surface
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The third column displays
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..pilot metabolic rate (31%), efficiency (72%), and injury (0%)
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The last value is the cabin pressure in kPa or percentage of one atmosphere
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The cabin pressure of the consumables display system is shown
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*** LOOK at the clocks display to the right of the status section
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The universal (UNV) time is UT 8:49 or almost 9am
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The mission elapsed timer (MET) is zero since the mission has not yet begun
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*** LOOK at the damage display at the very bottom of the screen
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The display indicates that all subsystems are functioning normally
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The AMS is put into FAST_TIME mode by pressing "SHIFT-TWO"
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The AMS runs somewhat faster than in REALTIME mode
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..and all of the displays are updated
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The AMS is put into VERY_FAST mode by pressing "SHIFT-THREE"
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Now the AMS runs much faster than REAL_TIME
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..and only the timer displays are updated
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Use the Time Flow commands to quickly advance while nothing much is happening
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The AMS runs in VERY_FAST mode until the OL nears perilune
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The OL is nearing perilune, its closest approach to the lunar surface
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The OL altitude roughly agrees with the value calculated for the perilune
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..149,580m altitude versus 149.9km perilune
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Orbital parameters are difficult to calculate and will vary by
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..a few percent at different locations along the orbit
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The altitude is constant when the vertical velocity is 0.0m/s
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Watch as the altitude slowly begins to rise from 149,579m
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The OL is approaching the subearth meridian
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..the center of the visible face of the moon
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*** LOOK at the body axis displays, at the upper left and right of the screen
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The OL up (U) axis is pointing toward the north
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..and the OL face (F) axis is pointing nearly straight up toward the Earth
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The OL has passed the subearth meridian
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The OL is approaching the terminator at 15° west longitude
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..the line separating the sunlit and dark sides of the moon
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At the start of a mission, the terminator is 15° west of the landing site
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..and moves west at about 0.5° per hour
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The OL has crossed the terminator and is moving into darkness
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The solar array indicator has just gone off since the OL is in darkness
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This concludes TUTORIAL # 1-1 .. the mission continues with TUTORIAL # 1-2
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