I'll try to do this off the top of my head as best as possible.
Electrical / FE Panel
1) Turn on the battery
Overhead Panel
2) Press "Ground Call".
3) Follow instructions of ground crew.
Electrical / FE Panel
4) When GPU Connected light illuminates, turn on the external power switch.
5) Turn the ESS PWR rotary to "EXT PWR"
Now you have external power. When you're ready for start, turn on your beacons (important to let everyone know you're about ready to start in the real world). Once this is complete -
Overhead
6) Push "Ground Call" button. Dialogue will ensure that will end up with "cleared on #3" and then the "Huffer Cart" (Air Start Unit) throttling up.
Fuel / FE Panel
7) Check that all main tank fuel pumps are on and that all crossfeeds are closed.
Pressurization / FE Panel
8) Check that air supply is showing at least 35 PSI.
9) Check that all engine bleed air valves are OPEN.
10) Check that all crossbleed valves are OPEN (if there are any, can't remember).
Overhead / Start Panel
11) Move the #3 start switch to "Ground".
Main Panel
12) Verify rotation of #3 N2 passing 15%
Pedistal / Throttle Quadrant
13) Move #3 fuel thingy to "Start". Engine should light around 20% N2 and the fuel thingy will automatically move to the "Run" position.
Electrical / FE Panel
14) Turn on the #3 Generator
15) Turn the ESS PWR rotary knob to GEN #3
Overhead Panel
16) Press "Ground Call" button. You will hear the "Huffer" shutdown. You are now clear for pushback.
OTHER
Pushback off the stand/gate/parking spot if required. Once pushback complete, or if no pushback required, when ready -
Pressurization / FE Panel
17) Throttle #3 engine up until the Air Flow gauge shows 35 PSI.
18) Repeat steps #11 through #15 for engines 4, 1, & 2 in that order. When complete -
Main Panel
19) Return the #3 engine to idle.
Electrical / FE Panel
20) Set the ESS PWR rotary to GEN #1.
Fuel / FE Panel
21) Confirm all main tank fuel pumps ON
22) Confirm AUX tank feed valves and pumps are OFF.
23) Confirm CENTER tank pumps are ON.
24) Move #1 Crossfeed to OPEN.
25) Confirm that all other crossfeeds are CLOSED.
Once you're airborne and in the climb, you will reconfigure your fuel system according to the chart that was provided in
this thread. All takeoffs are performed tank-to-engine regardless of fuel state.