-Default Transponder mode is set to STANDBY instead of XPDR.
-Default Transponder code is set to 2000.
-GPU is connected to the aircraft at the start. (There is also a panel state without GPU included in the package)
-Parking brake is set to ON by default.
1- Download and drop the desired panel state file (NOGPU.sav and NOGPU.fmc or GPU.sav and GPU.fmc by your preference*[each state has 2 different files with different extensions. Drop both*) into the "work" folder located in "%AppData%\Microsoft Flight Simulator\Packages\pmdg-aircraft-737" directory. (Folder names can be different between different computers. You will probably find MSFS folder after entering %AppData%. (C:\Users\*your user name*\AppData\Roaming)
2- Close and restart your simulator if it is open. Start a flight with the PMDG 737. In the CDU, enter PMDG OPTIONS then press STARTUP STATE and write the name of the panel state you want to load. COLDDARKNOGPU or COLDDARKGPU)
3- Have a nice flight!