\data\Submarine\NSS_Uboatx\NSS_Uboatx.UPCGE:
[UserPlayerUnit 1.Compartment 5]
CompartmentType= 1
StatusActive= Yes
ID= VIIARadio
NameDisplayable= Radio-Compartment-Name
Type=NULL
FunctionalType= SensorsRoom
MechanicalCoef= 0.2 ;0..1
ElectricsCoef= 0.5 ;0..1
GunsCoef= 0 ;0..1
WatchmanCoef= 0.5 ;0..1
WatchStandingCoef= 0.048
MaintenanceCoef= 0.0144
RepairsCoef= 0.072
ReloadingweaponCoef= 0.072
SleepCoef= -0.12
CrewMembersSlots= 2
EffciencyDenominator=2
EffciencyDenominatorBS=3
Have always been curious to know what these items in yellow actually do. Maybe you can investigate and find out? I know they affect the radioman and sonarman but that's all I know 