I think you mean Delco Carousel IV Version 1.51.

Window0X=CIVA INS

[Window0X]
Background_color=0,0,0
size_mm=180,328
window_size_ratio=1.000 
position=8
visible=0
ident=11041
type=special

gauge00=../civa/INS!Cdu1,  0,138,180,190
gauge01=../civa/INS!Msu1,  0,70,180,68
gauge02=../civa/INS!NavModeSingle,  145,0,35,70
//ins bottom right

[VCockpit01]
gauge36=../civa/INS!Config, 0, 0, 0, 0, CS721

That will get you started. You will need to print and read the docs. Check back if you need help. Don