Firstly, copy the panel.CFG to a safe location.

Open the panel.cfg file using NotePad
Find the section to edit:

[Window00]
file=Caravan_A_panel_BG_640.bmp
file_1024=Caravan_A_panel_BG_1024.bmp
size_mm=640
position=7
visible=1
ident=MAIN_PANEL

gauge00=Cessna208!Clock,2,83
gauge01=Cessna208!Suction,0,142
gauge02=Cessna208!Master-Warning,77,106

Above is the Main Panel Section

Add or remove gauges as required by pointing the code to any gauges installed in one's system.

The delineators used; e.g., gauge00=Cessna208!Clock,1#,2#,3#,4#,

,first number,=position from lefthandside
,second number,= height from top
,third number,= width of gauge (it required)
,fourth number,= height of gauge (if required)