MFD12 Calibration Settings

s4rs

New member
I was going through the calibration settings on my MFD12 and wanted to set the Draft Depth. My question is do you set the draft as a positive or negative number? IE I have a 2' draft do I set this as -2' in the general settings or a +2'?? My mind says -2' since the hull is under water and the surface is 2' above..
 
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