Near Intersection of I-35 & I-90 Southern Mn. | If it shows SP1 then it has the SP2 option. On the older ones you needed to cause them to drop all their programming so be certain to write down the boom widths, meter cals etc before hand. If it has a 9 Volt battery remove the battery and the fuse for a while. Replace the fuse and turn the power back ON, it will probably show US so accept that then you will see SP1 so keep pushing keys until that changes to SP2, you will then see C-SD which is likely what you want so accept that and start reentering the numbers.
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Can't change to SP2 on Raven 440
