you have to have the right setting tell it what transducer u have fishing mode shallow water palatte no. 1 sensentity auto +2 u want a dirty screen anymore more questions call me 585-409-7294 jeff.
check points and spark plugs had one bad plug made a popping noise. also had a high speed skip needed to put a ground wire from alternator to block. good luck
go to setting you have to tell it what transducer your using silver tag on transducer cord. setting shallow water . dont be afraid to run screen a littlle dirty pallet picture no 1
bought mine online for about 200 have to do some rigging and they work nice or go to cabelas 450 for smooth move seat . it was some tractor supply place can not remember the name. good luck.