AS SAID,DI DO NOT GIVE GOOD PIC WHILE SETTING STILL HOWEVER YOU STILL CAN USED IT TO YOUR ADVANTAGE,IT WILL SEPERATE THE LIMBS AND FISH BETTER THAN 2D UNLESS IT IS A THICK BP,YOU WILL LEARN IF YOU ARE SEEING FISH OVER TIME WITH IT ALSO WITH ITS WIDE BEAM IT WILL SHOW BP OR FISH WHEN YOU GET OFF BP A LITTLE AND IF YOU WILL TILT YOUR DUCER A LITTLE TO FRONT THAN WHEN 2D START LOSING BP YOU TURN TM AND IF IT STARTS GETTING STRONGER THAN THAT IS THE WAY TO GO TO GET BACK ON TOP OF IT,ALSO WHEN YOU ARE SEEING BP STARTING TO COME ON 2D AND NOT DI OR GOING OFF IT THEN YOU MAY BE SEEING FISH THAT ARE SIDE OF BRUSH AND YOU WILL KNOW WHERE THEY ARE AND THE DEPTH THEY ARE AT AROUND THE PILE,AS BEEN SAID BOTH UNITS HELP EACH OTHER FOR YOU TO GET BEST INTERPRETATION,ALSO WHILE FISHING BP YOU ARE NOT AFTER GOOD PIC BUT WHERE THE FISH ARE IN RELATION TO BP