MARINE ECHO SOUNDER, Fish Finder, Fishfinder, Echo Sounder, Echosounder, Depth Finder, Fish Sounder, ONWA® 5.6-INCH COLOR ... basic ranges can be changed on the system menu.(4) Range ShiftUp to 300 meters (1000 feet, ... 200 passi/braza)(5) Zoom RangeTimes 2, 3, 4 and 5 ranges(6) Bottom Lock Expansion Range5/10meters ... % at 40°C(3) Water proofingDisplay Unit: IPX4(4) Vibration±1mm ±10%, 2(5) to 13.2Hz ...