Sonar still pings when sonar is off or in standby. It just pings with less intensity.
Originally Posted by Kdixer Sonar still pings when sonar is off or in standby. It just pings with less intensity. Stopped sonar it doesn't ping at all. In standby it pings normally. If you have units that are networked by ethernet, a unit in standby can be a sonar source for other unit(s).