Lowrance Mark-5x Pro Operation Manual - Page 22

Settings WARNING: Manual mode should only be used by advanced sonar users. Installation Provides access to Keel Offset and Temp Calibration settings. When the unit is in manual mode, you may not receive any depth readings, or you may recieve incorrect depth information. Fishing Mode Enhances the performance of your unit by providing preset packages of sonar settings geared to specific fishing conditions. For more information about fishing modes, refer to the Basic Operation section. Installation menu Keel Offset All transducers measure water depth from the transducer to the bottom. As a result, water depth readings do not account for the distance from the transducer to the keel or from the transducer to the water surface. Reset Fishing Mode Resets selected fishing mode to default settings. That is useful when you want to clear settings adjustments made while using a fishing mode. 20 Transducer Keel Keel Offset (-3.5 feet)