Trolling Angles User Guide ArticlesGetting Started Trolling Angles Overview Installation Activation The Main Screen Setup and Start Settings Units of Measure Icon Overview Calibration Calibration Overview Line Angle Measurements Measuring Line Length Measuring Angles Edit Edit Lure Photos Analysis The Calibration List Using the Calibrations List Search / Filter Graphing Backup, Restore, Merge Trolling Trolling Screen Depth Control GPS and Current Correction Graph Gauges Gauge Setup Trolling Speed Control Water Current Gauge Autocline