ROUND COMBINATION SPEEDOMETER AND FUEL MANAGEMENT GAUGE Speed Display Selects ground speed or speed over water     Engine Information • Shows engine operations withan icon and graph or letters • Warning system information Dimmer Function Changes illumination to 5 different settings independently or synchronized with all gauges     Customization Functions • Selectable gauge display • Selectable U.S., metric or nautical measurements     Multi-gauge Display • Surface water temperature, system voltage, depth, trip indicator, clock and fuel information • Selectable gauge display             ROUND TACHOMETER Maintenance Information Informs the customer of the 100-hour maintenance interval     Customization Functions • Selectable U.S., metric or nautical measurements • Resets maintenance interval     Trolling Speed Adjustment Adjust trolling speeds in 50 RPM increments (For F50 - F90) Dimmer Function Changes illumination to 5 different settings independently or synchronized with all gauges     Warning Function Warning system indicator     Multi-gauge Display • Hour, water temperature, water pressure, oil pressure or oil level and engine voltage • Selectable gauge display             <-- Back