Instruments and indicators36malfunctions while cruising. Press the “ ”(set) button to change to normal display, andthe engine trouble-alert indicator will start toblink.Return to port and consult a Yamaha dealerimmediately.EMU316546Y8 Multifunction metersMultifunction meters have 6 kinds of meterunits; tachometer unit (square or roundtypes), speedometer unit (square type),speed & fuel meter unit (square or roundtypes), and fuel management meter (squaretype). The indicator system is slightly differ-ent between the round and square types.Check the model and type of your unit care-fully. This manual describes mainly the alertindicators. For more details on setting me-ters or changing indicator systems, see theattached operation manual.EMU361856Y8 Multifunction tachometersThe tachometer shows the engine revolu-tions per minute. It has functions of trim me-ter, adjusting trolling speed, coolingwater/engine temperature display, batteryvoltage display, total hour/trip hour display,oil pressure display, water detection alert,engine trouble alert, and periodic mainte-nance notification. If the cooling water pres-sure sensor is installed, the unit can alsoshow the cooling water pressure display.However, even if the cooling water pressuresensor is not installed, the cooling waterpressure display can be shown by connect-ing an optional sensor to the unit. For the op-tional sensor, consult your Yamaha dealer.The tachometer unit is available in round orsquare types. Check your tachometer unittype.ZMU07253ZMU072541. Set button2. Mode button21ZMU05415