RDG603A20 - Issue 10 Page 36 of 100recommended size will not be covered by warranty.Higher output additional alternators, or travel power kits are available: if larger battery banksare required discuss your individual power requirements with the boat builder or enginesupplier. The maximum domestic battery bank is calculated using the following:- Live aboard, three times domestic alternator, maximum output current.- Weekend cruising or hire fleet use, three and a half times domesticalternator, maximum output current.Example 1:Live aboard application fitted with a 150amp domestic alternator3 x 150 = 450 ampere/hour maximum battery bank sizeExample 2:Weekend cruising or hire fleet application fitted with a 240amp domestic alternator3.5 x 240 = 840 ampere/hour maximum battery bank size.19. Control PanelCAUTIONAll Shire engines are supplied with an engine control panel that shows RPM and hours runand include warning lights and a warning buzzer. The deluxe panels also have additionalgauges for the water temp, oil pressure and battery charging. The panels are designed to besplash proof and are correctly installed with the gauges vertical. Do not install so that theyremain out in the open, or cover up when not on use.The control panel engine tachometer is supplied already calibrated to measure correct enginespeed. If a new control panel, tachometer or alternative alternator is fitted, the tacho willrequire re-calibrating.Control Panel Calibration Procedure: Connect control panel plug to engine wiring loom plug. Turn ignition on (do not start engine). Press and hold black button on rear of tacho until “H-“appears on the digital display atthe bottom of the tacho (on the front).