Electronic Control System: Installation Manual for BY Series Engines with Classic Controls Page 1OperationTachometer Menu StructureThe tachometer menu structure (please refer to detailed diagram on the next two pages) is set up with a MainMenu display, accompanied by their respective submenus. Successfully navigating the main and submenusdepends on the familiarization and understanding of how the ENTER, UP, and DOWN buttons are pressed, andin what combination.V1.8To EnTEr or ExiT a submEnu• Press enter button at any Main Menu display to go into submenus.• Press enter button at any time to exit back to the Main Menu.To cusTomizE THE main mEnu• Choose submenu item to replace Main Menu item, then Press and Hold enter button for 3 seconds.this will return you to the Main Menu, replacing the previous item with the one you just chose.backligHT• Press the up/down buttons at same time (OnLY possible when in Main Menu).COnTrOL BUTTOn OPEraTiOnTo Navigate the Menus:• After the “Yanmar Marine Power-on” flashes on, the screen will return to the lastdisplay viewed on shutdown. Use the UP and DOWN buttons to scroll through theMain Menu items from ENGINE DATA to SYSTEM SETUP.• To view the submenu features under one of these Main Menu displays, press theENTER button. Then use the UP button to move forward and the DOWN button tomove backward through the submenus.• Pressing the UP button at the end of the submenu scrolls directly to the firstsubmenu item.• At any time you may return to the Main Menu by pressing the ENTER button.• With a bit of practice, navigating the menu should become second nature.To Customize the Main Menu:It is possible to customize the Main Menu to better suit your boating needs.• Scroll through the submenu until the substitute item is found. Press and hold theENTER button for seconds. The item will be “recognized” as the new choice forthe Main Menu display. You will be returned to the Main Menu with the new itemdisplayed and the previous Main Menu item will become part of the submenu.