GP1670F_1870F Operator's Manual - Furuno USA

8. ALARMS8.11 Fuel Tank AlarmThe fuel tank alarm warns you when the fuel level goes below the specified percentage.To set the fuel tank alarm:1. Open the [ALARMS] menu then select [FUEL TANK].2. Confirm that the cursor is selecting the top line then push the RotoKey TM .3. Select [On].4. Set the alarm value (5 to 50%, 5% steps).5. Press the ESC/MENU key to close the menu.8.12 Water Tank AlarmThe water tank alarm warns you when the water tank level goes below the specifiedpercentage.To set the water tank alarm:1. Open the [ALARMS] menu then select [WATER TANK].2. Confirm that the cursor is selecting the top line then push the RotoKey TM .3. Select [On].4. Set the alarm value (5 to 50%, 5% steps).5. Press the ESC/MENU key to close the menu.8.13 Black Water Tank AlarmThe black water tank alarm warns you when the black water tank level goes higherthan the specified percentage.To set the black water tank alarm:1. Open the [ALARMS] menu then select [BLACK WATER TANK].2. Confirm that the cursor is selecting the top line then push the RotoKey TM .3. Select [On].4. Set the alarm value (5 to 50%, 5% steps).5. Press the ESC/MENU key to close the menu.8-6