Garmin GI 275 Pilot's Manual page 90

Engine Indication System
Fuel Est Button
Subdued when
connected to
external fuel sensor
system
Estimated fuel used
calculation
Scroll bar
Swipe left/right to
view more of menu
Calibration
adjustment for
future fuel flow
calculations
Entering Estimated Fuel Remaining (without external fuel sensor):
1) From the 'Fuel' Page, open the page menu and select Options.
2) Ensure the Fuel Est Button is selected (cyan highlight). Then, use the Inner Knob to
adjust the estimated fuel remaining.
Recalibrating fuel flow calculations:
1) From the 'Fuel' Page, open the page menu and select Options.
2) Select the FFLOW Cal Button. A scrolling menu for fuel flow calibration is displayed.
Swipe left or right to view all fuel flow calibration buttons.
3) Select the Act Used Button. Use the Inner Knob to enter the actual fuel used and select
the Enter Button.
4) The estimated fuel used value is compared to the actual fuel used input and a calibration
adjustment is displayed. Select the Recalibrate Button.
5) Touch the Confirm Button to confirm and apply this adjustment to future fuel flow
calculations. To cancel, select the Back Button and return to the fuel flow calibration
menu.
68
Fuel Flow Calibration
Garmin GI 275 Pilot's Guide
Touch to access
Fuel Flow
Calibration
Use Inner Knob to
enter actual fuel
used
Recalibrate to
apply adjustment
to future fuel flow
calculations
190-02246-01 Rev. A