Electronics International CGR-30P - Manual (Page 23)

4.1 Fuel Quantity:
The Fuel Qtys screen provides the current estimated fuel level for each
fuel tank or the estimated total fuel on-board the aircraft. Estimated
individual fuel tank levels may or may not be displayed depending on the
configuration of the fuel system for the aircraft (i.e.; the CGR-30P will
only show Total Fuel on-board for an aircraft that feeds the engine from
one tank and returns the fuel to another tank or where both tanks can be
selected).
WARNING: The estimated fuel levels are only estimates and should
not be the only means of determining the fuel level in a fuel tank.
4.2 Selecting a Tank:
If the estimated fuel level for each tank is displayed, you are required to select the appropriate tank in the CGR-30P
at the same time you physically select the tank in the aircraft. In this way the CGR-30P provides an estimate of the
fuel in each tank of the aircraft. This is accomplished with the Select Knob. If only the total fuel on-board is
displayed, synchronizing the selection of tanks in the CGR-30P with the physical selection of tanks in the aircraft is
not required.
4.3 Adding Fuel:
To provide an estimate of the fuel on-board the aircraft the fuel levels shown in the CGR-30P must be updated
when fuel is added to the aircraft. A blue add fuel screen is displayed at every power-up to remind the pilot to
update the fuel levels displayed in the CGR-30P.
To add fuel, navigate to the “Change To” column in the Fuel Qty screen using the Select Knob. There are two
default fuel levels (set in the Fuel Tank Setup screen) and an add amount feature available.
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