Garmin GI 275 Installation Manual page 272

[3] Refer to Section 5.7.2 for P-lead magneto type and propeller-to-engine gear ratio selection.
[4] GEA 24 EIS systems with resistive fuel probes must be configured with the 0-5 Volt sensor configuration.
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Rev. 11
GI 275 STC EIS & MFD Installation Manual
Page C-18