Garmin G3X Installation Manual page 581

Engine Time Configuration
Engine Time – Engine Time records the total operating time of the engine, in hours. Engine time will be
recorded whenever engine RPM exceeds 100 RPM. To disable engine time recording, select the Standard
RPM field and press the CLR key to delete the Standard RPM value.
The Standard RPM field determines the engine speed at which engine time increments at 1 hour per hour.
Engine RPMs greater than the Standard RPM value will cause engine time to increase faster, and slower
RPMs will cause engine time to increase more slowly. For example, if Standard RPM is set to 2300, engine
time will increase by 1 hour if the engine is run for 1 hour at 2300 RPM, and the recorded engine time will
increment by approximately 0.9 hours if the engine is run for 1 hour at 2100 RPM.
The Engine Time (Current Hours) can only be changed after unlocking the Engine Time Configuration
page by pressing softkeys 2, 3, and 4 in order, then using the FMS Joystick to highlight the Current Hours
field.
NOTE
The Engine Time item is disabled when a FADEC engine is configured. For FADEC
configurations engine hours from the FADEC data interface will be displayed.
Total Time
Total Time – The Total Time displays the total operating time in hours of the aircraft. This time is
displayed on both the Engine Configuration Page and the Total Time Configuration Page. The Total Time
(Current Hours) can only be changed after unlocking the Total Time Configuration page by pressing
softkeys 2, 3, and 4 in order (softkeys are numbered consecutively left-right, see
the FMS Joystick to highlight the Current Hours field. The Record Mode selections are listed in
Table 31-11.
Record Mode Selections
None
Oil Pressure
Flight Time
RPM
190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout
Rev. AA
Table 31-11 Record Mode Selections
Total Time is not recorded
Records Total Time when engine oil pressure is greater than 5 PSI
Records Total Time when aircraft is airborne as determined by GPS data
and the indicated airspeed
Records Total Time when engine RPM is greater than 100
Section
Description
31.2), then using
Page 31-129