Page 7-50 G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
Revision 4 190-00716-01
7.26 ESP Functional Check
NOTE
This procedure is required only for aircraft with the optional Electronic Stability
and Protection (ESP) feature.
1. Apply power to the aircraft and avionics systems by setting the BAT, EXT PWR and AVIONICS
MASTER PWR switches to ON. Ensure G1000 system and components are powered and
operating normally.
2. Verify the DISPLAY BACKUP button on the audio panel is pushed in so that the GDUs will not
operate in reversionary mode.
3. Verify no AHRS, ADC, Autopilot, PFD, AFCS Mode Controller, GCU alert messages or monitor
flags (HDG MISCOMP etc) are present on PFD1 or PFD2.
4. On initial power up verify that the MFD splash screen includes the following graphic:
5. On the GMC 710 couple the Flight Director to the left side by pressing the XFR button. The
arrow that is illuminated indicates which side is coupled. No flight director modes should be
active at this time.
6. On the GCU, rotate the inner FMS knob to activate the AUX – SYSTEM SETUP page on the
MFD.
7. On the MFD AUX – SYSTEM SETUP page press the SETUP 2 softkey.
8. Verify that on the MFD SETUP 2 page there is a window for Stability & Protection and the status
is “ENABLED”.
9. Verify on PFD 1 and PFD 2 that there are no “ESP FAIL”, “ESP OFF”, or “ESP DEGRADE”
alert messages.
10. Cover both GPS1 and GPS2 antennas.
11. Verify on PFD 1 and PFD 2 the ESP Roll Indices are displayed at 45° on the roll indicator on the
Attitude Display.
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