Garmin G1000 Pilot’s Guide for the Socata TBM 850190-00709-04 Rev. A 609ADDITIONAL FEATURES8.11 ABNORMAL OPERATIONSVS TROUBLESHOOTINGSVS is intended to be used with traditional attitude, heading, obstacle, terrain, and traffic inputs. SVS isdisabled when valid attitude or heading data is not available for the display. In case of invalid SVS data, the PFDdisplay reverts to the standard blue-over-brown attitude display.SVS becomes disabled without the following data resources:• Attitude data• Heading data• GPS position data• 9 Arc-second Terrain data• Obstacle data• TAWS function is not available, in test mode, or failed• The position of the aircraft exceeds the range of the terrain database.REVERSIONARY MODESVS can be displayed on the Multifunction Display (MFD) in Reversionary Mode. If it is enabled when switchingto Reversionary Mode, SVS will take up to 30 seconds to be displayed. The standard, non-SVS PFD display willbe shown in the interim.Figure 8-105 SVS Reversionary Mode
