Garmin G500H G500H Cockpit Reference Guide - Page 21

PRIMARY FLIGHT DISPLAY (PFD) The Trim Ball Indicator is the bar beneath the roll pointer. The indicator moves with the roll pointer and moves laterally away from the pointer to indicate lateral acceleration. Trim is indicated by the location of the bar relative to the pointer. One bar displacement as shown below is equivalent to one ball displacement on a traditional Trim Ball Indicator. Roll Scale Zero Roll Pointer Trim Ball Indicator Trim Indication Horizontal Situation Indicator (HSI): Aircraft Heading The top of the HSI displays current heading, current GPS track (magenta diamond), heading trend, and turn rate markings. The heading trend indicates what the aircraft heading will be in six seconds if the heading rate remains unchanged. The turn rate markings, along with the heading trend, display standard and half-standard rate turns. Current Heading Turn Rate Markings PRIMARY FLIGHT DISPLAY Current GPS Track Heading Trend HSI Heading Markings NOTE: If magnetic heading is lost, GPS ground track will be displayed in place of heading. If magnetic heading and GPS ground track are lost, a red "X" will appear in place of heading. 190-01150-03 Rev B G500H Cockpit Reference Guide 11