Great Plains DICKEY-john AI-120 12-inch Virtual Terminal - Manual (Page 97)

OPERATOR’S MANUAL
AI-120 Virtual Terminal
11001-1606B-201310
MAIN OPERATOR SCREEN / 89
Figure 126
GPS Position Window
VEHICLE ORIENTATION
– Altitude: Vehicle height above sea level in meters
– Heading: Heading of vehicle in degrees
– Speed: Actual vehicle speed moving across the ground in
kilometers pher hour (kph)
– Roll: Measurement of the left/right tipping of the vehicle off the
center axis
– Pitch: Measurement of the forward/backward tipping of the vehicle
off the center axis
Figure 127
Vehicle Orientation Window
GPS ACCURACY
The number of detectable satellites, the correction age in seconds, and the
HDOP. A low HDOP value displays a more accurate GPS reading.
NOTE: An obstruction of the GPS
antenna could cause an HDOP
value to increase leading to
inaccurate GPS position
readings. Figure 128
GPS Accuracy Window