190-00728-04 Rev. A
Embraer Prodigy® Flight Deck 100 Pilot’s Guide
83
FLIGHT INSTRUMENTS
OBS MODE
NOTE: VNV is inhibited while automatic waypoint sequencing has been suspended.
EnablingOmni-bearingSelector(OBS) Modesuspendstheautomatic sequencingofwaypointsin aGPS
ightplan(GPSmust betheselectednavigation source),butretainsthecurrent Active-towaypointasthe
navigation reference even after passing the waypoint. OBS is annunciated to the lower right of the aircraft
symbol when OBS Mode is selected.
WhileOBSModeisenabled,acourselineisdrawnthroughtheActive-towaypointonthemovingmap.If
desired,thecourseto/fromthewaypointcannowbeadjusted.WhenOBSModeisdisabled,theGPSight
planreturnstonormaloperation withautomaticsequencingofwaypoints,following thecoursesetinOBS
Mode. The flight path on the moving map retains the modified course line.
Figure 2-30 Omni-bearing Selector (OBS) Mode
Pressing the
OBS
Softkey Again
Disables OBS Mode
Extended
Course
Line
GPS
Selected
OBS Mode
Enabled
Pressing the
OBS
Softkey Enables
OBS Mode