190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
471
AUTOMATIC FLIGHT CONTROL SYSTEM
ROLL HOLD MODE (ROL)
NOTE: If Roll Hold Mode is activated as a result of a mode reversion, the flight director rolls wings level.
When the ight director is activated or switched, Roll Hold Mode isselected by default. This mode is
annunciatedas‘ROL’intheAFCSStatusBox.Thecurrentaircraftbankangleisheld,subjecttothebankangle
condition.
Figure 7-23 Roll Hold Mode Annunciation
Bank Angle Flight Director Response
< 6° Rolls wings level
6 to 30° Maintains current aircraft roll attitude
> 30° Limits bank to 30°
Table 7-5 Roll Hold Mode Responses
CHANGING THE ROLL REFERENCE
The roll reference can be changed by pressing the
CWS
Button, establishing the desired bank angle, then
releasing the
CWS
Button.
LOW BANK MODE
WheninLowBankMode,theightdirectorlimitsthemaximumcommandedrollangleto15°.Lowbank
arclimitsaredisplayedingreenalongtheRollScale.LowBankModecanbemanuallyselected/deselectedby
pressing the BANKKeywhileinHeadingSelectorNavigationModes(GPSandVOR).
Figure 7-24 Low Bank Mode Limits