Section 5 Menu Functions and Procedures
5-6
IDU-450 EFIS Software Version 8.0H (Rotorcraft)
Rev A Apr 2019
9)
#1 Encoder
(
)
a) On a PFD, scroll to activate the heading menu.
b) On MFD pages with an adjustable display scale (e.g., ND, Strikes,
Traffic, Datalink, or Hover,), scroll to change display scale (CW =
increase, CCW = decrease).
c) With the exception of IDU #1, push to swap between the PFD and
MFD. IDU #1 is always fixed to the PFD page.
5.4.2. Top-Level Menu Automatic Pop-up Function Descriptions
Soft menu tiles appear adjacent to buttons under the specified conditions.
Table 5-3: Top-Level Menu Automatic Function Descriptions
Tile Legend and Action in Order of Precedence
FPL
(L1)
1) When a terrain popup occurs during a TAWS FLTA alert,
RESET
appears. (MFD only)
2) When ND page with pan mode enabled,
PN OFF
appears. Press to disable pan mode.
RESET
has
precedence over
PN OFF
. (MFD only)
3) When display is transmit enabled,
LNAV
appears when
there is an active flight plan, heading bug sub-mode is
active, and the system is integrated with an analog
autopilot. Press to deactivate heading bug sub-mode and
resume guidance to active flight plan path. (PFD only)
4) When display is transmit enabled,
MISS
appears upon
transitioning the FAF. Press to activate the missed
approach procedure.
5) When the display is transmit enabled,
HDG
appears when
LNAV sub-mode is active and the system is integrated
with an analog autopilot with HDG mode engaged. Press
to deactivate LNAV sub-mode and resume guidance to
the heading bug. (PFD only)
ACTV
(L2)
1) When showing ND page with: (a) pan mode enabled; (b)
information for the nearest highlighted waypoint is shown;
and (c) airport weather information present in the
information block.
2) When the display is transmit enabled and HRZ SYNC is
armed,
HS ON
appears. Press to engage HRZ SYNC
mode and apply the appropriate offset to displayed pitch
attitude. (PFD only)