I A P 2 0 2 3 . 0 0 1 - A F M / I R I S T E X A N I I P A G E | 116
FOR SIMULATION USE ONLY – NOT A TRAINING AID
SYS - HEADING
On the SYS top-level page, depressing the arrow key next to W2 HEADING allows
pilots to view and change the heading bug setting, the compass true/magnetic
selection, and the bearing pointer sources. System heading is also directly
accessed by pressing the lower right LSK of the PFD.
Key Window Action
SYS –
HEADING
HDG
W1 - Is a data entry window with the label HDG and
data consisting of a three-digit number indicating
the current heading bug setting, with a valid range
of 001 to 360.
The current heading bug setting is indicated with
reference to either magnetic or true north,
depending on the current selection.
Pressing W1 activates W1 data entry mode and
display a left-facing filled triangle and allows the
heading caret setting to be changed by using the
alphanumeric keyboard followed by a press of the
ENT button.
MAG or
TRUE
W2 – Has options MAG and TRUE. The compass
true/magnetic selection made in this window
applies across the aircraft.
Pressing W2 toggles between MAG and TRUE.
BP1AAAA
W3 - Is labelled BP1 (bearing pointer #1) and
pressing W3 toggles the BP1 source selection
between options OFF, FMS, and NAV where NAV is
displayed as one of VOR, or LOC.
The bearing pointer #1 source selection in this
window can also be selected on the PFD, and
pages of the MFD.
BP2AAAA
W4 - Labelled BP2 (bearing pointer #2) and
operates in the same manner as W3.
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