TruTrak Digiflight II Operating Manual - Manual (Page 4)

3
POWER UP—AIRCRAFT STATIONARY
SEE INITIALIZING THE AUTOPILOT PAGE 4
Mode and Data
Display
This display normally
shows operating modes and
associated numerical data. It is
also used to display setup mode
screens and the setting of
associated numerical data.
When displaying operating
modes, the left side shows
lateral data and the right side
shows vertical data. (See figure
below.) The upper left display
labeled
TRK shows the
electronic DG slaved to GPS
track. When the GPS track is
not available TRK will be
replaced by BANK, which
means the autopilot now uses
an internal source of gyro
information for bank angle.
The lower left display shows
the selected bank angle of
flight. In the Digiflight II and
IIVS, the upper right shows
whether or not the unit is in the
altitude hold mode. The lower
right display shows selected
vertical speed or whether the
autopilot is on or off.
With the Digiflight IIVS,
the vertical space between the
left and right hand display
area is used to show pitch trim.
This display consists of four
horizontal bars spaced
vertically as the rungs on a
ladder, and are made to move
up or down when the aircraft is
in need of being trimmed.
In the upper left where
direction is shown, a flashing
indicator is present beneath NO
FIX
. When there is GPS serial
data present but no position fix,
this will be a flashing period.
Once GPS position data
becomes valid this will be a
flashing asterisk and GPS OK.
If GPS flight plan information
is being received over the serial
channel or if the programmer is
a Digiflight IIVSG and GPS
steering information is being
received, a flashing plus sign
will indicate the presence of a
useable steering (
GPSS
mode)
or waypoint to waypoint (GPS
NAV
mode) signal.
A cursor in the form of an
underline is shown beneath the
SEL numerals. This is used to
indicate that an underlined
number can be set by rotation of
the encoder knob.
→
→ ←
↑
TRIM INDICATOR
DG SLAVED
TO TRACK
SELECTED
DIRECTION SELECTED
VERTICAL SPEED