
Airplane Flight Manual Supplement
II Morrow Inc. for II Morrow Apollo SL50/SL60
2345 Turner Rd SE March 17, 1997
Salem, OR 97302 Part #: 560-1006-00
FAA Approved
Date: MAR 31 1997 Page 13 of 16
during flight. The circuit breaker for the navigation functions is labeled SL50/SL60. The
circuit breaker for the communications function is labeled Comm 1.
7.2 N
AVIGATION
S
OURCE
S
ELECTION
The Apollo SL50 GPS/SL60 GPS-COMM system is connected to the aircraft HSI indicator
and autopilot systems using switching relays and source selection switches. The navigation
source selection connections are illustrated in Figure 4 SL50/SL60 Navigation System Block
Diagram. The procedure for selecting the navigation source is included in section 4.5 on page
8.
7.3 C
OMM
S
OURCE
S
ELECTION
The SL60 is selected as the communications source by selecting COM 1 on the existing
audio panel.
7.4 A
POLLO
SL50 GPS/SL60 GPS-COMM O
PERATION
This section highlights several of the basic operational features of the Apollo SL50
GPS/SL60 GPS-COMM. Refer to the user manual listed in Limitation 1 for complete
operating instructions.
7.4.1 Basic Navigation Data
The basic navigation data can be selected on the SL50 GPS/SL60 GPS-COMM display by
pressing the
NAV
button (twice), then rotating the
SMALL
knob to view the navigation pages.
The basic navigation data available includes:
• Bearing and distance to the next waypoint
• Cross track error bar graph and numeric display
• Ground speed and track angle
• ETE (estimated time enroute) to the next waypoint
7.4.2 Viewing Messages
To view messages, press the
MSG
button, rotate the
LARGE
knob to select “new” or “old”
messages, and rotate the
SMALL
knob to view the messages.
The MSG annunciator is illuminated when there are active messages, flashing when there are
new messages. “Old” messages are those messages that have already been viewed as a
“new” message.
7.4.3 Direct To -
a) Waypoint Entry
To enter a waypoint as the next waypoint, press the D
IRECT
-T
O
button, rotate the
LARGE
and
SMALL
knobs to select the desired waypoint, and press
ENT
.
b) “OBS” Entry
To enter a bearing to or from the active “To” waypoint, press the D
IRECT
-T
O
button twice,
rotate the
LARGE
and
SMALL
knobs to select the desired course, and press
ENT
. If waypoint
sequencing was not already suspended (OBS/HLD annunciator illuminated), entering a
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