To enter an initial position reference by waypoint identifier:
1.Rotate
O
to highlight the waypoint identifier field.
2. Use
K
and
O
to spell out the identifier of the desired airport, navaid or user waypoint.
3. Press
E
to confirm the identifier. The waypoint confirmation page will appear, display-
ing the waypoint’s position.
4. Press
E
to confirm the ‘ok?’ prompt.
The position page will now appear, and you may now use most of the GNC 250
navigation features for practice and planning. You’ll also receive a ‘Do not use for nav’
message to remind you that the simulator mode should never be used for actual navi-
gation. During simulator operation, you will be able to enter a ground speed from the
CDI page, and define a course to a destination from the direct-to confirmation page.
Altitude may only be entered by using the VNAV function available from the NAV
menu 1 page (see page 22).
To enter a ground speed from the CDI page:
1.Press
N
and rotate
O
to display the CDI page.
2. Press
C
twice to activate the cursor in the GPS window.
3. Rotate
O
to highlight the ground speed field.
4. Use
K
and
O
to enter the desired speed. Press
E
to accept, and
C
to finish.
To exit the simulator mode, the GNC must be turned off by rotating the
B
knob
counter-clockwise until the unit shuts down. All waypoints and routes created in sim-
ulator mode will be retained in the GNC 250’s internal memory.
85
Enter simulated ground speed from the CDI page.
Entering an initial position reference.
Enter a simulated course from the direct-to confir-
mation page. The GNC 250 will set the course
between route legs automatically when simulating
navigation.
SECTION
C
SIMULATOR
250 real 7/14/98 9:33 AM Page 85