Garmin GPS 90 - Manual (Page 16)

Now we’ll need to enter a speed for the aircraft:
1. Use the arrow keypad to highlight to the ‘SPD’ field.
2. Press the E key to begin ground speed entry.
3. Use the arrow keypad to enter a speed of 150 knots.
4. Press E to confirm the speed entry.
Once a speed has been entered, the Nav page will con-
tinuously update as we make our way to the destination
airport. We now need to enter the cruising altitude of our
flight, which can be entered from the Position page:
1. Press the P key until the Position page appears.
2. Press the
U
key to move the field highlight to the altitude
field and press E .
3. Use the arrow keypad to enter an altitude of 2,500 feet (leave
the first altitude digit at zero, or you’ll be at 25,000 feet).
4. Press E to confirm the altitude.
The GPS 90 Position page displays your present lati-
tude, longitude and altitude, along with your curre n t
track and speed over the ground. The top of the page also
features a graphic heading indicator, which displays your
cardinal heading as you’re moving. The time of day, dis-
played in UTC or local time, is indicated at the bottom of
the page. To enter a local time offset, see page 46.
8
Takeoff
Tour
Navigation &
Position Pages
The Navigation page
displays your present
speed and course over
the ground, along
with the distance and
bearing to your desti-
nation. The CDI scale
and relative bearing
indicator help keep
you on course, while
your ETE and cross
track error are shown
at the bottom of the
Nav page.
Present speed
over ground
Graphic heading
indicator
Current GPS
altitude
Present position
Time of day
(local or Zulu)
gps 90 manual 8/6/98 9:58 AM Page 8