Garmin GPS 155XL TSO - Manual (Page 17)

The map display has 14 available scales from 0.5 to 300 (nautical miles, statute miles or
kilometers) representing the vertical height of the map. The map scale is controlled by
the
a and b keys, with the current scale displayed in the lower right corner.
To select a map scale:
1. Press
a
to increase the map scale and show a larger area (or turn
K
to the right).
2. Press
b
to decrease the map scale and show a smaller area (or turn
K
to the left).
Another page available under the GPS 155XL’s N key is the navigation
communications (NAVCOM) page. It provides you with a complete list of airport fre-
quencies at your departure and arrival airports, allowing convenient selection of fre-
quencies you’ll need along your flight path. If you do not have an active departure air-
port, the navigation communications page will display the frequencies for the
airport nearest your departure position.
To view the NAVCOM page from the map page, rotate O one stop to the right.
The NAVCOM page lists your departure and arrival airports on the left side of the
page, with all the database frequencies listed in a column down the right side of the
page. To scroll through the list of frequencies, simply rotate the inner knob (
K) in the
direction of the arrow prompts at the bottom left of the page.
Once a direct-to is activated, the NAV summary page will provide navigation to the
destination until the direct-to is cancelled or another direct-to destination is activated.
To cancel a direct-to from the NAV summary page:
1. Press the
C
key to activate the cursor in the destination field.
2. Press
\
.
3. Press
E
. 7
The NAVCOM page lists the frequencies for your
departure (or nearest) and arrival airports.
To change the map scale press
a
to increase the
scale or
b
to decrease the scale.
TAKEOFF TOUR
Map Scales
NAVCOM Page
155xlb manual 1/12/99 4:05 PM Page 7