Lowrance electronic 500 - Manual (Page 24)

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6. EXIT – The Exit key lets you return to the previous screen, clear
data or erase a menu.
7. FIND (Direct To) – The Find key launches the AirMap search
menus. It also allows you to go Direct To items shown in search lists.
8. ZOUT – (Zoom Out) – This key lets you zoom the screen out to see a
larger geographic are on the map. Less detail is seen as you zoom out.
9. ZIN – (Zoom In) – This key lets you zoom the screen in to see greater
detail in a smaller geographic area on the map.
Power/lights on and off
To turn on the unit, press PWR . To turn on the backlight, press PWR
again. Pressing PWR once again will turn off the backlight. (Press EXIT
to clear any message or alarm displays.)
Turn off the unit by pressing and holding the PWR key for 3 seconds.
Main Menu
Aviation Mode has a single Main Menu, which contains some function
commands and some setup option commands. The tutorials in this sec-
tion will deal only with primary functions, the basic commands that
make AirMap do something. These lessons are designed for use with
the unit's options set at their factory defaults. But, if you want to learn
more about the various option settings, see Sec. 5, System Setup and
GPS Setup Options.
To access the Main Menu from any Page: press MENU | MENU . To clear
the menu screen and return to the page display, press EXIT .
Main Menu, Aviation Mode.
The Main Menu commands and their functions are:
Screen command: changes the contrast or brightness of the display screen.
Sounds command: enables or disables the sounds for key strokes and
alarms and sets the alarm style.