Garmin 640 Guida Utente

Marine Mode: Advanced Configuration

Use the Configure menu to configure general unit settings.
Use the Menu screen on various chart screens to configure chart-

specific information. 

From the Home screen, touch 

 > 

.

Simulator—turn Simulator Mode 

 or 

. Touch 

 to set 

Simulator options.
Language—touch the on-screen language.
Beeper/Display—set beeper and display options.

Beeper—touch 

 to set when the unit makes audible 

sounds. The settings are 

, 

, and 

(default).

Display—touch 

to open the display menu.

Backlight Slider—adjust the intensity of the backlight.

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Color Mode—touch 

 to select Day Colors 

or Night Colors, or touch 

 to allow the device to 

automatically adjust the colors.
Volume—adjust the volume levels.

Screenshot Capture—toggle the screenshot capture feature on 

and off. With the screenshot capture on, touch and hold 

 

on any screen to take a screenshot. The screenshot is saved to an 

inserted SD card.
Calibrate touch Screen—touch the dots as they appear to 

calibrate the touchscreen.

gpS—view GPS information and change GPS settings.

Skyview—view the GPS satellite constellation.
WaaS/egNoS—toggle WAAS (in North America) or 

EGNOS (in Europe) on or off. WAAS/EGNOS can provide 

more-accurate GPS position information, however, when using 

WAAS/EGNOS, the device takes longer to acquire satellites.
Speed Filter—set the speed filter to 

, 

, or 

. The 

speed filter averages the speed of your boat over a short period 

of time for smoother speed values.

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