Garmin GPS III User Manual download pdf (Page 77)

System Settings

Backlight lets you keep the screen/keypad backlighting on continuously (‘always on’)

when selected, or enable the automatic shutoff to preserve battery life. Automatic shutoff

times from 15 seconds to 4 minutes (since last key press) are available.

To set the backlight timeout:

1. Highlight the ‘Backlight’ field and press ENTER.

2. To keep backlighting on continuously, select ‘Always On’ and press ENTER, OR

3. To set a timeout duration, select the desired time period and press ENTER.

Battery is used to designate the type of batteries currently being used to power your GPS

III: Alkaline, Lithium or NiCad. This setting ensures accurate readings from the battery

gauge on the Satellite Status Page (see page 27).

Contrast lets you adjust the screen for optimum viewing in all lighting conditions. Screen

contrast is set using an on-screen bar scale. Contrast can also be set from the Satellite

Status Page, as described on page 25.

To set the screen contrast:

1. Highlight the ‘Contrast’ field and press ENTER.

2. Use the LEFT/RIGHT keys on the rocker keypad to select desired level and press ENTER.

Display allows you set the display orientation to horizontal (‘Landscape’) or vertical

(‘Portrait’).

NOTE: Display orientation can also be changed by pressing and holding the PAGE key.

You can adjust the screen

contrast from the Satellite

Status Page or from the

‘System’ settings.

Display orientation is

adjustable by pressing/holding

the PAGE key or from the

‘System’ settings.

REFERENCE

Setup Menu: System

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Garmin GPS III User Manual Page 77