Switching On/Off; Changing The Lighting And Contrast - Raymarine RC400 Owner's Handbook Manual

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3.2 Switching On/Off

➤
To turn the chartplotter unit on, press the POWER key. The keys
illuminate and the Raychart logo is displayed, followed by this warning:
THE ELECTRONIC CHART IS AN AID TO NAVIGATION
DESIGNED TO FACILITATE THE USE OF AUTHORISED
GOVERNMENT CHARTS, NOT TO REPLACE THEM. ONLY
OFFICIAL GOVERNMENT CHARTS AND NOTICES TO
MARINERS CONTAIN ALL INFORMATION NEEDED FOR
THE SAFETY OF NAVIGATION AND, AS ALWAYS, THE
CAPTAIN IS RESPONSIBLE FOR THEIR PROPER USE.
When you have read and understood the warning, press the ENTER key.
Note: As protection against unintentionally powering on the unit and
draining the batteries, you must press the ENTER key within 30 seconds
of pressing POWER or the unit will power itself OFF again.
If this is the first time that the chartplotter has been switched on and no
chart card is installed, the display shows the background world map at
Lat. 0°/Lon 0°.
➤
To turn the unit off, press and hold the POWER key. A countdown timer is
displayed. Keep holding the key until this reaches zero when the unit will
power off.

Changing the Lighting and Contrast

You can change the level of backlighting and contrast for the screen. The
backlights for the keys are constantly lit for safety. To change the lighting
and contrast:
1. Press the POWER key to display the lighting controls.
The CONTRAST control is highlighted with a dark outline.
WARNING:
RC400 GPS Chartplotter