Cleaning The Display Screen; Resetting Your Display - Raymarine E90W User Reference Handbook

21.5 Cleaning the display screen

A coating is applied to the display screen. This makes it water
repellent, and prevents glare. To avoid damaging this coating, follow
this procedure:
1. Switch off the power to the display.
2. Rinse the screen with fresh water to remove all dirt particles
and salt deposits.
3. Allow the screen to dry naturally.
4. If any smears remain, very gently wipe the screen with a clean
microfibre cleaning cloth (available from an opticians).
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21.6 Resetting your display

Your display may be reset to its factory default settings if required.
Your multifunction display may be restored to its factory default
settings.
There are two types of reset operation:
• Settings reset.
• Settings and data reset.
Settings reset
This option resets your setup menus, page sets, and databar
settings to factory default. It will NOT affect your waypoints, routes,
or tracks data.
Settings and data reset
In addition to the settings reset detailed above, performing a settings
and data reset will also remove ALL waypoints, routes, and tracks
data.
Performing a settings reset
1. Press the MENU button.
2. Select System Setup.
3. Select Settings Reset.
4. If you have password-protected your waypoints, enter your
waypoint password and press the OK button.
5. Select the YES option to perform the reset, or select the NO
option to abort.
E-Series Widescreen User reference