Corrosion protection

See also:

CD/DVD
- Handle a CD/DVD by its edges. Never touch the surface of the disc. Do not bend the disc. - Always place the discs in the storage case when they are not being used. - To clean a disc, wipe ...

Touch screen maintenance
If you clean the display screen, use a dry, soft cloth. If additional cleaning is necessary, use a small amount of neutral detergent with a soft cloth. Never spray the screen with water or deter ...

Zone variation change procedure
The difference between magnetic north and geographical north is known as variance. In some areas, this difference can sometimes be great enough to cause false compass readings. Follow these instru ...