Chapter 15 Maintenance and Troubleshooting
Introduction
This chapter provides suggested maintenance and troubleshooting for the device, batteries and accessories.

Maintenance

For trouble-free service, observe the tips that follow when using the devic e and its accessories.

MT20X0

Do not scratch the screen of the device.
Although the device is water and dust resistant, do not expose it to rain or moisture for an extended period of
time. In general, treat the device as a pocket calculator or other sm all electronic instrument.
Do not clean the device or expose it to rain or moisture when the battery is removed . Without the battery,
the device is not water/dust sealed.
Do not drop the device or subject it to strong impact.
Protect the device from temperature extremes. Do not leave it on the dashboar d of a car on a hot day, and
keep it away from heat sources.
Do not store or use the device in any location that is extremely dusty, damp, or wet.
Do not store or use the device with the auxiliary accessory cover off. Without the acc essory cover, the device
is not water/dust sealed.
Do not use window cleaning solution. Use a soft cloth dampened with a 50/50 soluti on of isopropyl alcohol
and water.
Do not allow the solution to form a pool of liquid anywhere on the screen or devi ce.
Do not use a large amount of solution to cause the device to remain wet.
The display screen and scan window can often be cleaned with common office (Scotch) tape. Appl y the
tape to surfaces and then peel the tape away; in most cases the dirt can be removed a long with the tape.