Motorola MT2090 用户手册

This chapter provides suggested maintenance and troubleshooting for the device, batteries and accessories.

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

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 small 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 dashboard 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 accessory cover, the device 
is not water/dust sealed.

Do not use window cleaning solution. Use a soft cloth dampened with a 50/50 solution of isopropyl alcohol 
and water.

Do not allow the solution to form a pool of liquid anywhere on the screen or device.

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. Apply the 
tape to surfaces and then peel the tape away; in most cases the dirt can be removed along with the tape.