Micromax X249, Руководство по обслуживанию

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X249 L3 Service Manual
7. Warnings and cautions
Warnings

If the device can be installed in a vehicle, Care must be taken on installation in vehicles fitted with. Electronic
engine management systems and anti-skid braking systems. Under certain fault conditions, Emitted rf energy
can affect their operation. If necessary, Consult the vehicle dealer/manufacturer to determine the immunity of
vehicle electronic systems to RF energy.

The product must not be operated in areas likely to contain potentially explosive atmospheres, for example,
Petrol stations(service stations),Blasting areas etc.

Operation of any radio transmitting equipment, Including cellular telephones, May inteerfferwiththe
functionality of inadequately protected medical devices. Consult a physician or the manufacturer of the
menical device if you have any questions. Other electronic equipment may also be subject to interference.

Before making any test connections, Make sure you have switched off all equipment.
Cautions

Servicing and alignment must be undertaken by qualified personnel only.

Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.

Ensure solder, wire, or foreign matter does not enter the telephone as damage may result.

Use only approved components as specified in the parts list.

Ensure all components, modules, screws and insulators are correctly re-fitted after servicing and alignment.

Ensure all cables and wires are repositioned correctly.
ESD protection

Any product of which the covers are removed must be handled with ESD protection. The SIM card can be
replaced without ESD protection if the product is otherwise ready for use.

To replace the covers ESD protection must be applied.

All electronic parts of the product are susceptible to ESD. Resistors, too, can be damaged by static
electricitydischarge.

All ESD sensitive parts must be packed in metallized protective bags during shipping and handling outside
anyESD Protected Area (EPA).

Every repair action involving opening the product or handling the product components must be done
underESD protection.

ESD protected spare part packages MUST NOT be opened/closed out of an ESD Protected Area.