Changing Fuse

Cleaning

Changing memory back-up battery

For Safety

CAUTION

1.Before changing the fuses, ALWAYS remove the power cord from the poweroutlet and replace the blown fuses. ALWAYS use new fuses of the type and rating specified on the fuse marking on the rear panel of the cabinet.

T _-A indicates a time-lag fuse

There is risk of receiving a fatal electric s h o c ~if the fuses are replaced with the power cord connected.

2.Keep the power supply and cooling fan free of dust.

Clean the power inlet regularly. If dust accumulates around the power pins, there is a risk of fire.

Keep the cooling fan clean so that the ventilation holes are not ob- structed. If the ventilation is obstructed. the cabinet may overheat and catch fire.

3.Use two or more people to lift and move this equipment. or use a trolley. There is a risk of back injury, if this equipment is lified by one person.

4.This equipment uses a lithium battery to back-up the memory. This bat- tery must be replaced by a servlce engineer when it has reached the end of its useful life; contact the Anritsu sales section or your nearest repre- sentative.

NOTE: The battery used in this equ~pmenthas a maximum useful life of 7 years. It should be changed before this period has elapsed.

Disposing the batteries 5. The main unit of the MP1777A uses lithium batteries. When d~sposingof the batteries, make sure to conform with the local regulation.

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Anritsu MP1777A operation manual For Safety, Changing Fuse Cleaning Changing memory back-up battery