Anritsu MT9812B, Operation Manual, Page: 126 / 144

Section 7 Maintenance and Re-transportation
7-2
7.1 Daily Care and Cleaning
7.1.1 External Stains
When external stains have grown conspicuous, when the MT9812B was used in
dusty location or before the MT9812B is put to storage for a long time; lightly
wipe the MT9812B to remove stains with a cloth soaked with soapy water. Using
thinner or benzene may cause damage to the coating.
CAUTION
To wipe off stain with a cloth soaked with soapy water,
first turn the power source of the MT9812B OFF and
pull out the power source cord from the power recep-
tacle. Trying to perform operations without pulling the
power source cord off from the power receptacle may
cause electric shock.
7.1.2 Optical connector & optical adapter cleaning
Cleaning built-in ferrule end-face
Use adapter cleaner supplies for this unit to clean the built-in optical I/O connec-
tor ferrule. Clean the ferrule periodically. An example of the FC adapter is de-
scribed below. Follow similar methods and steps for cleaning other adapters.
(1) Open the connector cover.