Optical Backscatter Reflectometer 4600 199
User Guide
fuse drawer
power module
Warning To avoid the risk of serious injury or death, ensure that the
power cord is disconnected from the instrument when
checking or replacing fuses.
To replace fuses
1 Disconnect the instrument power cord.
2 Place the blade of a screwdriver or similar tool in the slot at the bottom
of the fuse drawer, then gently pry the drawer out of the power module.
9
3 Replace fuses with Bussmann AGC-2 type 2A @ 250VAC 1 ¼” x ¼”
fast acting (FA) fuses, rated FS01008.
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