Maintenance
Keysight
N4375D Lightwave Component Analyzer, User’s Guide
121
Replacing the Fuse
(1)
1 On the rear of the optical test set, use a flat- tipped
screwdriver to lever open the fuse holder from
underneath
(1).
2 Pull the fuse holder and fuse clear of the back panel.
3 Take the fuse out of the fuse cap and note the fuse rating.
4 Make sure the replacement fuse has the same rating (T1A,
250V,
Keysight
part number 2110-
0007).
5 Put the fuse into the fuse holder.
6 Put the fuse and fuse cap into the receptacle in the rear
of the case and press it into place.
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