Fluke FIBER OneShot Pro User Manual page 12

FIBER O S
NE HOT
A
When you press
troubleshooter looks for an optical signal on the fiber. If
there is a singlemode signal stronger than approximately
-29 dBm on the fiber, ACTIVE LINE blinks and the
troubleshooter will not do a test.
If ACTIVE LINE blinks, immediately disconnect the
troubleshooter from the fiber. Optical power levels
more than +7 dBm can cause damage to the detector
in the troubleshooter.
B
When the low battery symbol shows, replace the batteries
soon. See page 4.
C
The digits show the fiber length in feet, kilofeet, meters,
or kilometers.
D
sec : Shows when you look at the setting for the backlight
timer. The setting is in seconds.
6
P Users Manual
RO
Figure 4. Display Features
T
, CheckActive
W
shows and the
™
Caution
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