EXFO Inline Power Meter - Manual (Page 5)

Power Meter and VFL 1
1 Introducing the Optional
Power Meter and VFL
Your unit can be equipped with an optical power meter to measure
absolute power (dBm or W) or insertion loss (dB). The power meter can
detect modulated signals (1 kHz, 2 kHz, 270 Hz and 330 Hz).
The built-in power meter can also include a visual fault locator (VFL) to
inspect or identify fibers.
Conventions
Before using the product described in this guide, you should understand
the following conventions:
W
ARNING
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury. Do not proceed unless you
understand and meet the required conditions.
C
AUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury. Do not proceed unless you
understand and meet the required conditions.
C
AUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in component damage. Do not proceed unless you
understand and meet the required conditions.
I
MPORTANT
Refers to information about this product you should not overlook.