EXFO FPM-300 - Product Usage and Conventions; Power Sources; Typical Applications; Conventions Used in Guide

Introducing the FPM-300/FLS-300/FOT-300 3
Power Sources
The units operate with the following power sources:
 AC adapter (connected to standard power outlet—indoor use only)
Compatible car outlet adapter available upon request.
 AA alkaline batteries (automatically take over if you unplug the AC adapter)
Typical Applications
 Transmitter power measurements (dBm and W)
 Fiber-link loss testing (dB)
 Component insertion-loss testing (dB)
 Fiber identification with 270-Hz, 1-kHz and 2-kHz signals
 Fiber installation and maintenance applications
 FTTx: testing of passive optical networks (PONs)
Conventions
Before using the product described in this guide, you should understand the
following conventions:
IMPORTANT
If the battery level becomes too low, the unit turns itself off.
WARNING
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.
CAUTION
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.
CAUTION
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.
IMPORTANT
Refers to information about this product you should not overlook.