Power sources, Typical applications, Conventions – EXFO EPM-500 Power Meter User Manual
Page 8: Power sources typical applications conventions, Mportant, Arning, Aution

Introducing the EPM-500/ELS-500/EOT-500
3
Power Sources
The units operate with the following power sources:
³
AC adapter (connected to standard power outlet—indoor use only)
Compatible car outlet adapter available upon request.
³
Li-Ion rechargeable battery (automatically takes over if you unplug the
AC adapter)
Typical Applications
³
Transmitter power measurements (dBm and W)
³
Fiber-link loss testing (dB)
³
Component insertion-loss testing (dB)
³
Fiber identification with 270-Hz, 1-kHz and 2-kHz signals
³
Fiber installation and maintenance applications
³
FTTx: testing of passive optical networks (PONs)
Conventions
Before using the product described in this manual, you should understand the
following conventions:
I
MPORTANT
If the battery level becomes too low, the unit turns itself off.
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.