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Getting Started
Step 4. Turn on the Keysight 86120B
Instrument firmware version
When the instrument is first turned on, the display briefly shows the instru-
ment's firmware version number. In the unlikely event that you have a problem
with the Keysight 86120B, you may need to indicate this number when commu-
nicating with Keysight Technologies.
There is no output laser aperture
The Keysight 86120B does not have an output laser aperture. However, light
less than 1 nw escapes out of the front-panel OPTICAL INPUT connector.
Operator maintenance or precautions are not necessary to maintain safety. No
controls, adjustments, or performance of procedures result in hazardous radia-
tion exposure.
Measurement accuracy—it's up to you!
Fiber-optic connectors are easily damaged when connected to dirty or damaged
cables and accessories. The Keysight 86120B's front-panel INPUT connector is
no exception. When you use improper cleaning and handling techniques, you
risk expensive instrument repairs, damaged cables, and compromised measure-
ments.
Before you connect any fiber-optic cable to the Keysight 86120B,
refer to
"Cleaning Connections for Accurate Measurements" on page
23.
19
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