HP 86140A Series User Manual page 19

Auto Align
• moved,
• subjected to large temperature changes, or
• warmed up at the start of each day.
Auto Meas
Appl's
All displayed wavelength values show values as measured in a vacuum. This
default setting can be changed to show values as measured in air. See
change the default wavelength settings" on page 3-63
The OPTICAL INPUT connector on standard instrument versions uses single
mode fiber . Connecting multi-mode fiber to these connectors results in large
reflections and insertion loss.
To ensure maximum amplitude accuracy, connect an input signal to the instru-
ment and then press Auto Align . This starts an automatic alignment procedure
that should be performed whenever the instrument has been:
Press the Auto Meas key to automatically locate the largest signal present at the
input connector.
Additional software applications can be purchased and installed in your opti-
cal spectrum analyzer. These applications automate and simplify your mea-
surement tasks. Press this key to access your applications.
A Quick Tour
A Quick Tour
"To
for more information.
2-3