How To Perform A Wavelength Zero - HP 8163A User Manual

Tunable Laser Sources
How to Use Auxiliary Functions
Figure 5-19 Realign Screen

How to Perform a Wavelength Zero

Performing a Wavelength Zero recalibrates the optical wavelength.
This wavelength may drift due to a change in temperature and other
environmental conditions.
A Wavelength Zero is automatically performed when the
instrument boots or when an Automatic Realignment is performed.
To perform a wavelength zero:
1 Move to the Tunable Laser channel and press M .
ENU
2 Move to <λ Z > and press [OK]. You will see the screen in
ERO
Figure 5-20.
128