2-4
Making Measurements
Using the Agilent 83430A
DIGITAL IN (AC COUPLED) Modulation input for digital signals. The input is
AC coupled. BNC connector.
DIGITAL IN
(DC COUPLED) Modulation input for analog signals. This input is
DC coupled. BNC connector.
WAVELENGTH ADJUST knob Allows you to adjust the laser’s wavelength when
the variable mode is activated. Press the PRESET/
VARIABL E button so that t he front-panel light
turns on.
PRESET/VARIABLE button Toggles between preset laser wavelength or
amplitude settings. (Light turns on to indicate
you can adjust the setting using the knob.).
BIAS ADJUST knob Allows you to adjust the laser’s output amplitude
when variable mode is activated. Press the PRE-
SET/VARIABLE button so that the front-panel light
turns on.
OPTICAL OUT connector This connector provides the instrument’s laser
output. A universal adapter is used that can be
removed and replaced with different adapters as
needed (refer to “Front-Panel Fiber-Optic
Adapters” on page 4-4).