Figure 5 Keysight 81949A Compact Tunable Laser Modules; Front Panel Controls And Indicators - Keysight Technologies 81940A User Manual

Introduction Getting Started
Keysight 81949A with
Keysight 81949A with
Straight Contact Connector Angled Contact Connector

Figure 5 Keysight 81949A Compact Tunable Laser Modules

Front Panel Controls and Indicators

Switch the laser source on or off using the switch on its front panel, using
the [State] parameter in the instrument's Graphical User Interface, or
remotely using GP-IB commands. When the Active LED is lit the source is
emitting radiation. When the Active LED is not lit the source is not emitting
radiation.
Keysight 81940A, 44A, 49A, 80A & 89A Compact TLS modules, Edition 5 19