Test Failure
Keysight 81618A/9A and Keysight 81620B/3B/4B/6B/8B Optical Heads User's Guide
If the Keysight 81618A/19A Interface module or Keysight
81623B/4B/6B/8B Optical Head fails any performance test, return the
instrument to the nearest Keysight Technologies Sales / Service Office for
repair.
Performance Tests
4
45