The Keysight 85721A measurement personality customizes the Keysight 8591C and 8590 E-series spectrum analyzers for easy noninterfering proof-of-performance measurements on NTSC, PAL or SECAM format signals. This software adds dedicated cable TV test functions and measurements for channel and system operation. You can perform many tests with the push of a single key. System monitor capability automates measurements, allowing the analyzer to test without assistance from the operator. It also allows you to design test plans and to turn test data into reports instantly.