Abstract: A programmable graphical user interface (GUI) for use in a communication test set which conducts line tests at different communication levels for both a primary signal and a secondary signal. The GUI includes four screens. The first screen displays test results for a first communication level. The second screen for displays test results for a second communication level. The third screen displays test results for a third communication level. And, the fourth screen displays test results for a fourth communication level. The GUI simultaneously displays the first screen, second screen, third screen and fourth screen to provide the user with a comprehensive view of the testing.