T1 Measurement Screen 
Press the Measurements main menu key to display the Measurement screen.
BERT: Three different displays are available to view results. They are Table, Histogram, and Event List.
Rx Signal: Displays Rx Signal measurements. 
VF: Displays VF level measurements. The submenu allows the user to set the channel number, transmit frequency, transmit level, and audio volume.
Measure Time: Sets the time period of testing, from 1 minute to 3 days.
Clear History: Clears the Event List and any of the red History indicators in the yellow highlighted area of the data display. 
Save Results: This submenu key opens the File menu. 
Submenu keys for the 
Measurement menu are described in section 
Measurements Menu. 
Start/Stop Key
Press this function key to start or stop the measurement that is currently set up on the instrument.