10 MHz Source: Internal, Internal 10 MHz set as the source Output Displays the 10 MHz 1PPS reference source and status. The 10 MHz 1PPS output to the rear panel BNC is active when the 1 PPS Output button is switched on. STATUS Displays the lock status of the 100 MHz source. Rubidium Displays the internal Rubidium status as Acquiring, Locked, or Off. State Set Rubidium state to on or off |