Network Instruments Matrix User Manual page 12

NTP Synchronizing with Network Time Protocol servers or pools can provide a low resolution, accurate time
source. If NTP is chosen, one or more NTP servers or pools must be defined.
If you select NTP, you must type an NTP server IP address in Server 1.
4. Click Save.
The clock source is set. Both the system time and date of the Matrix are set by the selected clock source.
12 | Matrix™ (pub. 25.Apr.2014)