Guralp Systems CMG-DCM build <10,000 - Manual (Page 87)

Acquisition Modules and Platinum Firmware Networking Configuration
7.4.1.2 NTP tab
The NTP tab contains the following configurable options:
Acquire time from connected digitisers: This check-box tells the system that
one or more attached digitisers are to be considered as accurate clock sources.
For this to work, the digitiser must produce “RTSTATUS” packets.
CMG-CD24 digitisers and digital sensors incorporating them, such as the
CMG-6TD, will do this unconditionally when running firmware version 279
or later. CMG_DM24 digitisers can have these packets enabled or disabled via
MAN-EAM-0003 87 Issue E - February 2014