Guralp Systems CMG-DCM build <10,000 - Manual (Page 223)

Acquisition Modules and Platinum Firmware Monitoring Operations
Clicking the “View details/settings” button produces the following screen:
The first part of the page duplicates the information shown on the main
screen. The remainder of the page provides a more detailed report.
Note: The user must be in the 'Peripheral control (gpio)' group to
make any changes. All other users will only be able to view the
settings.
Low voltage cut-off threshold: It is possible to protect attached devices from
under-voltages by setting a value. If the monitored voltage falls below this
value, it is automatically turned off.
Cut-off hysteresis: To prevent rapid, repeated power-cycling of attached
devices, a hysteresis value should be set. The monitored voltage must rise
MAN-EAM-0003 223 Issue E - February 2014