Preferences > Use External Clock
Note: This feature is currently only available on the DI-2108.
Allows you to enable/disable the External Trigger at D6 Ext Trg. The external trigger allows you to send a signal to take a sample through the D6 port of the instrument. Since the device samples at irregular intervals time intervals on the grid display may not be accurate.
In
the Preferences sub-menu click
on Use External Clock.
When the Use External Clock Preference is enabled, a check mark is displayed on the Edit Preferences submenu immediately preceding the Use External Clock command.