Hewlett Packard 7400 Series

All devices from the Hewlett Packard 7400 Series, can have an UKB option. This UKB option is a hardware option that allows the usage of DC coupled inputs. This UKB option also allows to use a lower start frequency (down to 100 Hz).

If the UKB option is present, the usage of this option can be enabled in the device driver configuration.