88                               Keysight X-Series Signal Generators Error Messages
Error Messages
List of Error Messages
-221 Settings conflict; Real-Time {name} mode was forced off because there
     are no longer any formats turned on.
            All formats were turned off, so the Real-Time data transform mode
            was turned off as well.
-221 Settings conflict; Reference marker not set for marker delta
     measurements
            No reference marker was set in the analog sweep marker table
            editor. A reference marker must be set before marker delta
            measurements can be performed.
-221 Settings conflict; Reference marker not set for marker delta
     measurements.
            Reference marker not set for marker delta measurements.
-221 Settings conflict; The requested operation is not allowed in a two box
     {name} setup.
            Certain operations, such as setting to equal powers, are not
            allowed in a two-ESG setup. A two-ESG setup exists when either
            Voltage Other ESG or Percent Power Other ESG are greater than 0.0.
-221 Settings conflict; Resynchronizing to an external data clock can only
     be executed when Real-Time Custom mode is on and the BBG data clock is
     set to External.
            This feature attempts to re-synchronize the system to an external
            data clock. This is necessary if the instrument has lost the clock