Port Overload Indication (expect Planar 304/1)

Port overload indication function is used to inform the user when the input power exceeds the capacity of the port such that the measurement accuracy does not meet the instrument’s specification. Port overload can occur when testing active devices. When testing passive devices overload cannot occur.

Overload indication is a message in the status bar of the instrument: "Port n overload!", where n - number of the port. The message has a red background color.

When the overload condition is resolved, the overload indication disappears automatically after 2 seconds. In the event of a transient overload, the 2 second persistence enables the user to take notice.

Display of the overload warning cannot be disabled by the user.