| 摘要 |
<p>A test instrument provides a trend display mode in which the instrument presents a simplified, graphical representation of measurement data acquired over an extended period of time called a test interval. The graphic "trend display" is updated periodically at a shorter, user selectable frequency called the trend interval. The invention is disclosed in a preferred embodiment in which it is deployed in a portable test instrument similar to a digital multimeter. <IMAGE></p> |
