Fluke 287 Fluke 287 and 289 Multimeter Users Manual - Page 61

Note X-axis time labels are shown in elapsed time while the timestamp shown under the cursor is an absolute time Table 7. Trend Data Display 1 2 34 01/16/08 09:43:17am x1 40 30 VAC 20 10 0 0:15 0:30 0:45 1:00 1:15 1:30 HH:MM 23.456 VAC 08:13:05 6/28/07 6 7 Item A B C D Description Cursor Start date and time Trend line Zoom level. 5 est35.eps True-rms Digital Multimeters Using Memory E Elapsed time. Units in hours and minutes, or minutes and seconds. F Time scale legend (HH:MM or MM:SS) G Measured value and timestamp of selected record. Zooming in on Trend Data While viewing trend data, pressing 7 or 8 zooms in or out respectively on the data around the cursor. Each press of 7 reduces the x-axis time period by one half to reveal more details. Each press of 8 doubles the time period until all the recorded data is displayed. The zoom level is displayed in the upper-right hand corner of the display. X1 indicates the trend of the complete recording period is displayed. X2 is one-half the recording time. X3 is one-fourth the recoring time. This magnification can continue until the x-axis time period is one second. Deleting Stored Measurement Data Deleting data stored in the Meter's memory is performed through the save menu. Press the softkey labeled Save. Use the softkey labeled Prev and Next to select an item for deletion. The Meter separates stored data into four different categories: Measurement, MIN MAX, Peak, and Recording. Use the cursor buttons to position the menu selector next to a saved data category and then press the softkey labeled View to view the item. Pressing the softkey labeled Delete All will delete all stored data under the selected saved data category. Or press the softkey labeled View. After accepting a confirmation message, use the 51