Fluke 287 Fluke 287 and 289 Multimeter Users Manual - Page 57

The primary display indicates the input signals pulse width in milliseconds. The frequency of the signal is displayed in the secondary display. The mini-measurement display indicates the volts or amps value of the input signal. The bar graph tracks the volts or amps value of the signal and not the pulse width value. The pulse width polarity is displayed to the right of the duty cycle value. J indicates a positive pulse width and K indicates a negative pulse. To change the polarity, press the softkey labeled J K. The polarity indicator changes to the opposite polarity. Changing Meter Setup Options The Meter has a number of preset features such as date and time formats, backlight and battery save mode timeouts, and the displayed language. These variables are referred to as Meter setup options. Many setup options affect general Meter operations and are active in all functions. Others are limited to one function or group of functions. Access to the setup options is always available through the softkey labeled Setup. Information about the Meter, such as serial number, model, for example. is also accessed through the setup menu. Resetting Meter Setup Options The Meter's setup options can be reset to default values through the setup menu. Open the setup menu by pressing the softkey labeled Setup. Position the menu selector next to the menu item labeled Reset and press the softkey labeled Setup. A message will appear asking to confirm the reset action. Press the softkey labeled OK to perform the reset. True-rms Digital Multimeters Changing Meter Setup Options Note A setup reset also resets the temperature offset and dBm reference to their default value. In addition to resetting the setup variables, pressing the softkey labeled Meter will also clear all saved measurement screens, MIN MAX screens, peak screens, and recording records. The Meter's clock is reset to a default value as well. Setting Display Contrast Meter display contrast can be adjusted through the Meter's setup menu. Open the setup menu by pressing the softkey labeled Setup and position the menu selector next to the menu item labeled Contrast. Pressing the softkey labeled + (F1) increases display contrast, while the softkey labeled - (F2) decreases contrast. Contrast can also be set through the 7 and 8 buttons when not being used to move between menu selections. Setting the Meter's Language The Meter comes from the factory with the display language set to English. To select another language, open the setup menu by pressing the softkey labeled Setup. Move the menu selector next to the menu item labeled Display. Next, press the softkey labeled Format (F2) to open the format menu. If not already selected, move the menu selector to the left of the menu item labeled Language and press the softkey labeled Edit. The currently selected language becomes highlighted and f appears to the right of the language. Use 7 and 8 to scroll through the available languages, then press the softkey labeled OK to set the Meter's display language. Press the softkey labeled Close to return to normal Meter operation. 47