Fluke 744 Fluke 744 Users Manual - Page 25
Table 3. Key Functions, Description, Turns the backlight on and off. - documenting process calibrator hart
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Documenting Process Calibrator Operating Features Table 3. Key Functions No. Name Description 1 M key Cycles the calibrator through MEASURE, SOURCE, and MEASURE/SOURCE modes. 2 m key Selects mA (current) measure or source function. For loop power on/off, go to the Setup mode. 3 s key Enters and exits Setup mode to modify operating parameters. 4 Softkeys Perform the function defined by the label above each key on the display. 5 C key Turns the backlight on and off. 6 p key Selects the pressure measurement or sourcing function. 7 t key Selects TC (thermocouple) or RTD (resistance temperature detector) measurement or sourcing functions. 8 r key Toggles between HART communication mode and analog operation. In calculator mode, this key provides the square root function. 9 c key Clears a partial data entry, or zeros the output when in the SOURCE mode. When using a pressure module, zeros the pressure module reading. 15