FieldMaxII-TOP User Manual
38
Button
Functions
J/W
The main function of this button is to toggle between
Joules and Watts mode. Only Watts mode can be active
when an optical sensor is attached.
Auto
(thermopile and optical sensors only) Pressing the Auto
button instructs the FieldMaxII-TOP to select the best
measurement range for the incoming signal.
Hz
(pyroelectric sensors only) Pressing the Hz button
toggles the Pulse Frequency Display mode. If Hz mode
is on, the pulse frequency displays in the parameter edit
region of the display. If Hz mode is off, the pulse
frequency does not display. If the pulse frequency is
>300 Hz, the displays shows a series of three dashes,
followed by the letters, “Hz.”
Zero
(thermopile and optical sensors only) Pressing the Zero
button causes the analog circuitry to zero its internal
settings by running a zero cycle. If Auto Ranging is not
active, the meter will zero the currently-selected range. If
Auto Ranging is active, the meter will zero all available
ranges for the attached sensor. When a zero procedure is
in process, no other button events are queued or activated
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