GRAPHTEC GL980 - RANGE Mode;Span Mode

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CHAPTER 3 Settings and Measurement
(3) XY waveform display
XY waveform display is a function to show a graph with measured values for both the horizontal X-axis and
the vertical Y-axis.
Since the graph is drawn based on measured values of CH set on the horizontal axis and vertical axis, it
allows to check the correlation between both data graphically.
XY waveform display mode has RANGE mode, SPAN mode, POSITION dedicated to XY and VERNIER
functions.
Setting operation is much like the operation of the XY pen recorder
XY graph waveform
Digital display
RANGE mode/SPAN mode
This device has RANGE and SPAN mode.
RANGE mode: Switches to the optimum range (amplier sensitivity) in conjunction with the FS (full scale)
range set in the AMP menu.
SPAN mode: Sets the span width when using temperature and humidity, EU function, calculation between
CHs function.
Refer to the following table to see which mode is set in various settings.
Input EU
Calculation between
CHs
Mode
Voltage Off Off Range
On Off Span
Off On Span
On On Span
Root mean square value Off Off Range
On Off Span
Off On Span
On On Span
Temperature - - Span
Humidity - - Span
The mode that is operating currently is displayed on the digital screen.
: RANGE mode
: SPAN mode