GRAPHTEC midi LOGGER HV User Manual page 75

Span
Span is a function to set measurement value of the upper and lower edges in the zone.
By using the span setting, you can enlarge or shrink the vertical axis (Y) of the Y-T graph waveform.
Upper edge
Span value
Lower edge
The span value is displayed as the scale display of the CH set to the active CH.
Span value can be changed in the AMP menu. You can perform simple Settings from the digital display.
In the Span setting, use the
Smaller the amplitude value, wider the graph waveform displayed.
In Position setting, use the
CHAPTER 3 Settings and Measurement
keys to change the amplitude of the span.
keys to move the span in parallel.
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