METER Mode
THS710A, THS720A, THS730A & THS720P User Manual
3–43
Zero Level. If you select the VDC meter function, the zero level is
located at the horizontal centerline of the graticule; for all other
meter functions, the zero level is the bottom of the graticule. Use the
vertical POSITION rocker to move the zero level.
Reference Level. If the RelD function is turned on, the RelD baseline
value is marked along the left side of the graticule.
VOLTS/DIV Rocker. Use the VOLTS/DIV rocker to set the meter range
and control the vertical scale of the data logger plot. If you change
the vertical scale while the data logger is running, you will cause a
vertical discontinuity; old data is not rescaled to match the current
setting. However, if you change the vertical scale while the HOLD
function is active, the entire waveform is scaled to match the current
setting.
SEC/DIV Rocker. Use the SEC/DIV rocker to control the scroll speed
of the data logger plot. When you change the scroll speed, existing
data in the data logger plot is erased.
Zoom. You can vertically enlarge the data logger plot around the
center of the screen for the VDC function, and around the bottom of
the screen for other functions. The zoom feature allows you to see
the full vertical resolution of the meter.
Use the vertical POSITION rocker to move the plot before choosing
Zoom. Then, choose Zoom in the Vertical Menu to set the zoom
factor (refer to page 3–72). If you change the range or function, the
plot position and size are reset to their default values.
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