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Chapter 6 Operations and Measurements RIGOL
DS8000-R User Guide 6-39
vertical spacing between Cursor A and Cursor B (Y cursors) remains
unchanged.
4. Select Screen Region
âš« When the delayed sweep function is disabled, click More, and "Main" is
automatically selected under Region and cannot be modified.
âš« When the delayed sweep function is enabled, the screen is divided into two
regions: main time base and zoomed time base. Click Region continuously
to select "Main" or "Zoom".
➢ When "Main" is selected, the cursor is displayed in the main time base
region, and you can measure the parameters in the main time base
region.
➢ When "Zoom" is selected, the cursor is displayed in the zoomed time
base region, and you can measure the parameters in the zoomed time
base region.
5. Set the Horizontal/Vertical Measurement Unit
âš« When "X" is selected under Select, you can set the horizontal measurement
unit. When the source can be Math1-Math4, this menu is grayed out and
disabled.
Click More → Hori. Unit to select the horizontal measurement unit. The
available units include "s", "Hz", "Degree(°)", and "Percent(%)".
➢ s: measures the time value at X Cursor (taking the trigger position as
reference). The measurement results include AX, BX, â–³X, and 1/â–³X.
Wherein, AX, BX, and â–³X all indicate time, and 1/â–³X indicates
frequency.
➢ Hz: measures the frequency value at X Cursor (taking the trigger
position as reference). The measurement results include AX, BX, â–³X,
and 1/â–³X. Wherein, AX, BX, and â–³X all indicate frequency, and 1/â–³X
indicates time.
➢ Degree(°): measures the phase value at X Cursor. The measurement
results include AX, BX, and â–³X, and they are all expressed in degree.
This oscilloscope allows you to set the reference position for the phase
according to your needs. After adjusting X Cursor to a desired position,
click Set Reference to take the current cursor position as the
reference. The current positions of Cursor A and Cursor B are
respectively defined as "0°" and "360°". Meanwhile, two vertical
cursors (in blue) that cannot be moved are displayed on the screen as
the phase reference position (the phase position at "0°" and "360°" are
respectively marked by a solid line and a dotted line). Before you set
manually, the oscilloscope adopts the default phase reference position.
➢ Percent(%): measures ratio at X Cursor. The measurement results
include AX, BX, and â–³X, and they are all expressed in percentage. This
oscilloscope allows you to set the reference position for the ratio
according to your needs. After adjusting X Cursor to a desired position,
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