Measure (Auto Measurement) Menu; Measure, Setting Measurement Items - Iwatsu DS-8814 Operation Manual

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MEASURE (auto measurement) menu

MEASURE
Setting
measurement items
Measured
value
Measurement item
selection order
Setting example
Rise time (Tr)
90%
Base Base
Base Base Base
10%
Measurement interval
+ mark display
Selects any of the 4 items A, B, C and D from auto-measurement
items such as Tr (rise time) and freq (frequency) of a signal, which
are executed simultaneously. For some measurement items,
parameters need to be set and the measurement points are displayed
(+ marks). See Section 2, for details.
1. Through [FUNCTION operation], set the MEASURE
menu to item A (it is possible to select measurement items
in the order shown in the figure at the center left).
Selects item B likewise.
Selects item C likewise.
Selects item D likewise.
2. Depressing the [FUNCTION] knob displays "Parameter
setting for measurement items" corresponding to items A to
D as shown in the figure at the bottom left.
The measurement point of the item currently selected is
indicated with a + mark. This example shows the
measurement interval at the rising edge of the CH1
waveform as shown in the figure at the bottom left.
3. Use cursors to set the automatic measurement interval.
Select ∆1 measurement from cursor measurement, display
H cursors and set it using the FUNCTION knob. (See
"Cursor measurement" on page 22.)
4. Carry out measurement in the interval between cursors (if
H cursors are not displayed, the measurement interval
corresponds to the entire screen).
This example shows the parameter menu of item A (Tr
measurement of CH1).
Sets top and base from the histogram calibration
TOP TOP
TOP TOP TOP
and regards this as 100%.
Sets the rise time measurement end level.
Sets the rise time measurement start level.
Exits the parameter menu.
The level A, B, C or D specified when the menu is displayed is
indicated with plus marks. However, no plus mark appears when
the reference waveform is displayed.