8.2 Displaying Waveforms During Recording (Roll Mode)
124
This applies to the Memory function only.
You can display and print the waveform at the same time as the data are acquired (if Auto Print is
enabled).
( p.91)
• If measurement is carried out at low sampling speed settings using the Memory
function, a long time will be required until data for the entire recording length have
been collected. In such cases, the Roll Mode function is convenient.
• The new waveform scrolls automatically.
Description When the Roll mode function is On
• Roll Mode and Overlay cannot be used together.
When Roll Mode is enabled, the Overlay setting is forced to [Off]. When Over-
lay is enabled, the Roll Mode setting is forced to [Auto]. ( p.125)
• The roll mode, memory division and waveform calculation functions cannot be
used simultaneously.
• When Auto Print
( p.91) is enabled, printing is available simultaneously with
waveform display (if the internal printer is installed). However, for X-Y wave-
forms, all data must be acquired before printing.
In addition, during evaluation by numerical calculation, automatic printing is carried
out according to the evaluation conditions at the end of the numerical calculation.
When the Roll Mode function is Off
Waveforms are displayed after the data has been acquired for the entire record-
ing length, so with slow sampling there may be a long wait after starting mea-
surement before the waveform is displayed.
8.2 Displaying Waveforms During
Recording (Roll Mode)
Procedure
To open the screen: Press the STATUS key → [Status] sheet
Move the cursor to the [Roll Mode] item.
Off Normal recording. Data is displayed only after acquiring the
specified recording length.
On
Waveforms are displayed while recording (with 10 ms and
slower settings). When the timebase is set to 5 ms/div or faster,
waveforms are not displayed until after acquisition has fin-
ished.
Auto
Regardless of the timebase setting, whether or not the wave-
form is displayed depends on the waveform display magnifica-
tion settings while the data is being recorded.However, if the
waveform display is set for a faster timebase than 20 ms/div, it
is only displayed after acquisition has finished.
During longer recording operations, the waveform will scroll, so that you can
always observe the latest signal.
Roll Mode Function Memory Division Function Waveform Calculation Function
On Off Off
Off On Off
Off Off On
Note: When one function is set to On, the other functions are automatically set
to Off.
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