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28
Acquisition menu
ACQUISITION
Displays the acquisition menu.
Sets various functions related to waveform capturing.
(See page 50 in Section 2 for details.)
ACQUISITION
Selects from the following 3 functions. At the top right of the screen,
mode setting
the selection conditions of [Smpl] [Peak] [Avg] are shown.
Normal sampling
Samples the input signal in sweep rate related period.
(Norm Smpl)
Peak detect
Always samples the input signal at 5 ns/sec regardless of the sweep
(Peak Det)
rate, and displays the waveform with Min/Max peak values between
the sweep rate related sample period.
Peak detect can capture glitches without missing events that cannot
be captured by normal sampling.
Averaging
Averages the same sample point data on the time axis by plural sweeps
(Average)
and displays the averaged waveform. The averaging times (count)
can be set by the menu. Averaging can reduce random noise in the
signal.
EQU Sample
Sets the equivalent sampling ON or OFF.
setting
When ON, detects the trigger position of the captured waveform with
a time resolution quicker than the sampling cycle and superimposes
it on the waveform, increasing the apparent sampling speed (max. 10
GS/s). This setting is used to observe repetitive signals.
Roll setting
Sets roll mode ON or OFF.
Displays the waveform in real time when ON. Set to ON to roll
incoming data continuously across the screen. Roll is useful for
continuously observing low frequency signals. The waveform can be
output simultaneously to the built-in printer.
Note: The sweep mode function is varied when roll is ON. (See page
20.)
Persist
Sets persistence ON or OFF. (Can also be set with the PERSISTENCE
setting
button.)
The captured waveform is overwritten on the display when ON. Persist
Length
Sets the memory length to Short (1 k word) or Long (100 k word).
setting
Note: Some functions and operations vary depending on the memory
length. See page 55.
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