User Manual

7
7
2. To connect signals for stable waveform display o
n
digital storage oscillograph
.
Please refer to previous example for operation
.
Please refer to previous chapter for adjustment of
horizontal time base and vertical gear
.
3. To improve trigger by setting trigger coupling
.
(1) To press MENU button in trigger area to displa
y
trigger setup menu
.
(2) To set trigger coupling to low-frequenc
y
inhibition or high-frequency inhibition. Low-
frequency inhibition is to set a high-pass filter to
filter low-frequency signal component of less tha
n
80kHz and allow pass through of high-frequenc
y
signal component. High- frequency inhibition is to
set a low-pass filter to filter high-frequency signal
component of more than 80kHz and allow pass
through of low-frequency signal component. It ca
n
be set to inhibit low-frequency or high-frequenc
y
noise respectively to gain stable trigger
4. To reduce display noise by setting samplin
g
modes
.
To adopt average sampling mode to eliminate
display of random noise to thinner waveform and
facilitate observation & measurement if waveform is
thickened by overlapping random noise to
measured signal. Signal details can be observed
convenientl
y by reduced random noise after gainin
g
average value. Detailed operation is as follows
To press ACQUIRE button in panel menu area to
display sampling setup menu To press F1 key as
menu operation key to set obtainment mode to
average status. (As shown in following figure,
)
please adjust average times by pressing F2 key as
menu operation key with step from 2 to 256 b
y
multiples of 2 so that waveform display can meet
observation & test equirements
.
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Operating Manual for UTD2000/3000