OWON HDS-N Series Handheld DSO & DMM
8-Advanced Function of Oscilloscope
▲
/
▼
—CH1 OFF
9.
creen displays "
▲
/
▼
—FFT dB Scale
", press
▲
(red)
and
ue of each DIV, including
1dB
,
2dB
,
5dB
,
10dB
,
d
utton to adjust voltage of CH1, and "
CH1 2v~
"shows in left bottom of
o adjust the position of the waveform along the vertical position such
n.
▼
— Trig
Time
" is displayed, press
OPTION
◄
and OPTION
►
menu
he position of the waveform along the horizontal position. "
FFT
ll be
When FFT source is CH1:
z
If left bottom of the s
▼
(red)
button to adjust dB val
20dB;
z
If left bottom of the screen displays "
▲
/
▼
—CH1 Volts/Div
" , press
▲
(red)
an
▼
(red)
b
the screen;
z
If left bottom of the screen displays "
▲
/
▼
—FFT Zero
", press
▲
(red)
and
▼
(red)
button t
as "
FFT 1.20 divs
" which means the pink cursor departures from the center line for
1.20 DIV, press
VOLTS POSITION (red)
to display "
▲
/
▼
—FFT dB Scale
",
"
CH1 20dB
" shows on the left bottom, that is the arithmetic product is 24.0dB.
The operation steps are the same as FFT source CH2.
10.
Press
OPTION (yellow)
, the following prompts shows on the left bottom on the scree
◄
/
►
— Time Base
▲
/
▼
— Trig
Or
◄
/
►
— Time
▲
/
When "
◄
/
►
—
button to adjust t
-2.00divs
" shown on the left bottom means the section start of the waveform
departures from the Origin for 2.00DIV. The shown frequency of M is the exact
frequency of the cursor point in the middle of spectrum. Shown as Figure.60.
When "
◄
/
►
— Time Base
" is displayed, press
OPTION
◄
and OPTION
►
to
adjust horizontal base on horizontal base, such as "
250Hz/DIV
(
5KS/s
)
" wi
shown on the bottom status bar.
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