Owon TAO3000 Dual-Channel Series, Руководство пользователя

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4.Advanced User Guidebook
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(3) Select Full band in the right menu. The high frequency of the signal will be
allowed to pass.
(4) Select 20M in the right menu. The bandwidth is limited to 20 MHz. The
frequencies above 20MHz will be rejected.
Use the upper knob and the lower knob
If you want to set the vertical position and vertical scale of a channel, press CH1 or
CH2 at first to select the desired channel, then turn the upper knob to set the
vertical position, turn the lower knob to set the vertical scale.
1. The upper knob is used to adjust the vertical positions of the selected
waveforms.
The analytic resolution of this control knob changes with the vertical division.
When the upper knob is rotated, the pointer of the earth datum point of the
selected channel is directed to move up and down following the waveform, and
the position message at the center of the screen would change accordingly
(see
Figure 4-1 ).
2. The lower knob is used to regulate the vertical resolution of the selected wave
forms.
The sensitivity of the vertical division steps as 1-2-5. The vertical scale is
displayed at the left bottom corner of the screen (see
Figure 4-1 ).
Figure 4-1 Information about Vertical Scale
How to Set the Horizontal System
Horizontal control system includes horizontal HOR key, the upper knob and the
lower knob .

The upper knob : When the HOR button is lit, adjust the horizontal positions of