Mark Description:
Trigger horizontal distance of position b
comparing with middle point of view window
Mark represents position of current waveform
view window in RAM
Mark position of trigger point in RAM
Mark position of trigger point in current
waveform view window
Display horizontal time base (or main time
base), namely, s/div
-T mode:
X-Y mode:
Y axle refers to voltage and X axle
refers to time quantum under this mode
X axle refers to CH1 voltage and Y axle
refers to CH2 voltage under this mode
Slow scanning mode: Instrument will enter into
slow scanning sampling mode when settin
horizontal time base control to 100ms/div or less. It
is suggested to set channel coupli ng to DC whe
observing low-frequency signal by applying for
slow scanning mode
s-div: Time base control can expand or compress
waveform for horizontal scale (or time base) unit if
stopping waveform sampling (by using RUN/STOP
Oper ating Man ual fo r UTD 2000/3000
2
Figure 2-11 Interface of horizontal system
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