Setup Of Horizontal System; Horizontal Control Knob - UNI-T UTD2025C Operating Manual

Setup of horizontal system

Horizontal control knob

Control knob on horizontal surface can be used to
alter horizontal scale (or time base) to trigger
horizontal position (or trigger position) shown in
RAM. Vertical middle point toward horizontal
direction on the screen is time reference point for
waveform. Horizontal scale can be altered for
waveform extension or shrinkage by comparing
with screen center. Horizontal position can also
alter by comparing with position of waveform
trigger point.
Horizontal position: To adjust horizontal position of
channel waveform (including mathematical
calculation). Resolution of such control key varies
according to time base.
Horizontal scale: To adjust main time base, namely,
s/div. Window width can vary with delay scanning
time base by rotating horizontal scale knob when
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Operating Manual for UTD2000/3000
opening extension time base. Please refer to
introduction to extension time base for details. (As
shown in the following form), horizontal menu can
be displayed for horizontal control key menu.
Form 2-6
Function menu Setup
1.
2.
Main time base
extension according to main
time base after opening;
View window
To open extension time base;
extension
Hold off
To regulate inhibition period;
Description
To open main time base;
To close view window