UNI-T UTD3025C

Oper ating Man ual for UTD2000/ 3000
2
7
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 i
n
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 comparin
g
with screen center. Horizontal position can als o
alter by comparing with position of waveform
trigger point
.
Horizontal position: To adjust horizontal position of
channel waveform (including mathematical
calculation). Resolution of such c ontrol k ey v aries
according to time base
.
Horizontal sc ale: To adjust main time base, namely
,
s/div. Window width can vary with delay scannin
g
time base by rotating horizontal scale knob whe
n
opening extensi on time base. Please refer to
introduction to extension time base for details. (As
shown in the following form), horizontal menu ca
n
be displayed for horizontal control key menu
.
Form 2 -
6
Function menu
Setup
Descriptio
n
Main time base
1
.
2
.
To open main time base
;
To close view window
extensionaccordingtomai
n
time base after opening
;
View window
extensio
n
To open extension time base
;
Hold off
To regulate inhibition period
;
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