UNI-T UTD3025C

Operating Manual for UTD2000/3000
Setup of vertical system
CH1 and CH2 channels and setup
Every channel has its own vertical menu. Ever
y
item can be set individually according to different
channels. As shown in Form 2-1, the system ca
n
display operation menu of CH1 or CH2 channel b
y
pressing CH1 or CH2 function key
.
1
6
1
1
0
10
0
100
0
h
h
h
h
Setup
Descriptio
n
Function menu
Couplin
g
AC
D
C
To obstruct DC component
of input signal
.
To cut off input signals by A
C
and DC components of input
signals
.
Groundin
g
Bandwidt
h
limit
O
N
OFF
To limit band width to 20MH
z
so as to reduce display noise.
Full band widt
h
Volt/gri
d
Coarse
tunin
g
To set vertical deflectio
n
coefficient for coarse tunin
g
by 1-2-5 system. To refine
within setup scope of coarse
tuningforfinetuningsoasto
improve vertical resolution
.
Fine
tunin
g
Probe
To select one value according
to probe attenuatio
n
coefficient to keep correct
vertical deflection coefficient
.
There are totally 4 kinds
,
namely,1 ,10 ,10
0
and 1000
.
hh h
h
Reverse phase
O
N
OFF
To realize reverse directio
n
function for waveform
;
To display waveform normally.
Form 2-1