UTD2000 Series User Manual 
15 
 
 
1. Use horizontal SEC/DIV
 knob to change gear position settings of horizontal time 
base and observe the changes of state information. Turn horizontal SEC/DIV
 knob to 
change “s/div” time base gear position, and you can find that corresponding changes have 
taken place in the time base gear position display of corresponding channel in the status 
bar.  
Horizontal scanning rate steps up in the multiple of 1,2 and then 5 
e.g. 1ms/div->2ms/div->5ms/div->10ms/div…. etc.   
*Note: the horizontal time base range of different UTD2000 models are varies 
between 2ns/div to 50s/div. Details is listed in technical specification.   
2. Use horizontal POSITION
 knob to adjust the horizontal position of the signal in the 
waveform window. Horizontal POSITION
 knob controls the trigger position of the input 
signal. When applying to trigger position and turning horizontal POSITION
 knob, it is 
possible to observe the horizontal movement of waveform along with POSITION
 knob 
turning.  
All of the other horizontal systemsetting will be explain more on chapter II of this user 
manual.  
 
1.7 Introduction to The Trigger System 
As shown in Figure 1-11, there is one knob and three (or two) keys in trigger menu 
control area. Practices below will gradually guide you to be familiar with the setting of. 
     
 
Figure 1-8 Trigger Menu on the Panel 
 
(1) Turn trigger level knob to change trigger level.  Please refer to the trigger 
marking on the screen to indicate the trigger level line.    The trigger level line should move 
up/down corresponding when turning the trigger control panel knob.     
(2) Press SET TO ZERO key on the oscilloscope to enable 50% amplitude triggering; 
 
All of the other trigger systemsetting will be explain more on chapter II of this user 
manual.