Basic Operation 
DSO5000P Series Digital Storage Oscilloscope User Manual   17 
oscilloscope also has an arrow icon at the top of the graticule to indicate the horizontal position. 
 
1. HORIZONTAL POSITION Knob: Used to control the trigger position against the screen center. 
Push this button to reset the trigger point back to the screen center. 
AN: Used to set the horizontal position as zero.   
2. Each option in HORIZ MENU is described as follows. 
 
Major Window 
Minor Window 
 
Selects the major or minor window in dual-window mode. 
The window is highlighted once selected. Press this option 
button  in  single-window  mode  to  enter  the  daul-window 
mode. 
Right arrow 
Left arrow 
Set/Clear 
Clear All 
This function is usable only in dual-window mode. It sets 
marks at some waveform record locations that users are 
interested in, and searches for these marks by right and left 
arrows. Then it positions the window to this mark for further 
observation. 
Select  this  menu  and  turn  the  multi-functional  knob  to 
adjust  the  trigger  holdoff  time  within  the  range  of 
100ns-10s. Select this menu and push the multi-functional 
knob to reset the holdoff time with the starting value 100ns. 
This  function  is  usable  in  dual-window  mode.  Push  this 
menu  button  and  auto  move  it  from  left  to  right  at  a 
specified  speed.  In  the  expanded  window  will  display 
corresponding waveforms until it stops once reaching the 
rightmost side of the major scan window