GDS-3000 Series User Manual 
112 
Select Horizontal Scale 
 
To select the timebase (scale), turn the 
TIME/DIV knob; left (slow) or right 
(fast). 
1ns/div ~ 100s/div, 1-2-5 increment  
(1-2.5-5 for GDS-350X) 
The timebase indicator updates as the TIME/DIV 
is adjusted. 
Time base
Horizontal 
position
In Run mode, the memory bar and waveform size 
keep their proportion. When the time base 
becomes slower, roll mode is activated (if trigger is 
set to Auto).  
In Stop mode, the waveform size changes 
according to the scale.