GDS-3000 Series User Manual 
20 
Press the Autoset key to 
automatically set the trigger, 
horizontal scale and vertical scale.  
Press to freeze (Stop) or continue 
(Run) signal acquisition (page58). 
Sets the acquisition mode to single 
triggering mode.   
Resets the oscilloscope to default 
settings. 
Sets the oscilloscope range 
automatically. 
Sets the vertical position of the 
waveform. 
 
Press the CH1~4 key to set the 
channel. 
Accepts input signals. Input 
impedance, selectable: 50Ω, 75Ω, 
1MΩ.  
Use the math key to set and 
configure math functions.