Manual
Table Of Contents
- SAFETY INSTRUCTIONS
 - GETTING STARTED
 - QUICK REFERENCE
- Menu Tree / Operation Shortcuts
- Convention
 - Acquire Key
 - Acquire Key - Segments
 - Autoset Key
 - CH1 ~ 4 Key
 - Cursor Key
 - Display Key
 - Help Key
 - Math Key
 - Measure Key
 - Hardcopy Key
 - Run/Stop Key
 - REF Key
 - Save/Recall Key
 - Test Key
 - Test Key – Go-NoGo
 - Trigger Type Menu
 - Trigger Edge Menu
 - Trigger Delay Menu
 - Trigger Pulse Width Menu
 - Trigger Video Menu
 - Trigger Pulse Runt Menu
 - Trigger Rise & Fall Menu
 - Trigger Timeout Menu
 - Utility Key
 - Utility Key – I/O
 - Utility Key – File Utilities
 - Utility Key – Wave Generator - Demo Outputs
 - Search - Edge
 - Search – Pulse Width
 - Search - Runt
 - Search – Rise/Fall Time
 - Zoom Key
 - Option Key
 
 - Default Settings
 - Built-in Help
 
 - Menu Tree / Operation Shortcuts
 - MEASUREMENT
 - CONFIGURATION
 - OPTIONAL SOFTWARE and APPS.
 - SAVE/RECALL
 - FILE UTILITIES
 - HARDCOPY KEY
 - REMOTE CONTROL CONFIG
 - MAINTENANCE
 - FAQ
- I connected the signal but it does not appear on the display.
 - I want to remove the (Measurement result / FFT result / Help contents) from the display.
 - The waveform does not update (frozen).
 - The probe waveform is distorted.
 - Autoset does not catch the signal well.
 - I can’t save files to the internal memory.
 - The display image printout is too dark on the background.
 - The date and time settings are not correct.
 - The accuracy does not match the specification.
 
 - APPENDIX
 - INDEX
 
    GDS-2000A Series User Manual 
68 
Run/Stop 
Background 
By default, the waveform on the display is 
constantly updated (Run mode). Freezing the 
waveform by stopping signal acquisition (Stop 
mode) allows flexible observation and analysis. To 
enter Stop mode, two methods are available: 
pressing the Run/Stop key or using the Single 
Trigger mode. 
Stop mode icon 
When in Stop mode, the Stop icon 
appears at the top of the display. 
Triggered icon 
Freeze Waveform 
by Run/Stop Key 
Press the Run/Stop key once. 
The Run/Stop key turns red. 
The waveform and signal 
acquisition freezes. 
Stop: 
Run/Stop Run/Stop
To unfreeze, press the Run/Stop 
key again. The Run/Stop key 
turns green again. 
Run: 
Run/Stop Run/Stop
Freeze Waveform 
by Single Trigger 
Mode 
Press the Single key to go into 
the Single Trigger mode. The 
Single key turns bright white. 
In the Single Trigger mode, the 
scope will be put into the pre-
trigger mode until the scope 
encounters the next trigger 
point. After the scope has 
triggered, it will remain in Stop 
mode, until the Single key is 
pressed again or the Run/Stop 
key is pressed.  
Single Single










