7. RUN/STOP: key for running or stopping the operation8. AUTO: Be used for auto setting under the oscilloscope operation mode9. TIME/DIV: Decrease or Increase the time base10. POSITION: Adjust the horizontal trigger position11. CH2: Shows the CH2 menu12. VOLTS: Decrease or Increase the voltage/div13. CH1: Shows the CH1 menu14. M/R: Shows the Math or REF menu15. DMM Buttons: The DMM control buttons16. DMM/SCOPE: Switch DMM or Scope function17. MENU ON/OFF: Turn on/off the menu18. SAVE RECALL: Shows SAVE or RECALL menu19. MEAS: Shows Measurement menu20. UTILITY: Shows Utility menu21. CURSOR: Shows Cursor menuDisplay screenFigure 1-3