User Manual 1. Power button 2. Bracket 3. USB interface 4. Menu selection key 5. Vertical control system 6. CH1 、 CH2 Input Channel for signal 7. Horizontal control system 8. Signal source output (only valid for model with function generator) /external trigger input channel 9. Probe compensation function zone 10. Signal source (only valid for model with function generator) 11. Trigger control system 12. Operation mode hot key (Run/Stop, Single SEQ, Auto Set) 13. Menu Function Button 14. Multifunctional Knob 15. Function hot key 16. Menu display/hide key 9 / 67