Under the menu, the function key functions are as follows:
F1
invalid
F2
Self-calibration
F3
Confirm factory reset
OK
Save reference waveform when reference waveform A and B are open
←
invalid
→
invalid
↑
invalid
↓
invalid
(Note: Do not connect to any external equipment during self-calibration to ensure that the
channel is disconnected!)
Parameter display:
Press the parameter key, the parameters of each channel will be displayed in the upper right
corner of the screen: