The upper foot of the interface will display the parameters of scale 1, 2
Under the time base menu, the function keys have the following functions:
F1
Whether the ruler is displayed
F2
The object of the ruler isCH1
F3
The unit of the ruler (time, voltage or current or pressure)
OK
Save reference waveform when reference waveform A and B are open
←
Ruler 1 moves
→
Ruler 1 moves
↑
Ruler 2 moves
↓
Ruler 2 moves
MENU
Press the menu key for the first time to enter the following interface.
Under the menu, the function key functions are as follows:
F1
Reference waveform A or B