How to use vvdi mini key tool for frequency test (20s)

20 seconds done!
vvdi mini key tool tested a remote frequency at a high speed.
The steps:
1 press hold to make the key tool start
2 press hold to recognize the chip; display 46 chip
3 press hold for 2s to switch to the mode for frequeny test
4 press a button on the remote and the tool will show pinlv

Time: 20 seconds