Click the middle button,Can switch to the page of "View detailed  
communication process",As shown above.Left column,You can select the message to  
be viewed by left/key,Such as:  
Now select the message of 410x1882REQ<-. is the message number,  
In this instrument, the larger the message number, the newer the  
message.0x1882 is the message header.REQ is the message type,Represents this is  
a request (Request) message,The request message (Request) is used to apply to  
the charging head for the gear required for charging (for example, it is 6 gears  
in this example,request one of them). <- indicates the direction of data  
transmission,It means that this message was sent by the PD consumer to the PD  
charging head.  
The voltage contained in the right column 0x3304B12C when sending a Request  
message,Information such as current. In addition,Under this interface,Long press  
the left button,The data buffer can be cleared. Long press the right button to  
quickly browse the messages.  
Note:  
1
Open the settings menu -> trigger -> block PDCRC, you can turn off  
the monitoring of CRC.  
2
For the meaning of various messages in the PD protocol, please refer  
to the relevant information..  
23