LAUNCH   X-431 PRO User’s Manual — Vehicle Diagnosis 
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Fig. 3-16 
Tap one item, the system will display data changes in waveform. To stop reading, 
tap 
. Tap   to resume. 
On datastream reading page, the following operations can be done:   
On-screen buttons descriptions:   
Data Stream: Tap to select the desired datastream to be browsed, and then tap 
“Confirm” to view the waveform.   
Start to record: Tap to start recording diagnostic data for future playback and 
view. The saved file follows the naming rule: it begins with vehicle type, and then 
the record starting time and ends with .x431 (To differentiate between files, 
please configure the accurate system time). The file is stored in “Diagnosis 
playback” under “Diagnosis Report” tab in “My Space”. For details on playback 
operations, please refer to Chapter 3.7.1 Diagnosis Report”.