13.3.9 Device Test
Tap the Device test item, and you can detect the running status of the device's hardware module (not recommended).
13.3.10 Running Information
Only for the R&D (Research & Development) engineer to locate and solve the system error information.
13.4
About
Tap Settings > SYS > About, and you can view the system information including device model, serial No., software version,
and kernel version.
User Manual of Portable Video Recorder
Figure 13. 24
About
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