Liwei Jones products cover law enforcement recorders, collecting workstations two core product lines. Specific products are as follows：

Li Weiqi soldiers law enforcement record instrument：DSJ-P10、 DSJ-V2、 DSJ-A7、DSJ-A5S、 DSJ-A5

Liwei Jones gathering workstations：Ordinary medium-sized collection station, desktop small collection station, drawer-type medium-sized data collection station, collection query one machine

Problem Cause 1: The battery is exhausted
Workaround: 4 hours in full charge

Problem Cause 2: Host protection
Solution: use USB communication cable to connect the recorder and the computer several times hot plug the recorder end interface, activate the device, re-boot

Problem Cause 3: Host protection
Solution: Click the [Reset] button and turn it on again

Problem Causes:
The computer front panel USB interface is powered low
Solution:
Recommended data cable to the computer rear panel USB interface

Problem Cause 1: Data line problem
Workaround: Replace the data cable

Problem Cause 2: The client program is not installed
Workaround: Install the client program (which contains the driver installation)

Problem Cause 3: The driver was not successfully installed
Workaround: Temporarily turn off the protection system and reinstall the client program