Q: A record file is lost or no record file is found within a
certain period of time?
A: 1. Analyze to define the period of time between the final video
file is lost and the first video file is recovered.
2. Check if the device is power on within this period of time, for
example, delay record not set during mid-way shutdown or unloading
& loading.
Q: The vehicle PTZ cannot be controlled and cannot be rotated to
up, down, right and left?
A: Check if the protocol and baud rate of the PTZ are set
correctly, the address is consistent and if the channel video is
selected to be maximized when controlling the PTZ. For example,
when controlling the second channel, you shall maximize the image
in the second channel to control the PTZ.
Q: GPS module is present but no coordinate information is
available?
A: 1. Check if the GPS module is present; if not, please check if
the HDD is installed or properly contacted.
2. Check if GPS antenna is properly contacted and if the antenna is
broken. The antenna is recommended to be placed in an area having
strong signal. Note that some car glass shielding film may form a
GPS signal.
3. If the test is conducted indoors and the GPS antenna set indoors
is shielded, it is recommended to place the GPS antenna outdoors.
Q: GPS geographic position is not accurately displayed on the map?
A: if the GPS module is positioned, it indicates that the signal is
valid. Government limitation, error tolerance or GPS signal
interrupt may cause deviation; The satellite map may have some
deviation by for the sake of safety. In general, this problem can
be solved by using GPS correction.
