User Manual
DS-72xxHUI-Kx, DS-72xxHQI-Kx Digital Video Recorder (DVR) User Manual 
UM DS-72xxHUI-Kx, DS-72xxHQI-Kx 062817NA    197 
•  Live View stuck when video outputs locally 
˗  Possible Reasons 
*
The frame rate has not reached the real-time frame rate 
˗  Possible Fixes 
1.  Check the parameters of Main Stream (Continuous) and Main Stream (Event). Select “Menu > Record > 
Parameters > Record,” and set the resolution of Main Stream (Event) the same as Main Stream 
(Continuous). 
2.  Verify the frame rate is real-time frame rate. Select “Menu > Record > Parameters > Record,” and set the 
Frame Rate to Full Frame. 
3.  Check if the fault is solved. If it is solved, finish the process. If not, contact our company. 
•  When using the device to get Live View audio, there is no sound, there is too much noise, or the volume 
is too low 
˗  Possible Reasons 
*
Cable between the pickup and camera is not connected well; impedance mismatches or incompatible 
*
The stream type is not set to “Video & Audio” 
˗  Possible Fixes 
1.  Verify the cable between the pickup and camera is connected well; impedance matches is and 
compatible. 
2.  Verify the setting parameters are correct. Select “Menu > Record > Parameters > Record,” and set the 
Stream Type as “Audio & Video.” 
3.  Check if the fault is solved. If it is solved, finish the process. If not, contact our company. 
•  The image gets stuck when the DVR is playing back single or multi-channel cameras 
˗  Possible Reasons 
*
The frame rate is not the real-time frame rate 
*
The DVR supports up to 16-channel synchronized playback at 4CIF resolution. Frame extracting may 
occur during 16-channel synchronized playback at 720p resolution, which may cause image freezing. 
˗  Possible Fixes 
1.  Verify the frame rate is real-time frame rate. Select “Menu > Record > Parameters > Record,” and set the 
Frame Rate to “Full Frame.” 
2.  Verify the hardware can support the playback. Reduce the number of playback channels. Select “Menu > 
Record > Encoding > Record,” and set the resolution and bitrate to a lower level. 
3.  Reduce the number of local playback channels. Select “Menu > Playback,” and uncheck unnecessary 
channels checkboxes. 
4.  Check if the fault is solved. If it is solved, finish the process. If not, contact our company. 










