Grundig GD-RT-AC3016N User Manual page 215

Step 3 Check if the fault is solved by the above steps.
If it is solved, finish the process.
If not, please contact the engineer from our company to do the further process.
The image gets stuck when DVR is playing back by single or multi-channel

cameras.
Possible Reasons:
— The frame rate is not the real-time frame rate.
— The DVR supports up to 16-channel synchronize playback at the resolution of 4CIF,
if you want a 16-channel synchronize playback at the resolution of 720p, the frame
extracting may occur, which leads to a slight stuck.
Step 1 Verify the frame rate is real-time frame rate.
Select "Menu > Record > Parameters > Record", and set the Frame Rate to "Full
Frame".
Step 2 Verify the hardware can afford the playback.
Reduce the channel number of playback.
Select "Menu > Record > Encoding > Record", and set the resolution and bitrate to a
lower level.
Step 3 Reduce the number of local playback channel.
Select "Menu > Playback", and uncheck the checkbox of unnecessary channels.
Step 4 Check if the fault is solved by the above steps.
If it is solved, finish the process.
If not, please contact the engineer from our company to do the further process.
No record file found in the device local HDD, and the prompt "No record file

found" pops up when you search the record files.
Possible Reasons:
— The time setting of system is incorrect.
— The search condition is incorrect.
— The HDD is error or not detected.
Step 1 Verify the system time setting is correct.
Select "Menu > Configuration > General > General", and verify the "System Time" is
correct.
Step 2 Verify the search condition is correct.
Select "Playback", and verify the channel and time are correct.
Step 3 Verify the HDD status is normal.
Select "Menu > HDD > General" to view the HDD status, and verify the HDD is
detected and can be read and written normally.
Step 4 Check if the fault is solved by the above steps.
If it is solved, finish the process.
215