Hongdian H3304 4CH Dual SD MDVR - Manual (Page 64)

5 -22
No video but OSD shows
a. Please check and make sure the Aviationinterface cable of camera is fixed correctly.
b. Please check camera power supply.
3. No 12V DV output?
Check if there is any short circuit among 12V power supply, negative pole, metal case of
MDVR. Etc.
4. SSD hard disk works abnormal?
Check the power supply stable and enough power, if it is 12V, output current should
over 3A, if you used power output function, power needs more.
5. Cannot search the record file?
a. Check hard disk installation.
b. Check whether MDVR time same as system time, if not, adjust it at follow page,
system-NTP
c.