User's Manual

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 The HDD is damaged.
19) Q: No 3G dial-up. No dial-up IP,
A: Possible causes:
 Check if the SIM card is normal.
 Check if the SIM card is not in service.
 Check if the 3G antenna is connected as intended.
 Check if the 3G signals are strong enough.
 Try out with another SIM card.
20) Q: 3G platform is not online.
A: Possible causes:
 Check if 3G dial-up is normal.
 Check if local active registration is correctly set up.
 Check if the sever terminal is correctly set up.
21) Q: Video record is silent.
A: Possible causes:
Check if a normal analog camera is connected. Only HDCVI camera with audio input
supports audio.