Operation Manual

Code Meaning Description

3939 Failed to open Possible cause:

3941 network; 1. The GSM network is not good or not well

3942 Network not covered with the GPRS network.

deactivated; 2. The instability in signal transmission leads

Network error to some MMS setting parameters missing when the

GSM base station do the data analysis. If for the

incorrect transmission reason, the camera may show

various error code.

Suggestion:

1. Contact the network provider if the GPRS network is

well covered in that area.

2. Change a place to try again. It’s better to try in a

public place, where there is always good signal.

3. If the provider said there is GPRS signal covered but

the signal is weak, you can try to use a enhanced

antenna that is SMA type with antenna gain of 10db.

-85 Not enough balance Possible cause:

in SIM card; 1. The SIM card is not enough balance.

MMS setting error; 2. Not correct settings.

3.The GSM network is not good leading to a timeout

problem (very small probability).

Suggestion:

1.Please check to make sure your SIM card has enough

balance.

2. Please check the MMS settings

Other error code Many codes in the list are used for debugging in the

product design phase. Most of them will not be shown

to consumers, so please ignore the other error codes

and contract us directly. Thanks.