
121
TROUBLE SHOOTING
Information : WEAK SIGNAL
GSM dialer malfunction due to weak signal
If LCD display show below information ,
Please check the signal strength following the below instructions:
The GSM dialer cannot operate steadly if the signal strenght value .
is below 6.
In this case we suggest to remove the GSM antenna shown below
and connect an external GSM antenna with higher gain and sensitivity
simila to the one below
.
.
#
97
#
98760
Input:
:
LCD display
Note
:30 is signal strength, the Max.31, only if the
signal strength above 6, then the dialer can send
alarm information to CMS steadily via GSM.
Summary of Contents for JKAL37BR
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