Acorn Ltl-5310 Series, Руководство пользователя

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 CGREG: Not able to register with GPRS network.
 COPS: Searching for the MNPO of the SIM card.
Once it is found, the operator ’s name and the signal
strength will show on the screen.
If No MM1 shows on the screen, it means the MMS-module is
not found (installed).
Meanwhile the buzzer will be issued
shortness three sound "di di di".
Make sure the battery box has the MMS-module, not a
standard one.
Attention
：
The camera MUST be set in OFF position when
attaching the MMS-module battery box to it. Secure the
battery box by locking up the buckle. Otherwise, the MMS
function may not perform normally. When trying to view the
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