![How to change the back-up battery:](/images/new-backgrounds/44437/4443723x1.webp)
How to change the back-up battery:
Important: It is recommended to change the
1.First make sure that the Auto Dialer is OFF. Then release it from the wall.
2.Remove the battery door and take out the old battery. Insert new 7.2V rechargeable battery pack and make sure it is in the correct polarity.
3.Fit the battery door and mount the Auto Dialer back onto the wall.
IMPORTANT: SIM Card
Most
If the SIM card is pin protected, you will have to enter the pin number when you first power the system up. You will have to enter the correct pin number within 3 attempts, otherwise the SIM card will lock out and you will need to request a PUK number from your service provider.
Please contact SIM card service provider (AT&T,
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10/15/2009 9:40:53 AM