Dear Sirs We received the keypad and tried to use it. We changed the access code from 6699 to 1974 and worked well. However, when the power was interrupted it returned to the 6699. Is there any way to keep this new code permanently and not be affected by power disruption?

Dear Sirs We received the keypad and tried to use it. We changed the access code from 6699 to 1974 and worked well. However, when the power was interrupted it returned to the 6699. Is there any way to keep this new code permanently and not be affected by power disruption?

Dear Sirs We received the keypad and tried to use it. We changed the access code from 6699 to 1974 and worked well. However, when the power was interrupted it returned to the 6699. Is there any way to keep this new code permanently and not be affected by power disruption?

good performance

good performance

good performance