●
How to use a 9V battery
If the product stops working due to the
battery discharge, insert a 9V square
battery and use a password or a card key to
open the door.
●
Note
Purchase a 9V battery in the nearest
convenience store or any electronic
shops. (The use of alkaline battery is
recommended)
Solutions to
M
alfunction of the
P
roduct
27
Summary of Contents for E-Flash 680
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