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3.7 Using the Emergency Release Key As touched upon at the beginning of this chapter, this device has a double lock mechanism
comprising a key operated door lock and a solenoid operated electronic lock. When the power is
in the OFF condition, the electronic lock is activated and the door cannot be opened.
To release the door lock at the time of a power outage or emergency, release the electronic lock
by following this procedure.
1. Release the door lock as usual by using the door lock key supplied with the main unit.
2. Insert the release key (supplied with the main unit) into the electronic lock release key
insertion slot at the top of the main unit.
3. Press down the electronic lock key lightly and open the door at the same time.
Emergency Release Key supplied with the main unit
Figure 3-9 Using the Emergency Release Key