ARDWOLF A20 User Manual

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Delete Master User under Security Mode

1. Activate the lock

by pressing any key

on the lock;

2. Press and hold “-“

key to enter master

user deletion state;

5. Press “C” to exit

Once finish the user deletion, please try to use that user to unlock

and make sure the deletion is successful.

4. Press “+” and “-“ to select the

way to delete the user, then press

“OK” to conﬁrm;

FP: input the ﬁngerprint/password

you want to delete twice, then the

lock will delete that user;

AL: if you want to delete all

master users, select this way

and the lock will delete all users;

ID: select the user ID you want to

delete, then press “OK” to conﬁrm,

the lock will delete that user

3. Place the master user

for authorization;

(the nixie tubes show “AD”

for master user authorization)

Master User

Authorization

=3S

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ARDWOLF A20 Security High-sensitivity High-recognition Rate Keyless Biometric