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5-2. Press building Password
• P - old Password - E - 1 - E - New Password - E
• Password must be 4 digits.
• "0000", "1234", "4321" can't be used as Password
① Press program button (P).
② Press old building default Password (4,3,2,1).
③ Press call button (E).
④ Press "1"
⑤ Press call button (E).
⑥ Press new Password.
⑦ Press call button (E).
⑧ Building Password has been changed.