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When building number is set in advance : When building No. already registered to Call Prefix
① Input unit No. to key board.
Ex) Unit 101 input ‘101’
② Push (call) button.
③ Ringing call sound and call unit.
④ When tenants answer call, calling is on. (Max. time: 1 min)
⑤ Press "X" button when terminate call.
⑥ Tenant push 'Open door’ button, "Door is open” voice comment then door is open
Picture2. Screen for registering house No.
5. Call house
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Communication call between residence
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