5
4. Operation Methods
♣ When you press the call button to a desired resident, the calling sound rings
(Notice : The calling sound rings while you only press the call button)
♣
You can talk with a resident when they answer your call
Notice
1. DR-nUM is available to call to a household or talk with a resistant as Master unit.
2. Please install DR-nUS together with DR-nUM DR-nUS is only available to call to a household
as this is just a product to extend the number of households on the DR-nUM
3. The word “ n “ of DR-nUM/DR-nUS means the number of households that you can call
✽
DR-nUM : DR-2UM / 4UM / 6UM / 8UM
✽
DR-nUS : DR-4US / 6US / 8US / 10US / 12US
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