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Thank you very much 
for purchasing KOCOM 
multiple interphone. 
please read this manual 
thoroughly to ensure 
correct usage, before 
operating 

PRODUCT

MODEL 

DATE PURCHASED

WARRANTY PERIOD

AGENCY ADDRESS

KOCOM Warranties the original purchaser of this product 

as follows.

1) This product is produced under strict quality control and inspection procedures.
2) If this product breaks down during proper use as a result of product defect, KOCOM  

will repair it within one year from date  of purchase free of charge.

3) The following cases will be subject to charge, even during warranty period:
a. Breakdown during transport, or through careless treatment,  by consumer.
b. Breakdown cause by unauthorized repair, or system  modification.
c. Breakdown caused by natural disaster or power disorder. 

Warranty 

Warranty Card 

DS-4M   04.06

To  receive  after-Sale  service,  have  the  following
ready when you contact our branches

1. Name of the product
2. Model number of the product
3. The area of problem
4. Phone number and address at     

which you can be contacted.

DS-4M OPERATING MANUAL

This  manual  is  based  on  the  date  as  shown  in  the  right  and  specifications  are  subject  to  change  without
notice for quality improvement.

MULTIPLE OUT DOOR PANEL

DS-4M

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