US famous brand Sentry telephone call blocker version 2,automatically block all junk calls
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Shenzhen Cheeta Technology Co., Ltd.
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US famous brand Sentry telephone call blocker version 2,automatically block all junk calls
Technical Features:
INSTALLATION
Unit Packing List
Detailed Pictures Show:
How to block telephone calls ?
1) Blacklist:
Storage : When checking the incoming and out going phone numbers,press BLACKLIST,this item displayed will be added into the blacklist, the LCD will display SAVE and SUCCEED.If the number have been in the blacklist, it will display REP
Checking and Delete: In off hook state, press UP/DOWN for the uppage and downpage. LCD display the blacklists, and the quantity of the blacklists display on the above. Press REMOVE can delete this item on display, if hold on the REMOVE for 3 seconds, all blacklist will be deleted.
Operation of the Blacklist : When the number was in the Blacklist, the same incoming number will be blocked and the device will pick up and them off hook after 1000MS.
2) Remove
When display the incoming ,outgoing and blacklist, press REMOVE can delete the the displaying number.And press REMOVE lasting 3 seconds, all incoming numbers ,outgoing numbers and blacklists are deleted, and will display when finish.
What kind of calls can be blocked ?
Factory' information:
Factory workshop
assembling line
All related certificates could be supplied if needed, such as CE, RoHS, FCC, TBR21, TBR38 and so on