SHP-DH537 - How to delete a key tag
- 
Unlock and open the door
 - Take the battery cover off
 - Press the [REG] button to start registration : Ding dong
 - Enter the master pin code + *
- Success : Ding Dong Deng, Ding ding
 - Failed : Dingdongdingdong (If it’s wrong)
 
 - Enter 2 + *
 - Enter 2 + *
 - Hold a key tag to the lit CARD symbol on the keypad
- Success : Ding Dong Deng
 - Failed : Dingdongdingdong (if it’s not registered)
 
 - Repeat from step 7 if deleting other key tags OR press the [REG] button to end deletion
 
To delete all key tags, enter 3 + * after step 5.