SHP-DP609 - How to register a key tag
1. Unlock and open the door
2. Take the battery cover off
3. Press the [REG] button to start the registration
4. Enter the master PIN code + *
5. Press 2 + *
6. Press 1 + * to add a key tag
7. Hold the key tag to the lit CARD symbol on the keypad
8. Repeat from step 7 if registering other key tags OR press the [REG] button to end the registration