Doro MemoryPlus 309dp Manual De Instrucciones página 14

Connection
1.
Remove the protective tape so that the battery is activated,
see Battery.
2.
Connect MemoryPlus 309dp between the telephone line
and the telephone.
Alternative A:
Direct connection of the telephone
Alternative B:
Connection with adapter
3. Lift the handset and check that there is a dialling tone.
English
Operation
(UK only)
14