Sanyo SGP-E70J2GU2 User Manual page 104

Construction
(Set up method)
1) Set one of the two remote controls connected as the parent remote control.
2) Turn the remote control address switch on the back of the remote control switch board of the other remote
control (the child remote control) from OFF to ON. In this condition it will operate as a child remote
control.
The child remote control will operate even if it is connected to indoor unit 2 or indoor unit 3.
3. Points regarding electrical construction (indoor unit)
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