Honda EX5D Owner's Manual page 42

2. Turn the remote control switch on the generator maintenance cover to
ON.
REMOTE
CONTROL SWITCH
CAUTION: Be sure to turn the remote control switch to OFF when the
starting motor is operated by the engine switch on the generator
control panel with the remote control kit installed.
3. Flip the engine switch on the remote control switch box to ON.
ENGINE SWITCH
38
ON
ON
ON
ON