Honda EM5500CX Owner's Manual page 30

8. CXS type:
If you wish to use the auto throttle system, turn the auto throttle
switch to the ON position after the engine has warmed up for 2 or 3
minutes.
(F, G, GW, IT types)
AUTO THROTTLE SWITCH
(B type)
AUTO THROTTLE SWITCH
ON
ON
O O N N
ON
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