Honda HSM1380i Owner's Manual page 25

Characteristics of POWER mode:
• Travel speed is automatically adjusted according to the workload so
engine power can be maintained at or near the maximum level.
• Engine speed is automatically adjusted according to operating
conditions so the snow discharge distance remains constant that
have been set with the throttle control lever.
• The auger is automatically raised when the snow thrower is
reversing. In case the auger clutch switch is in the ON position, the
auger is automatically returned to the original position when the
snow thrower begins moving forward again.
Characteristics of SELF mode:
• No automatic adjustment is made. Manually adjust the engine speed
and travel speed according to the workload.
CAUTION:
Do not turn the mode selector switch to another position while the
snow thrower is moving. The electronic control unit will interpret this
as a failure; the snow thrower will stop moving and the auger will stop
turning.
When the snow thrower and auger stop moving/turning, move the
main shift lever to the N (neutral) position, release the drive clutch
lever.
Check each part to verify it is in its proper position before resuming
operation.
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