| 摘要 |
Provided is an engine starting system which is highly reliable in that a battery does not run out even if a manual switch is tampered and operated many times by a third party. Equipment on the propelled object side (2) includes an actuation signal refusing unit (22a) which avoids responding to an actuation signal from a switch (31) for a third predetermined time in at least one of the states where a number of actuation signals successively transmitted from the switch without producing an answer signal thereto has become equal to or larger than a prescribed number of times predetermined in a first predetermined time period and where the actuation signal has been kept tuned ON for a period equal to or longer than a second predetermined time period without producing an answer signal thereto.
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