Turn on and cut function details: The table shows the turn on and cut situations as pointer moves deasil, and the function is opposite while the pointer moves widdershins.
述的开关功能是
示:仪
压力指针位于最小刻度值
所具有的开关功能,
压力指针从最小刻度值开始顺
针
的开关状态,当压力指针逆
针转
,
现的开关功能相反。