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
是
示:仪
压力指
位于最小刻度值时所具有的开关功
,即压力指
从最小刻度值开始顺时
时的开关状态,当压力指
逆时
时,实现的开关功
相反。