DA_MODE_0 : Transparency and Binary data format<BR>DA_MODE_1 : Transparency and Two‘s complement format<BR>DA_MODE_2 : double buffered and Binary data format<BR>DA_MODE_3 : double buffered and Two‘s complement format<BR>这是数采卡D/A输出模式设置的几种模式,请问这几种模式分别代表什么意思?<BR>