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DNC加工时,屏幕显示“086 DR SIGNAL OFF”报警,可能的原因是()。
- A、通讯电缆断线
- B、数据位位数设置不一致
- C、I/O设备故障
- D、I/O印刷电路板故障
- E、波特率设置比一致
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更多 “DNC加工时,屏幕显示“086 DR SIGNAL OFF”报警,可能的原因是()。A、通讯电缆断线B、数据位位数设置不一致C、I/O设备故障D、I/O印刷电路板故障E、波特率设置比一致” 相关考题
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单选题In order to ensure that a RACON signal is displayed on the radar,you should().A
increase the brilliance of the PPI scopeB
turn off the interference controls on the radarC
use the maximum available range settingD
increase the radar signal output
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