A.持續(xù)故障/聲應(yīng)答/光應(yīng)答/熄滅 B.持續(xù)故障/聲應(yīng)答/光應(yīng)答/變?yōu)槠焦?br /> C.未聲應(yīng)答/消音/光慢閃/變?yōu)槠焦?br /> D.持續(xù)故障/光應(yīng)答/聲應(yīng)答/變?yōu)槠焦?/p>
A.正常、故障、故障 B.正常、正常、故障 C.故障、故障、正常 D.正常、故障、正常
A.熄滅/熄滅 B.熄滅/常亮 C.閃亮/常亮 D.常亮/閃亮