S380/S390时钟板处于快速捕捉状态时,时钟板面板指示灯状态为()
A:CKS1,CKS2都长亮
B:CKS1长亮,CKS2灭
C:CKS1灭,CKS2长亮
D:CKS1,CKS2都灭
出自:代维资格证