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[单选题]
If a CLK indicator on ZXCTN6200&6300 main board flashes at a frequency of 1 time
A.npull-i
B.nholdover
C.nlock
D.ninternal clock
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A.npull-i
B.nholdover
C.nlock
D.ninternal clock
A、not measure the factor
B、use the most appropriate objective indicator
C、use a subjective indicator
D、use an objective indicator, but measure it several times to ensure reliability
E、ignore the control function all together
A.Set the retention periods
B.Leave the Movement Allowed indicator blank
C.Set the base date
D.Leave the Final Issue indicator blank
以PD140为例,visual alarm indicator的含义是().
A.可视报警警示灯
B.有声报警器
C.敏感性调节按钮
D.无声报警器
A.计数初值N个CLK脉冲宽度
B.计数初值N+1个CLK脉冲宽度
C.计数初值N-1个CLK脉冲宽度
D.计数初值(2N-1)/2个脉冲宽度
A.In the transaction type
B.In the material master
C.In the movement type
D.In the vendor master