User Manual
  GETTING STARTED 
27 
Crest Factor (CF) 
The crest factor stands for a ratio of the rms 
value correlated to the peak value (crest value) 
of the waveform. 
Equation: 
Note 
The crest factor is 1.41 of sine 
wave. 
Inrush Current 
Capacity 
It indicates the current, which is able to be 
supplied to a load, exceeds the rating for a short 
period and the duration. 
Output Power 
Ratio 
It indicates the output power of a percentage 
where the rated maximum output power is 
100%. 
Alarms 
The ASR-2000 series have a number of protection features. When 
one of the protection alarms is tripped, the ALM icon on the 
display will be lit and the type of alarm that has been tripped will 
be shown on the display. When an alarm has been tripped the 
output will be automatically turned off. For details on how to clear 
an alarm or to set the protection modes, please see page 187. 
Abnormal Output 
This alarm is activated and output will be 
disabled immediately when output overvoltage 
or overcurrent is detected. 
Abnormal Power 
Source Block 
This alarm is activated and output will be 
disabled immediately when internal power 
source abnormality is detected. Beware that all 
operations will be disabled except for the power 
shutdown operation if an error occurs. 










