动态特性选择 
Microphone 1/2 Inch Electret Condenser Microphone  
麦克风  1/2 英寸电容式麦克风 
 Frequency Weighting A & C A & C 
频率加权特性 
Sound Measuring Level Selection √ √ 
测量档位选择 
Max Hold Function √ √ 
大值锁定 
Sampling Frequency 2 times/sec 2 times/sec