6.) MAX selector key for the type of display
Selection can be made among current sound level, maximum value, or mini-
mum value (with respective time indication)
7.) “MEM“ key to save the measurement value
8.) “READ“ key to display the saved measurement values
9.) Navigation keys to select the measurement ranges and the saved measurement
values
The following measurement ranges can be selected: 25 to 80 dB; 30 to 90
dB; 40 to 100 dB; 50 to 110 dB; 60 to 120 dB; 70 to 130 dB
10.) Recorder output AC via 3.5 mm phone jack
1 Vrms for 130dB and an output impedance of 5kOhm
DC recorder output via 3.5 mm phone jack
10mV/ dB for an output impedance of 5kOhm
11.) Connection socket for external 9 VDC power supply unit
12.) Adjustment potentiometer
13.) Battery case cover
14.) Thread for connecting a tripod
15.) Windbreak
The windbreak supplied should always be installed for outdoor measure-
ments, in case of strong air movements, or in dusty environments. Wind
noise at the microphone results in erroneous measurements. Furthermore,
the windbreak protects the microphone from humidity and mechanical shock.
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