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7.2.7 Acoustic monitoring
This function acknowledges each alpha event recorded by AlphaGUARD with an
acoustic signal in the form of a beep.
The audio output is enabled by selecting ”ON”.
Acoustic monitoring
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OFF
ON
Use ↑↓ to change and
press <┘key to accept !
Figure 29: Switch beeper on or off
7.2.8 Configure channel 1 / Configure channel 2
According to user’s choice different external sensor units may be used. It is
required that the external sensor provides a linear output signal from 0 -
2,5 V. The
specifications of the analog external signals (see 7.1.2) can be configured by this
menu. Following adjustments have to be done:
1. Enter the number of digits behind the decimal point. In total up to 4 digits
are available; up to 3 digits can be assigned to decimal places.
Configure channel 1
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3
Enter the number of digits
behind the decimal point !
Use ↑↓ to change and
press <┘key to accept !
With concentrations up to 3 kBq/m³ the beep sequence is proportional to the
measured radon concentration. Above 3 kBq/m³ the acoustic signal is generally
suppressed.
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