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13-3 Alarm output
Setting the sound level alarm high limit
1. Press
button turn off the meter.
2. Press and hold down
Leq SEL SPL
button then turn on the meter, enter to sound level
high limit setting mode, the “ALARM” symbol is displayed.
3. Press
and
buttons to set desired sound level high limit value.
4. Press
Leq SEL SPL
button to stored the setting and exit this mode.
5. If the measured dB level exceeds the set limit, the over limit signal will appear at the
alarm output connector (5Vdc output). The output signal will remain active as long
as the sound level exceed the set limit.
14. SOFTWARE INSTALLATION AND OPERATION
For the detailed instruction, please refer to the content of attached CD-ROM, which
has the complete instruction of software operation and relevant information.
Protocol : are enclosed within the content of CD-ROM, please open the CD-ROM for
details.
