Description and principle of operation
Iss. a – Translation of the original version
Doc. Ref. : SOUND2.940.001
2.2.1.4. Meaning of the indicator lights
Calibration OK → Measurement
An alarm has occurred and has not been confirmed.
An alarm has occurred and has been confirmed, but the cause of the alarm
still exists.
2.2.2. Circuit board
The unit comprises a circuit board to which various connections can be made.
To gain access to it, unscrew the 2 screws that secure the bottom cover, and remove them together with the
cover.
All electrical cables must be shielded.
The shield must be connected to the ground reference (cable gland).
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