This FAQ is mainly written for DVL OEM systems, but the content applies to the Signatures and DVLs also.
There is usually no reason to expose the electronics, but in some occations it is necessary and for OEM systems it is unavoidable.
If you have no reason to expose the electronics or have no experience with electronics, do NOT open the instrument.
Please ask firstname.lastname@example.org for advice or help on troubleshooting your instrument before working on your instrument.
Be very careful if working on the instrument. Avoiding to do so may result in leaks or other damage to the instrument.
The board stack on the Signature and DVL consists of three boards (+ the sensor board), the interface and processing board have LEDs to indicate their state.
Board stack for Signature and DVL