FI002K0018v1530hUK – THS/21 Instruction manual for installation, use and maintenance
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INSTALLAZIONE
ORIGINAL INSTRUCTION 145
3.13.3 Digital Signature verification
The data file contains, in addition to data related to events recorded by the Metal Detector, also redundant codes that
make sure that every partial modification to the file will invalidate the digital signature.
3.13.3.1 Through the web site
A computer with internet connection is required.
Save the data file from the Metal Detector to a text file, through USB, Web Server or a serial
connection. Connect to the site www.ceia.it/cfr21validation and, from the web page, select the local
file to be analysed and send it for the validation (Send button); subsequently press the Check Digital
Signature button. If the file is valid, the message Valid Digital Signature is shown, otherwise, in
case of incomplete or partially altered data, the message Not valid Digital Signature is shown; in
this case the relevant data needs to be saved again.
3.13.3.2 Through CEIA THS Production
A computer with the CEIA THS Production software installed, connected to the Metal Detector, is required.
Save data on a Report created with the CEIA THS Production software. Select the desired Report.
The software will automatically check the Digital Signature; in case the check fails, the Report needs
to be created again. Refers to the software instructions manual for more information.
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