TM 1-6625-724-13&P0012 000012 00-111.Backup to Credit Card Memory (CCM)Backup means transferring data stored in the AVA to a transportable memory that looks like a credit card.Ensure the small battery cover on the CCM is facing away and that the end opposite the battery cover is theend inserted into the slot. Insert the CCM into the slot at the back edge of the CADU (behind the panel). Afirm push on the CCM is necessary to engage it with the CCM interface mechanism inside the CADU.To execute transferring data to the CCM, place the cursor over the Backup to CCM option and press DO.The data to be backed up has to be identified by Tail number, Aircraft type, or Flight ID number via a set offive screens. The last screen asks if data backup is really desired and whether to delete the original datastored in the CADU.2.Restore from Credit Card Memory (CCM)Restore means downloading data from the CCM to the CADU memory To restore data from the CCM, placethe cursor over the Restore from CCM option and press DO. The restore procedure requires identifying thedata needing to be restored. The data to be restored has to be identified by Tail number, Aircraft type, orFlight ID number via a set of five screens.3.Transfer to PCTransfer means downloading data directly from the CADU to an external computer. To transfer data to anexternal computer, place the cursor over the Transfer to PC option and press DO. The data to be transferredhas to be identified by Tail number, Aircraft type, or Flight ID number via a set of screens. The last screen,Entry Form, will ask if data back up is still desired. A YES answer is followed by two screens with explicitinstructions to follow in making the transfer to the PC. At the completion of the data transfer to the PC, amenu appears prompting the user to enter either "yes" or "no" as to whether they want to delete the datawhich was just transferred to the PC from the CADU database. The RADSCOM communication package canbe used on the PC to simplify the backup to PC operation.4.SummaryThe data transfer option allows the backup of collected data onto either a CCM device onto a computerrunning the KERMIT communication protocol. The information that has been transferred can be reloadedinto the CADU database and used or reviewed again, even to the point of re-running diagnostics on the olddata.(a) The files transferred to the CCM are in a minimized binary format that allows for a maximum amount offlight data to be stored. A directory is created on the CCM that stores the flight data by aircraft type, tailnumber, and flight ID.(b) The backup operation is usually performed when the CADU internal memory space is filled and the userwants to make new measurements. First, the user performs a backup of the data that he wants to saveonto the CCM. Then he deletes this data from the CADU and performs a compress function (under DataManagement) to obtain more disk memory space.(c) The directory structure of data backed up onto the CCM allows the user to restore flight data for aselected aircraft by tail number or flight.(d) It is not necessary to use a credit card for data storage if there is access to an IBM compatible computer.Data can be archived on inexpensive floppies or the hard disk. The data transferred to an externalcomputer is written in text format in the form of eight separate files. The format of these eight files is:c.Selecting StatusThe status report screen, figure 4, provides a variety of system information that may be useful in system setupand equipment setup. Not all the information will be displayed on the screen, but will be printed if the PRINT keyis pressed. Place the cursor over the Status selection and press the DO key. The Status Report provides thefollowing information:1.Current setup including the current Aircraft Type, Flight Plan, Tail Number and Flight Flown.2.Available aircraft types that have been loaded into the CADU database.3.Printer Status. This block indicates the current printer type that has been selected and whether the printer isrunning. In order to print screens, the printer type should be selected to be compatible with the printer.Printing should be enabled and the spooler should be running.4.Measured Results. This block provides a list of the number of each of the measurement types currentlystored in the database.
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