custo flash 5xx has a preset real time clock. custo diagnostic informs you by a message when the time needs to be readjusted (approx. every six months).

Ensure that the system time of your computer is set properly as it is used for custo flash 5xx

To adjust the time, open the Examination, Holter, Settings, Device, multiday card page. In the multiday card area click on the set button behind recorder time.


The time can be adjusted in four steps. The program provides you with specific instructions.

Insert a card in the card reader and press confirm


Remove the card and insert it in the recorder. Place the battery and when the led lights-up orange press

The marker key.


When the LED shines green (or red) remove the battery, take the SD card out. Place it in the card reader

connected to the PC and press confirm.


When the above message appear you know that you are all set.


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