Efento SP. J.
Ul.Krupnicza 14/5
31-123 Kraków
3. From now on, the communication is encrypted. You will need to add the encryption key in Efento
in order to see the data sent by the logger
In order to switch the encryption off:
1. Connect to the logger with Efento mobile application, tap on the three dots in the upper right
corner -> “Advanced” -> “Turn encryption off”
If the encryption has been turned on, once you try to connect to the logger with Efento mobile
application, you will be asked to key in the encryption key. Once you add it, the application will store the
encryption key and you will be able to access the logger without adding it again.
Efento mobile application allows you to add up to five default encryption keys. If a logger communication
is encrypted with any of the added keys, Efento mobile application will automatically decrypt the data.
This is useful for managing a fleet of loggers.
In order to add a default encryption key in Efento mobile application:
1. Enter the application settings (menu icon in the upper left corner -> “Configuration”)
2. Select “Default keys”
3. Press “Add encryption key” button
4. Add the encryption key and its label
If you want to delete an encryption key:
1. Enter the application settings (menu icon in the upper left corner -> “Configuration”)
2. Select “Default keys”
3. Tap and hold the encryption key you want to remove
Device time
In order to operate properly, Efento NB-IoT logger has to set its internal time. After successful network
registration, the device will automatically fetch the time from the network. From now on, all the
measurements taken by the device will have the timestamp assigned. If for any reasons the device is
not able to fetch the time from the network, it will try to connect to the Efento Cloud platform and get time
from the server. If the connection with Efento Cloud is also not possible (e.g. device communicates with
a third party server, or APN is configured incorrectly), it is also possible to set the logger’s time using
Efento Logger application.
In order to set the time:
1. Connect to the logger with Efento mobile application, tap on the three dots in the upper right
corner -> “Power user” -> “Device time”
2. Logger will get the time from your mobile device. If the time set on your mobile phone is wrong,
the logger will also has wrong time settings
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