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FIELD TEST DEVICE - LoRaWAN AS 923 - Mode d'emploi V1.0.0
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• The number of frames received (DL COUNT)
• The Packet Error Rate (PER) as a percentage
The PER measurement is calculated by comparing the number of frames transmitted to the number of frames received:
• PER (%) = 100 - ((DL_COUNT/UL_COUNT) * 100)
IMPORTANT : in this menu, a long press in the button 1 will allow you to reset the counters to zero.
3.6. Downlink screen
This menu can be accessed by briefly pressing on pushbutton 2 after the PER menu. It will allow you to view a downlink frame sending by the
network. This frame is displayed in ASCII characters. The non printable characters are replace by a point.
The screen allow a viewing of 51 characters (17 characters per lines). If the size of the payload is upper than 51 bytes, the product will not
display the extra bytes.
Frame zone
Status bar
Figure 12 : Downlink screen