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WIRELESS, SENSING & TIMING PRODUCTS

SX1276 Development Kit

USER GUIDE

Revision 1.1 – May 2014

Page 52 of 53

www.semtech.com

©2014 Semtech Corporation

8 Troubleshooting

Each Eiger platform, radio module or software kit has been thoroughly tested before to be released for
customer evaluation. The section below highlights some of the common issues faced by users and how it
can be fixed.

8.1 The Eiger platform indicates very high PER even in short range

There are several reasons which can have a dramatic influence over the performance of the platform.
One of the common reasons is that the frequency selected is in the GSM or in another already used
frequency band. If the frequency you have selected is already used by another RF system, the
communication will obviously be affected. We therefore recommend to the user to check the RF band
usage in his location before to start any PER testing.

8.2 The communication range in Lora is very poor

There are two aspects which can limit the LoRa performances: the emission power and the antenna.
Please, make sure that we are using enough power to reach the distance you want to achieve. The Eiger
platform can output up to 20dBm signals. The other aspect is the antenna, please, make sure the
antenna you are using is designed to operate at the frequency region you are transmitting in.

8.3 The SX1276SKA do not detect the device through the USB

This issue is usually caused by a wrong connection of the USB
The step below should fix the issue.

1- Make sure the Eiger Platform is powered down (Battery switch set to 0) and is not connected to

the PC through the USB.

2-  Reconnect the side USB to the PC, the red LED on the left side should light up
3-  Connect the bottom USB to the PC.
4-  Power the device up (Battery switch set to 1)
5-  Press the five-way central push button until the screen light up.
6-  Launch the SX1276SKA on the PC

8.4 The Eiger platform does not seem to work anymore

The battery is probably empty and you should connect the device through the side USB to a computer for
a few hours, time for the battery to charge.

8.5 The Eiger platform touch screen is not accurate

This is probably due to a miss-calibration of the touch screen. In this situation, the user should reset the
touch screen calibration and perform an accurate calibration using the stylus provided.

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Содержание SX1276

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Страница 2: ...6 2 2 LoRa Common Window 33 6 2 3 LoRa Parameters Window 34 6 3 FSK Mode 35 6 3 1 FSK Menu 35 6 3 2 Common window 36 6 3 3 Transmitter window 37 6 3 4 Receiver window 38 6 3 5 IRQ and Map window 39 6...

Страница 3: ...gure 7 Frequency Band Targeted Antenna 14 Figure 8 Connect both USB ports to use the SX1276SKA 29 Figure 9 SX1276 window organization 30 Figure 10 Register table 31 Figure 11 SX1276SKA Boot up windows...

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Страница 52: ...up Battery switch set to 1 5 Press the five way central push button until the screen light up 6 Launch the SX1276SKA on the PC 8 4 The Eiger platform does not seem to work anymore The battery is proba...

Страница 53: ...ies affiliates and distributors harmless against all claims costs damages and attorney fees Semtech Corporation Wireless Sensing Products Division 200 Flynn Road Camarillo CA 93012 Phone 805 498 2111...

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