User's Guide

Getting started
6. For optional activation of GPS, go outdoors and press the SW3 button for a minimum of 10 seconds
until the indicator LED begins breathing purple.
• Purple breathing: GPS is active and searching
• Green breathing: GPS has fix
Wait for green breathing in the indicator LED which indicates that your Nordic Thingy:91 has GPS fix.
Check that the position data and the environment sensor data are sent to nRF Connect for Cloud.
3.1 Connecting LTE Link Monitor
To get debug output and to send AT commands directly to the modem, you can connect to the Nordic
Thingy:91 using nRF Connect LTE Link Monitor.
Before you begin, install and open nRF Connect for Desktop. To download the latest version, go to nRF
Connect for Desktop. For instructions, see nRF Connect LTE Link Monitor.
To connect to the Nordic Thingy:91 using LTE Link Monitor, perform the following steps.
1. Install and launch LTE Link Monitor.
2. Connect your Nordic Thingy:91 to your computer with a USB cable.
3. Make sure that Nordic Thingy:91 is powered on.
4. Click Select device and select the device entry from the drop-down list in the LTE Link Monitor.
5. Verify the connection to the Nordic Thingy:91 modem by sending the command AT to the modem
from the LTE Link Monitor terminal and observing that the modem responds with OK.
All asset tracker debug output shows up in the terminal view, and you can send AT commands to
the modem to try out different settings. For further details on available AT commands, see nRF91 AT
Commands Reference Guide.
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