# RTK Mode Setup

> Source: https://topodrone.com/knowledge/topodrone-sony-ilx-lr1/rtk-mode-setup/
> Section: TOPODRONE Sony ILX-LR1 (LR1 CM)
> Updated: 2026-10-11

This chapter is not needed for surveys in PPK mode - go to [chapter 8](https://topodrone.com/knowledge/topodrone-sony-ilx-lr1/camera-control-in-dji-pilot-2/).

1. Prepare the correction source:
   - the **D-RTK 2** base station (Matrice 350 RTK and Matrice 400) or **D-RTK 3** (Matrice 400) - set it up according to the rules in [chapter 10.3](https://topodrone.com/knowledge/topodrone-sony-ilx-lr1/aerial-survey/);
   - or an account in a reference station network (NTRIP) and an internet connection of the remote controller via Wi-Fi or DJI Cellular Dongle.
2. In DJI Pilot 2, open the camera view, tap "..." and select **RTK**.
3. Enable RTK positioning and select the service type: **D-RTK 2 Mobile Station**, **D-RTK 3** or **Custom Network RTK**.
4. For a network, enter the NTRIP parameters (address, port, account, password, mount point) and tap **Save**. The remote controller must remain on and connected to the internet for the entire flight.
5. Wait for the **FIX** status in the positioning status table.

> **Danger:** Start the survey only with the FIX status.

> **Warning:** If RTK is enabled but corrections are not received, the drone will not take off. Disable RTK when not in use.