# HereLink Blue FAQs

## Can the language on the controller be switched?

The system language can be switched in the slide down menu.

## Why aren't the LEDs lit, even though the rover unit are correctly connected?

Check the power input. It should be 5V - 12.6V max (3s Lipo supported) and the battery should be charged.

## Why can't I connect to 2.4GHz WIFI?

Currently, the Datalink only enables 5.8GHz WIFI for internet connection. Therefore, to load maps, you will need to connect to a 5.8GHz WIFI network.

## Does the HereLink Blue have data encryption?

The HereLink Blue encryption over the air uses aes-128-ctr