To change the Update Rate on your Garmin Astro 430 follow these steps:

  1. Go to main menu
  2. Select Dog List
  3. Select which Dog/Collar you would like to change the Update Rate
  4. Select Show Info
  5. This will bring to you to the collar info screen, at this point press the menu button.
  6. Scroll down and select change Update Rate, at this point you will be able to select an alternative Update Rate.

The faster the collar updates the less battery life the collar will have, a slower update rate will help prolong battery life of the collar before needing to be charged.