Garmin Alpha/Astro Collar Support Page

  1. Garmin Software Versions

    Garmin Software Versions
    If you ever have an issue with one of your Garmin devices, one of the first things the Double U team is going to ask is "Is your device updated?" If you're not sure, it's always good practice to check your device for an update via Garmin Express or Garmin Webupdater. For devices such as the Alpha 200/200i, Alpha 10...
  2. How to Perform a Master Reset on Garmin TT10, TT15/T5, TT15X/T5X and TT15/T5 Mini Collars

    This master reset should work for the following Garmin GPS Collars: Garmin Alpha TT10 Garmin TT15/TT15X Track and Train Collar Garmin T5/T5X Tracking Collar If the Garmin GPS collar is failing to operate as expected, corrupt data may be the cause. Performing a master reset will return the collar to factory settings and clear data resolving issues caused by corrupt...
  3. Tracking a Garmin TT15x/TT15 Collar with the Alpha 100 and 200i

    Many of our customers hunt with others in clubs or organizations, and when a new Garmin handheld hits the market, there is always the issue of if and when to switch over to the newer model. Previously, Astro 320 dog trackers ran on a 10-dog capacity software platform making them incompatible with the Alpha 100's 20-dog platform; many groups were...
  4. Double U Reviews the Garmin TT15X and T5X Tracking collars

    Double U Reviews the Garmin TT15X and T5X Tracking collars
    Compatibility and Features of the Garmin TT15x and T5x collars The Garmin TT15x and T5X collars released on February 17th, 2022 will track on any existing Alpha series dog trackers. This includes the Garmin Alpha 200/200i, Alpha 10, Alpha 100, Astro 430, and even the Pro 550+. Please note that the TT15x and T5x will not connect to older Astro...
  5. Locating the Serial Number on Your Garmin Tracking Equipment

    When you call Double U with a broken Garmin item, the first thing we'll ask for is its serial number. Using this, we can check the item's purchase date and warranty status, or if out of warranty give a customer discount if the item was purchased from us. On Alpha handhelds, this will be located under the battery. The serial...
  6. How to: Pair a DC50 With an Alpha 100 Handheld

    The DC50 collar has been discontinued by Garmin and is now only available used. However many houndsmen, especially those hunting with a buddy or in a group with mixed systems, still have fully functioning DC50 collars they would like to continue using in the field. Officially, DC50 units are considered incompatible with Alpha 100 and Alpha 200i handhelds as they...

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