Yes there are 3 settings on the DC 30 5 sec 10 sec and 30 sec. The faster the update rate the shorter the battery life. To change the settings turn the collar on and go to the dog list and select the dog you want to change. From this screen hit the menu button and select the "change comm settings ...

Mark- Have you been able to program all 14 collars into one single unit?

I am pretty sure this is Garmins way of not letting you add over 10 collars. To my knowledge there is no way to over ride it. These are the frequencies that Garmin use. I got this off their web site.

* Communication Settings 0 – 9 (151.820 MHz)
* Communication Settings 10 – 19 (151.880 MHz ...

Finally got a chance to use the update this weekend in the woods. Seemed to work just fine.

Question for Steve...you said you got 1.1 miles with your rubber ducky antenna...is that a stock Garmin antenna? and if it is, was it pretty flat where you tested it? because I have never seen that kinda ...

I have heard about the last number as well but seems that it is not the case.

The Astro series Communication Settings and their frequencies are:

* Communication Settings 0 – 9 (151.820 MHz)
* Communication Settings 10 – 19 (151.880 MHz)
* Communication Settings 20 – 29 (151.940 MHz ...

I deleted the two collars from the Astro unit and added the collars back. Now everything seems to be working fine. Has anyone had a chance to use this new triple blink feature in the woods to see if it helps anything?

Has anyone tried to update their DC 20,30 or 40 with the new 3.50 software using Web Updater? I updated my two DC 30's last night and experienced some issues trying to get the Astro to communicate with the collars after it was finished. I was wondering if anyone else experienced these issues?