Garmin Replacement USB Socket Rubber Back Cover for Astro 430, 320 New | eBay
Replacement Keypad for Garmin Astro 320/430 handheld unit
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Astro 320 with T5/T5 mini - Astro 320 Handheld Device
Adjusting The Backlight Brightness; Fitting The Collar On Your Dog; Charging The Dog Collar Device; Using The On-Screen Keyboard - Garmin Astro 320 with T5 Owner's Manual [Page 6] | ManualsLib