To enable HD BarkDetect on the Alpha, go to Setup->Dogs->Bark Detection.
To enable HD BarkDetect on the T5/TT15, go to that Dog Device's Info page and select 'Bark Sensitivity' from the menu. Select a sensitivity to send to the Dog Device. The Dog Device will start transmitting HD Bark Detection information.
NOTE: Once a T5 or TT15 Dog Device is in HD Bark Detection mode, it can only be tracked in Alpha mode by Alpha 100's with software version 5.40 or greater.
Astro320 tracking is not affected by HD BarkDetect selection.
Changes made from version 5.60 to 5.90:
Added broadcast of dog data (Setup > Dogs > Broadcast Dog Data > On) to support dog position tracking by DriveTrack 70 and fēnix 3.
Changes made from version 5.40 to 5.60:
Improved the display of the blue pin on the map page.
Made contact messages persistent.
Added an alert tone when emergency messages are received from a contact (system tones must be enabled).
Improved interference detection.
Changes made from version 5.30 to 5.40:
Fixed issues when adding 20 dogs or contacts.
Added HD BarkDetect for units for Norway, Sweden, Finland and Denmark (see notes above).
Changes made from version 5.10 to 5.30:
Fixed issue with radio function in Belgian units.
Changes made from version 5.00 to 5.10:
Improved tracking of a collar that is shared between 2 dogs.
Don't show Collar Sleep Mode option for a T5 mini or TT15 mini that is manually added as a track-only collar.
Fixed +/- buttons on the compass page.
Changes made from version 4.70 to 5.00:
Added support for T5 mini and TT15 mini.
Improved pairing reliability.
Improved dog info page menu options ordering.
Improved display of running pointers on the dog tracker page.
Improved consistency of comm bar display on the dog info page.
Fixed potential issue where Emergency Call button was covered up on the contacts page.
Fixed potential freeze during Start New Hunt.
Fixed potential shutdown when using the data fields dashboard on the map.
Changes made from version 4.50 to 4.70:
Fixed issue when adjustment screen is displayed multiple times.
Improved handling of invalid .JNX files.
Changes made from version 4.40 to 4.50:
Improved pairing to ANT sensors.
Fixed potential issue when setting a geofence alert.
Improved compass page's transition between magnetic compass and direction-of-travel for heading.
Made time-based track interval setting accept intervals less than 30 seconds.
Changes made from version 4.30 to 4.40:
Added a new dog device tracking channel for Greece units. NOTE: the T 5 or TT 15 dog device must have version 2.50 or later software installed to use this new channel.
Fixed issues when deleting waypoints.
Fixed issues when using all 20 available tracking windows for dog devices and Alpha tracking.
Changes made from version 4.20 to 4.30:
Fixed occasional shutdown when using the map page.
Improved boot time when a large amount of BirdsEye satellite imagery is present
Changes made from version 4.00 to 4.10:
Fixed possible issue with 4.00 release
Changes made from version 3.80 to 4.00:
Fixed possible issue with List Sync on dog tracker page
Changes made from version 3.70 to 3.80:
Assigns correct features for wirelessly shared dog devices.
Improved reliability of received dog device position and status.
Fixed adjustability of L/M/H stim mode slider.
Improved reliability when changing ID of a dog device.
Changes made from version 3.20 to 3.70:
Added support for T 5 and TT 15 dog devices.
Added Emergency Calling feature between Alphas
Added the ability to control a VIRB through a T5 or TT15 within tracking distance. The VIRB must be near the T5 or TT15 and have Remote turned on and set to 'Main VIRB' in its settings (Main Menu > Setup > Remote). To use the feature on Alpha 100, go to Dog List > select a dog > Show Info > Menu > VIRB Control.
Fixed potential issues with stale tracking data if dog device is out of tracking range.
Fixed dog arrow orientation when map is in track up mode.
Changes made from version 3.10 to 3.20:
Disabled dog tracking when used in countries for which the radio frequencies are not authorized.
Fixed distance issue in dog track review.
Improvements to map drawing speed.
Fixed issue retrieving Public Land Survey System data from certain TOPO US 24K maps.
Changes made from version 3.00 to 3.10:
Fixed potential shutdown with large number of dogs on dog tracker page.
Changes made from version 2.90 to 3.00:
Added support for VIRB Remote. Setup > Main Menu to add. See TrailTech (http://garmin.blogs.com/softwareupdates/2013/08/VIRB-remote.html) for more information.
Added indicator on the map when a dog or contact has lost communication
Improved to show other dogs when reviewing a dog's track on the map
Fixed issue where setting a track to show on the map would not hold through a power cycle
Fixed issue where pausing all tracking would not prevent track points from being logged
Changes made from version 2.80 to 2.90:
Improve charging of a fully-depleted battery.
Changes made from version 2.70 to 2.80:
Prevent transmitting when no battery is installed.
Changes made from version 2.40 to 2.70:
Improve ability to drive accessory antennas.
Improvements to position reporting.
Changes made from version 2.30 to 2.40:
Added 'List Sync' option on the dog compass page. For multiple dog situations, this mode matches visible training dogs to visible tracking dogs.
Added 'Measure Distance' option on the map page.
Added support for new tempe sensor. See TrailTech (http://garmin.blogs.com/softwareupdates/2012/08/tempe-sensor.html) for more information.
Improved support for tracking greater than 15 dogs.
Fixed issue when setting up a user grid position format.
Fixed issue when navigating to a dog when routing is set to 'Prompted'.
Changes made from version 2.20 to 2.30:
Improved Compass autocalibration.
Fixed mark covey to correctly display numbers greater than nine.
Fixed potential shutdown when attempting to add a new geofence.
IBM-compatible PC running Windows XP or later operating system and an available USB port.