http://www.garmin.com/software/KNAG520_290.exe
Change History
Changes made from version 2.70 to 2.90:
Added hardware beep functionality for displays that support it.
Improved DR performance.
Added QWERTY keyboard option.
Fixed various shutdown problems.
Changes made from version 2.60 to 2.70:
Allow recovery of failed software update.
Corrected problem that caused traffic recievers to not powerup.