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Updates & Downloads

Voice, GPSMAP 276C/278/296/378/478 software version 2.20

as of October 30, 2006

Use Garmin Express to install this file.

(9.16 MB)

View system requirements


Change History

Changes made from version 2.10 to 2.20:

Changes made from version 2.00 to 2.10:

System requirements

  1. IBM-compatible PC running Windows 7 SP1 or later operating system and an available USB port.