Updates & Downloads

eTrex 20x/30x SEA (GCD file) software version 2.30

as of September 15, 2021

Use Garmin Express to install this file.

(14.38 MB)

View system requirements

Notes:

• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin® for service.

Change History

Changes made from version 2.10 to 2.30:

• Fix issue of multiple sensors found notification.

Changes made from version 2.00 to 2.10:

• Added Screen Capture feature (Setup > Display > Screen Capture).
• Improved 'Save Portion' track feature. When saving a portion, the device now remembers that position in the track log so it can be used as a track segment for future portion saving.
• Fixed possible erroneous track point on power on.
• Fixed formatting issue with certain map names in the map information list.
• Fixed the issue of Thai unit display in area calc

System requirements

1. IBM-compatible PC running Windows 2000 or later operating system and an available USB port.