Release Notes for EN2A - Audio Firmware

This article lists the release notes of the EN2A (Audio Processor) Firmware (500-1010). This firmware controls the audio playback and USB communication functions of the EN2 PBS.

This firmware is no longer being developed. However, the latest firmware can be found at this link:

EN2A Firmware

Product applicability

Applies to model EN2 PBS (Push Button Station for 2W EZComm Navigator) only.

EN2 (EOL)

Filename: 500-1010XZZ.en2a (X is the Major Value, ZZ is the Revision Value).

Note: Firmware can only be updated using the EZ APS ToolBox PC application and a USB (Type A to B) cable plugged directly into the bottom of the EN2.


EN2A v4.04 (2012-10-28)

Critical Update

EN2A Firmware

  • SP1 release audio changes

EN2A v3.05 (2011-09-16)

  • Change VEN/DEV Codes to Polara
  • Add Bootload File List Retrieval Function

EN2A v1.04 (2011-07-19)

Initial Release

  • Update USB Stack to MCHPUSB v2.8
  • Add function to play sound via USB
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