===================================================================================
  SeaMAC USB
  Software support package for Sealevel synchronous serial usb product family.
  --------------------------------------------
  Software Release Note
  --------------------------------------------
  Version 5.0.12
  May 24, 2018
  Copyright (c) 2006-2018 Sealevel Systems, Inc.
===================================================================================

This document describes the Sealevel Systems SeaMAC USB for Windows software release.

This document is divided into the following sections:
    o Description
    o Requirements
    o Changes
    o Known Issues
    o Technical Support



Description
===========
    SeaMAC USB provides a powerful WIN32 interface (CreateFile, ReadFile, WriteFile, etc)
    for all variations of the Sealevel ACC-188 synchronous serial devices. SeaMAC USB 
    supports raw (bit-shifter) mode and adds 64-bit support to PDA-184 software.


Requirements
============
    1. Sealevel Systems synchronous serial usb hardware (p/n 9065).
    2. 32-bit or 64-bit Microsoft Windows 7, 8.1, or 10
        NOTE: Windows 7 requires the following additional updates
        o Service Pack 1 - https://support.microsoft.com/en-us/help/15090/windows-7-install-service-pack-1-sp1
        o KB3033929 - SHA-2 Support - https://support.microsoft.com/en-us/kb/3033929
    3. 20MB free hard drive space.


Changes
=======
Version 5.0.12
    1. Driver updates
        o Bug fix: policy changed to allow proper OS shutdown during device activity
    2. Sample code updates
        o All sample code licensing changed to FreeBSD model
    3. Installer updated
        o Sealevel branding


Known Issues
============
    1. Windows 7 requires the following additional updates
        o Service Pack 1 - https://support.microsoft.com/en-us/help/15090/windows-7-install-service-pack-1-sp1
        o KB3033929 - SHA-2 Support - https://support.microsoft.com/en-us/kb/3033929 
                      If updating manually, please read installation details in MS15-025
                      https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-025#update-faq


Technical Support
=================
Sealevel Systems Inc. technical support is available Monday through Friday 8 A.M. to 5 P.M. 
Eastern Time at (864) 843-4343. Support is also available via email at support@sealevel.com. 
Please refer to our website at www.sealevel.com for additional product information, software 
updates, and current manuals for our products.