Instructions

Technical Bulletin
Horizon Software Update
Revised: 21 December 2021 ESTeem Horizon Series
Horizon Series Software Update December 2021
(swupdate-horizon-202112031127)
New Features
In this software update, the following new features were implemented:
Wireless The Horizon radio network can be customized for any network size and data throughput for maximum
efficiency on every wireless link.
Security The default wireless passphase will be randomized for added security.
Reporting The Horizon radios now support flat file “screen scraping” on the wireless status page.
Update Procedure
The software update can be completed using the Discovery Utility, ESTeem Networking Suite or web interface. This
procedure will update the radios using the web interface to integrate the security update and new features. To
complete the software update you will need the following update file either sent by ESTeem support or available for
download from our web page at
https://www.esteem.com/firmware
swupdate-horizon-202112031127.img (Firmware Update Image)
Operating System Update
1. To update the operating system software, open the Horizon radio’s web interface with any web browser and
select Software Update (Figure 1). Select “Software update image file” and press the Next button.
Figure 1: Software Update
1. Select “Upload via web browser” and press the Next button.
2. Press the Choose File button and select the swupdate-horizon-202112031127.img file from the location it was
saved on the computer. The file name will be displayed in the “software image path”. Press the Upload File
button and Figure 2 will be displayed.
3. Press the Validate and Update button to verify the integrity of the update file and complete the software
update. The software update will take approximately 2 minutes to complete the update.

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