Updating the online help system
Installed on your SU90 system you will find a comprehensive context-sensitive online help system. The help system is updated periodically. You can then update your SU90 system with the new online help.
Prerequisites
In order to update the online help system, you need a USB flash drive. Your computer must have a suitable utility to unpack ZIP files. We recommend that you connect a computer keyboard to your Processor Unit.
It is assumed that you are familiar with the Microsoft®  operating system utilities for file handling.
Context
The context-sensitive online help is provided using a WebHelp installation using HTML format. It uses the default web browser on the computer. The help system comprises a large number of files.
Language codes = Folder names
da = Danish is = Icelandic sv = Swedish
de = German it = Italian tr = Turkish
el = Greek ja = Japanese vi = Vietnamese
en = English ko = Korean zh-CHT = Chinese
es = Spanish no = Norwegian zh-CN = Chinese (Simplified)
fr = French pl = Polish
id = Indonesian ru = Russian
Procedure
1 Obtain the new help file.
a Download the help file from our website to a local computer.
b Unpack the ZIP file, and place all the files in a folder named HTML.
c Copy the HTML folder to a USB flash drive.
2 Turn on the SU90 system.
3 Open a file manager utility.
a On the computer keyboard, press ⊞ Win+E to open the file manager.
or:
a Select Power Off on the top bar.
b In the Power Off dialog box, select Exit to Operating System to close the SU90 program.
c From the Windows® Start button, right-click to open File Explorer.
4 Navigate to the folder with the on-line help files.
c:\ProgramData\Simrad\SU90\Help
Observe that the folder contains one sub-folder for each language. Examples are "en" for English, "es" for Spanish and "de" for German. Language folders may be missing.
5 Update the existing help file.
a Open the relevant language folder.
b Rename the existing HTML folder to HTML_Old.
c Copy the entire HTML folder from the USB flash drive to the language folder.
6 Close File Explorer.
7 Restart the SU90 system.