CipherLab RS30 Reference Manual page 74

RS30 Mobile Computer
If your mobile computer has the latest version installed already and there is currently no
later version available, or if no wireless connection is established, the System updates
screen will show the following message:
4) When the system update file has been downloaded, tap INSTALL to open an "Install
update" confirmation window. Tap Install in the confirmation window to begin the
installation.
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Reference Manual