User manual

SOFTWARE UPGRADE
Software upgrades can be done over the air. When an upgrade is available for your box, the menu option will be
accessible. If there is no upgrade available, the menu option will be greyed out.
Press OK on this option (if it is available) and the new code download will start. Follow the instructions on the
download screen.
ERROR BANNERS
An error banner is displayed when there is a network error or input error from the user, or in the instance where
4121
signal is lost.
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22／28 DSD 4121 RV