Delta M Series Operation And Installation Manual page 48

5.5.4.2 Communication Card
Procedure
Press "Communication Card" in the menu to enter communication card page. Communication
card page will show current information data of the gateway. Press the connection status line to
select Wi-Fi to connect.
5.5.4.3 Upgrade
Procedure
Press "Upgrade" in the menu to enter upgrade page. Click on the drop-down list to show all the
available BIN files and select the one needed to upgrade inverter firmware. It shows "OK" if suc-
ceed, and "Fail" if failed. Upgrade can resume from the break-point.
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