Lenovo ThinkSystem ST650 V2 Setup Manual page 36

Note: When unplugging the external handset, see the following instructions:
Press the plastic clip on the plug forward.
Hold the clip and remove the cable from the connector.
Display panel overview
The diagnostics device consists of an LCD display and 5 navigation buttons.
ThinkSystem ST650 V2 Setup Guide
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LCD display
1
Scroll buttons (up/down/left/right)
2
Press the scroll buttons to locate and select system
information.
Select button
3
Press the select button to select from the options in the
menu.