NEC UNIVERGE GT890 - Use the GT890 Keys

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System Settings in Status Bar
Slide down the top status bar and select System Settings. Users will see the following settings.
Figure 29: System Settings in Status Bar
Turn on/off LCD display.
Turn on/off Bluetooth.
Turn on/off Wi-Fi.
Turn on/off the voice of
the phone.
Go to phone Settings.
Hide/Show
more options.
Switch RJ9 headset
or other.