Brother HL 3070CW - Manual (Page 131)

Control panel features
121
8
Comm. Mode
8
This field displays the current wireless network communication mode; Ad-hoc or Infrastructure.
a Press any of the Menu buttons (+, -, OK or Back) of the control panel on your machine.
b
Press + or - to choose Network.
Press OK.
c
Press + or - to choose WLAN.
Press OK.
d
Press + or - to choose WLAN Status.
Press OK.
e Press + or - to choose Comm. Mode.
Press OK.
f The current wireless network communication mode will be displayed; Ad-hoc or Infrastructure.
g Press OK again.