Brother HL 3070CW - Manual (Page 129)

Control panel features
119
8
Signal
8
This field displays the current wireless network status; Strong, Medium, Weak, or None.
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 Signal.
Press OK.
f The current wireless network status will be displayed; Strong, Medium, Weak, or None.
g Press OK again.
Channel
8
This field displays the current wireless network channel.
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 Channel.
Press OK.
f The current wireless network channel will be displayed.
g Press OK again.