my wlan work but cannot view wireless network

Hi to all
I’m facing an issue with my wlan(Atheros AR5212) the wlan1 is enabled as you can see in the picture.
The problem is the following, when I scan network to connect my router to a wireless SSID I’m unable to see any network in the list what can solve my problem?
thank you for this wonderfull software.
mikrotik2.png
mikrotik1.png

please any help will be nice for me wonderfull Mikrotik guys