How do I know if my Belkin Wifi Extender is working?

Hi,

1. OFF - no power on the range extender, check if device is properly plugged into a power source.
2. Blinking Blue - range extender is starting up.
3. Solid Blue - Your device is connected to the available Wi-Fi network.
4. Solid Amber - connected to the Wi-Fi network but is getting a weak signal.

Belkin n300 setup
Belkin WiFi Extender Setup
Belkin Router Setup