By default raspberrry use dhcp to get local ip address, to set manually local ip address open LX Terminal and run command below:

sudo nano /etc/network/interfaces

Find eth0 block

auto eth0
iface eth0 inet dhcp

and change to :

auto eth0
iface eth0 inet static
address         # <– your static local ip address
network          # <– network
gateway           # <– router local ip address