1) Press the key
1 to switch to the
input 1, L1
indicator lights
up.
2) Press the key
2 to switch to the
input 2, L2
indicator lights
up.
3) Press the key
3 to switch to the
input 3, L3
indicator lights
up.
4) Press the key
4 to switch to the
input 4, L4
indicator lights
up.
Note: Input 1 is
the default input
when the power
is on, and L1
indicator lights up
at the same time.
Physical Connection Showing Picture