How to setup a guitar amplifier?

Hello! I have a GE-106 amplifier Wenstone, the issue is that I can not find it sounds good, The amp has: port for the guitar "volume" I guess a button is for the distortion (which is not as normal and put me not to sound... show more Hello! I have a GE-106 amplifier Wenstone, the issue is that I can not find it sounds good,
The amp has:
port for the guitar
"volume"
I guess a button is for the distortion (which is not as normal and put me not to sound ugly)
"Gain"
"treble"
"middle"
"bass"

HELP ME! NOT AS WELL PUT!
2 answers 2