Place the microphone in the microphone stand by sliding it into the holder.
Connect a cable to the microphone. Connect the other end to the mixer input
Connect the headphones to the headphone jack on the mixer.
Connect the guitar to the amplifier with a cable.
Position the microphone in front of the mixer.
Turn on the mixer and the amplifier.
Put on the headphones.
Play the guitar. It will make sound through the amplifier.
Listen through the headphones.
Adjust the loudness of the headphone signal with the knob on the mixer marked "Headphones Volume." Adjust the knobs marked "EQ" to change the tone of the amplifier, as heard through the headphones.