Stanton RM-402 owner manual Hear

	Troubleshooting
Problem / Symptom	Possible Cause/ Solution
Sound is distorted	Only plug turntables into this input, do not plug in
	CD players or other Line Level sources. Turn down
Phono Input
	the INPUT GAIN CONTROL
	Make sure you are using good shielded audio
	cables. Some less expensive audio cables can be
	susceptible to hum and interference. Keep your
	audio cables away from AC power cables and AC
I hear hum.	transformers. Make sure the mixer is not mounted
	too close to high power amplifiers or lighting
	equipment power supplies or ballasts. Make sure
	your turntables are properly
	grounded.
	If you are using a microphone, make sure that
	you are not too close to the speakers or
I hear	headphones. If you hear feedback on the phono
	input, then the turntable may be mounted to close
feedback	to the speakers. Also, make sure the turntable
	base is placed on a surface that does not vibrate
	or resonate easily when the speakers are turned
	up loudly.