Parasound Halo C1 Controller 56TROUBLESHOOTING GUIDE continued, Trouble, Probable Cause, Remedy

56TROUBLESHOOTING GUIDE continued

TROUBLE	PROBABLE CAUSE	REMEDY
Bass Weak or Missing,	Subwoofer level too low	Check level control on subwoofer or sub-
continued		woofer amp, “Sub” trim on Page 3 of C1/C2
		menu on Master remote, and subwoofer level
		settings on “Speaker setup” menu
	Double filtering	Disable low-pass filter in subwoofer or in C 1
Bass from sub does not	Sub polarity is incorrect	Reverse polarity on sub amplifier
blend with other channels
Hum and/or buzz heard	Defective audio interconnect	Check all audio interconnect cables in affect-
through speakers or	cable	ed channel or coming from affected source
headphones
	Ground loop with TV cable system	Disconnect your home theater system from
		the cable outlet. If the noise goes away, install
		a TV cable ground interrupter
	Ground loop among your	Move the ground switch on your power ampli-
	components	fier(s) to the “lift” position. Isolate the source
		component causing the hum. Disconnect
		sources one at a time and listen for hum each
		time. Press the C 1 mute button before you
		remove an input plug and unmute the C 1 after
		the plug is out. When you’ve disconnected a
		source and the hum disappears, reconnect all
		of the other sources again. Contact your deal-
		er about modifying the cable used to connect
		that component to break its ground path. If the
		C 1 and other components are rack-mounted,
		use insulated shoulder washers to prevent
		metal-to-metal contact between each compo-
		nent’s chassis or rack brackets and the rack
		rails
Some headphones do	Plug body too fat for front-panel	Get 3.5-mm stereo extension cord with thinner
not work with C 1	hole	plug body
Surround modes	Surround amps or speakers not	Change “Size” entries in Speaker Setup from
unavailable	entered in Setup	“No” to “Small” or “Large”
THX modes not available	Inapplicable mode or speaker	Consult mode table in “Using Main Controls”
	setup
Poor composite video	Wrong cable type	Use video cable (with yellow plugs), not audio
image		cable
Audible dialog is out of	DVD player does not correctly	Switch off the progressive scan mode on the
sync with speakers’ lip	synchronize the audio signal with	DVD player. Check www.parasound.com/halo for
movements when playing	the video image in its progres-	further information on this issue
a DVD	sive-scan mode
No sound or picture in	Remote zone turned off	Turn remote zone on
remote zone
Remote control affects	Remote infrared sensor plugged	Move sensor cable to correct jack
wrong zone	into wrong jack