Xantech 490-85 installation instructions Cause, Solution, Reposition the Emitter so that it is

Symptom 6: Emitters function but some (or all) components do not respond.

	Cause:	Solution
		Reposition the Emitter so that it is
1.	Emitter placement is incorrect.	directly over the components sensor
		window. Consult the components
		owners manual of the unit for the exact
		location of the IR Sensor Window.

		Reposition the Emitter to a position that
		is suitable for the unit. Use a 283 or
		286M Blink style emitter (they have a
		lower output than non-blink emitters 282
		and 284M). If the components do not
	Emitter placement is correct but the signal is	need to be controlled directly without an
2.	overpowering the unit or there is bleed-	IR Repeater system (components are
		located in an equipment closet), place a
	through from other emitters close by.
		Mouse Emitter Shield cover over the
		Emitter (PN#MS1). The rounded (non-
		stick) side of the emitter is a hi-output
		side and can reflect off other devices
		and overpower some components IR
		Sensors. If using a CB12 connecting
		block, try a 789-44 connecting block.
		This has a series resistor at the output,
		which will limit current to the Emitter.
		If you are using the 291-80 or 780-80
		CFL Friendly receiver, locate the Carrier
		Frequency Adjustment on the unit and
	Using a CFL-Friendly IR Receiver (291-80,	using a small blade screwdriver, (3/32"
	480-80, or 780-80) and trying to control a	blade width max.) rotate the adjustment
3.	unit with a carrier frequency greater then	for best performance of all the units in
	40kHz (I.e. RCA DSS, Scientific Atlanta,	the system. Note: The 480-80 version
	Jerald, and General Instruments Cable or	does not have this feature; you will either
	DSS Set Top Boxes).	need to change the unit to a 291-80,
		780-80 or the 490-90. The 490-90 is a
		wide band unit and will not require any
		frequency adjustment.

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