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3. Test for interference from the following sources:
Neon or halogen lights in the room. Light dimmers,
beginning with those closest to the IR-WMR.
Observe the IR-WMR’s LED while performing all the
tests. It is possible to have interference from more
than one source.
Eliminating optical feedback:
Optical Feedback Loop:
If you have an IR Receiver in
the same room as a Emitter, and you have some low-
level noise or interference, an optical feedback loop
can occur which will interfere with proper operation.
Symptoms can include: poor range, intermittent
operation or no operation.
Solution:
Replace the IR-E1HO “flooding Emitter” with IR-E1 or
IR-E2 Emitters and cover all Emitters with the
supplied IR blocking covers.
Identifying the type of interference:
The “Talkback”
LED on the front of the IR-WMR is a useful trouble-
shooting aid.
The LED should light blue only when a remote
command is being received. However, if the LED on
the IR-WMR “flickers”, and the IR-WMR functions
normally, there is no cause for concern.
If the IR-WMR does not work, and the LED does not
light at all:
Test the remote control(s) by operating
the A/V equipment directly. Replace the batteries if
needed. Double-check the wiring connections of the
IR-WMR, at the IR Connecting Block. Consult your IR
Connecting Block’s manual for more detail.
If the IR-WMR does not work, and the LED flickers
or remains solidly lit:
Cover up the Receiver with a
piece of cardboard (your hand will actually create
electromagnetic interference under some
conditions). Observe the IR test LED.