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The unit cannot be controlled using the remote
control.
The unit is out of the operating range.
Use the remote control within the operating range (p.4).
The batteries are weak.
Replace with new batteries.
The unit’s remote control sensor is exposed to direct sunlight or
strong lighting.
Adjust the lighting angle, or reposition the unit.
The remote control IDs of the unit and the remote control are not
identical.
Change the remote control ID of the unit or the remote control (p.90).
Cannot select the desired input source even if
“INPUT” is pressed.
The function which skips some input sources is set.
Set “Input Skip” of the desired input source in the “Setup” menu to “Off” (p.83).
The RED/GREEN/YELLOW/BLUE keys of the
remote control do not operate.
The device which is connected to the unit via HDMI does not
support the operation of the RED/GREEN/YELLOW/BLUE keys.
Use a device which supports the operation of the RED/GREEN/YELLOW/BLUE
keys.
The settings of the RED/GREEN/YELLOW/BLUE keys of the unit's
remote control have been changed.
Set the “Remote Color Key” settings in the “Setup” menu to “Default” (p.84).
Problem
Cause
Remedy
00_RX-A550_om_U.book Page 96 Thursday, March 26, 2015 5:44 PM