Operation Manual
  1. Basic Setup and Operation  11
For assistance call 1(800) 332-2119
TV Controls, continued
On some models, 
open the front cover 
to use buttons on the 
control panel.
TV Control Panel
Buttons on the control panel duplicate some keys on 
the remote control.
• To display the main menu, press 
INPUT
 and 
VOL
+
simultaneously for about 10 seconds. Press and 
hold 
INPUT
 and 
VOL
+
 for 10 seconds to clear the 
menu.
• Refer to upper labels when no TV menus are dis-
played.
• Refer to lower labels when using TV menus or after 
activating a special function.
System Reset
If the TV fails to respond to the remote control, the 
control-panel buttons, or will not power on/off, perform 
System Reset. Recent setting changes made before 
using System Reset may be lost.
To perform System Reset, press and hold the 
POWER
button on the control panel for ten seconds.
Panel-Lock Release
• To release the Panel Lock using the TV control 
panel, press and hold the 
INPUT
 button on the 
control panel for ten seconds. If the TV is off, press 
the 
POWER
 button to have it power on.
• To activate the Panel Lock, use the Lock menu, 
page 63.
Sample TV controls and STATUS indicator
POWER
STATUS
LED Color TV Condition
None 
TV is powered off. Normal operation.
Green 
TV is powered on. Normal operation.
Green 
TV powered off, auto-on TV Timer is 
set.
Normal operation. TV can be turned on 
at any time.
Green 
TV just powered off and lamp is 
cooling.
Sixty seconds after turning off TV, LED 
will start to flash. TV can be turned back 
on before flashing starts or after flash-
ing stops, but not while the indicator is 
flashing. Normal operation.
Yellow 
TV is too hot. 
The TV will display a 
warning message and shut off if it over-
heats.
• Ambientroomtemperaturemaybe
too high. Turn off the TV and let the 
room temperature drop.
• Clearblockedairvents.Ensureat
least a four-inch clearance on all 
sides of the TV. 
Yellow 
Lamp access door is not secure or no 
lamp installed.
TV will not operate until lamp access 
door is secured. See Appendix D.
Red 
Lamp failure. Replace the lamp. See 
Appendix D.
Red/ 
Yellow 
TV may require service.
• Hold power button on front panel for 
10 seconds to reset TV.
• If LED continues to flash red and 
yellow after reset, turn off the TV and 
unplug it from the AC power source.  
Wait one minute and then plug the 
set back in.
• If LED continues to flash red and 
yellow,
 go to www.mitsubishi-tv.com 
or call 1-800-332-2119 to receive 
Authorized Service Center informa-
tion.
You may be asked to count how 
many times the LED flashes each 
color to aid in troubleshooting.
The STATUS Indicator
Symbols   Off   Steady On 
 Slow Flashing   Fast Flashing










