Mitsubishi 740, 840 Series Home Cinema Television Basic Owners Guide

 3.  TV Features 21
For assistance call 1(800) 332-2119
3D Video, continued
Notes on Using 3D Video Settings
3D signals and 3D settings affect some TV functions.  
Switch to a non-3D source to regain full TV operation.
If Source Format is set to Automatic  or one of the 
named 3D formats OR  Source Format
 is set to Off and 
the 3D video source is HDMI 1.4a compliant (picture may 
still appear as 2D), the following limitations apply:
•	 Picture adjustments are limited.  To make picture 
adjustments while...

22 3.  TV Features
For assistance call 1(800) 332-2119
3D Video, continued
•	blurry vision,
•	 double  vision that lasts longer than a few seconds,
Do not en gage in any potentially hazardous activity (for 
example, driving a vehicle) until your symptoms have com -
pletely gone away.  If symptoms persist, discontinue use and 
do not resume 3D viewing without discussing your symptoms 
with a physician.
Do not use the glasses where loss of balance or limiting your 
field of vision may be dangerous to you....

 3.  TV Features 23
For assistance call 1(800) 332-2119
Sound Projector Technology
The TV’s built-in speaker array can be adjusted to 
reflect sound off the room walls to create a surround 
sound effect.  Setup can be performed either manually 
or automatically.
•	To create the surround sound effect, the room walls 
must reflect sound and not be covered with sound-
absorbent material.
•	 Repeat the setup procedure if you reconfigure the 
room’s walls or furnishings.
Before You Begin
Positioning the TV
•...

24 3.  TV Features
For assistance call 1(800) 332-2119
Sound Projector, continued
Auto Setup
Auto setup uses a calibration microphone to optimize 
Sound Projector performance for most room condi-
tions.
Initial Preparation
1.  Position and connect the TV as described under 
“Before You Begin” on the previous page .
2. Power on the TV and external subwoofer, if any.
3. Plug the microphone cable into the TV’s INPUT 1 left 
(white) audio jack.
3D
GLASSES EMITTERANT
DIGITAL
AUDIO...

 3.  TV Features 25
For assistance call 1(800) 332-2119
1. From the Sound > SoundPro  menu go to the 
CUSTOM  menu.
2. Position yourself in your usual viewing location.  
Remain in this position, looking at the TV, while 
making the following adjustments.
3. Adjusting Beam Angles
a. Adjust Center Beam Angle  until sound is 
about equal in both ears.
b.  Adjust Left Beam Angle to maximize sound 
heard from the front left side.
c.  Adjust Right Beam Angle to maximize sound 
heard from the front right...

26 Appendices
For assistance call 1(800) 332-2119
Appendix A:  Auto Input Sensing
About Auto Input Sensing
This TV’s Easy Connect™ Auto Input Sensing feature 
detects the following connections automatically:
•	Analog video jacks
•	 HDMI inputs (when powered on)
Auto Input Sensing for Most Devices
When you first connect a device, the TV will: a. Detect the connected device and automati -
cally switch to it.
b.  Prompt you to identify the device type.
c.  Repeat these steps for other newly detected...

 Appendices 27
For assistance call 1(800) 332-2119
CAUTION
BURN DANGER!  HOT SURFACES INSIDE!
Touch lamp cartridge handle only.  Do not touch lamp or lamp car-
tridge housing.  Keep lamp cartridge horizontal during removal.  Do  not tilt as glass may come out and cause injury.  Replace lamp car -
tridge only with the same part number 915B455011.
CAUTION:  If the television is on, press POWER to turn it off.  Unplug the television and 
allow it to cool for at least one hour before attempting to replace...

28 Appendices
For assistance call 1(800) 332-2119
Replacement Procedure
Removing the Old Lamp Cartridge
1. Turn off TV power and unplug the TV.  Allow the 
lamp to cool for at least one hour before proceed -
ing.
2. After the lamp has cooled, remove the cover of the 
lamp compartment, located on the back of the TV.
Refer to figures 1 and 2.  Use a #2 (medium) Phillips 
screwdriver to loosen the screws securing the 
cover.   
Keep the screws and cover for re-installation
3. With a medium Phillips...

 Appendices 29
For assistance call 1(800) 332-2119
Appendix C:  Troubleshooting
TV Reset Comparison Guide
You can resolve many common TV problems using the 
reset functions described in the following table.
IMPORTANT
Before you change sound or picture settings:  If 
picture or sound settings seem wrong for a broadcast 
channel (a channel from the 
ANT input, a cable box, or 
satellite receiver), first check other channels from the 
same input before changing settings.  If most other  channels from the...

30 Appendices
For assistance call 1(800) 332-2119
Appendix C:  Troubleshooting, continued
Service and Customer Support
Service
If you are unable to correct a problem with your 
TV, consult Mitsubishi Consumer Relations at 
1 (800) 332-2119.
•	 DO	NOT	adjust	any	controls	other	than	those	described in this Owner’s Guide and the on-line 
supplemental Owner’s Guide.
•	
DO NOT remove the protective back cover of your TV.
Customer Support
•	 To	order	replacement	or	additional	remote	controls
, 
visit our...