Brand: MITSUBISHI ELECTRIC
Category: TV
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for 742 Series
Uploaded: Nov. 21, 2025, 6:19 p.m.
Warranty Information
MEVSA warrants parts for 30 days (screen) or 1 year (lamp, other parts), embedded software for 1 year, and labor for 30 days or 1 year.
Basic TV Operation
Audio Controls: Press VOL to adjust the sound level of the TV speakers. Press AUDIO, then navigate with arrow keys to change volume, TV speakers setting (On/Off), or other audio settings. For external sound systems, switch TV speakers to Off.
Picture Settings: Press VIDEO, then use arrow keys to select Picture Mode (Brilliant, Game, Bright, Natural) or other picture adjustments. More settings are available in Picture > Video, Picture > Picture Plus, Picture > 3D Mode, or Picture > Perfect (842 Series).
Formatting: Press FORMAT to cycle through picture shapes. The TV remembers the last used format for each input.
StreamTV Internet: Connect to the internet via Ethernet or Wi-Fi. Access VUDU Movies and Apps. Requires broadband internet and account activation for paid content.
Troubleshooting and error codes
| Reset Name | When to Use | How to Use | Resulting Action |
|---|---|---|---|
| Control-Panel Lock Release | To re-enable the control-panel buttons after activation of the Control-Panel Lock | Press and hold the INPUT button on the control panel for ten seconds. If the TV is powered off, you can now press the POWER button to turn it on. | Allows the control panel to be unlocked if the remote control is misplaced. |
| System Reset | If the TV does not turn on or off, does not respond to the remote control or control-panel buttons, or has audio but no video. | Press and hold the POWER button on the control panel for ten seconds. | The TV will turn off. The green LED will flash quickly for about one minute. The changes you made most recently, before using SYSTEM RESET, may be lost. |
| TV Reset | To reset all consumer-accessible settings and all memories to the original factory defaults. Use TV Reset if the TV can respond to controls but TV behavior is abnormal. CAUTION: All owner-performed setups and adjustments will be erased. |
1. While viewing the TV, press MENU to display the TV main menu. 2. With the main menu displayed, press number keys 1 2 3 to display the Reset menu. 3. READ THE ON-SCREEN WARNING AND INSTRUCTIONS. • If you do not wish to use this reset, press EXIT or MENU to back out. • If you wish to continue, press ENTER to erase all memories and settings. |
The TV will start the initialization process and then turn off. The front green LED will start flashing. All memory and settings outlined in this Owner's Guide will need to be set again. |