How do I turn off shop demo mode - Samsung UE40B7020 40 in. LED TV

light button on right middle and lock at same time with control pad to unlock

press and hold the VOL and MENU buttons together for 5 seconds. Press the VOL button first, then hold VOL + MENU combination for 5 seconds again. Push the "Tool" button, navigate to Shop Mode (Store Demo) and turn it off.

Press and hold the VOL and MENU buttons together for 5 seconds. Press the VOL button first, then hold VOL + MENU combination for 5 seconds again. Push the "Tool" button, navigate to Shop Mode (Store Demo) and turn it off.

DEMO Mode
The oven can be set to operate in a demo (eg in a retail
store) mode. In this mode the oven does not actually heat
If the oven has been inadvertently supplied in this mode.
The following instructions demonstrate how to exit this mode.
1. Ensure the oven is in the off state. Press and hold the +
button until a beep sounds. The 'Demo' text will begin
to flash.
2. While holding the + button turn the function selector to
the first oven function until another beep is heard.
3. Then turn the function selector to the 'off' position.
4. Release the + button.
5. Toggle and hold the temperature selector to the right (+)
until 3 beeps sound.
The 'Demo' text will no longer be lit and the oven will
function normally. If the 'Demo' test is still present then
repeat the above procedure.

go back to the stereo shop and make sure they connected the memory wire on the unit to a constant 12v source

Removing Your TV from Shop Mode or Store Demo Mode

First, confirm your TV is in Shop Mode or Store Demo Mode:

1. Press the INFO button on your remote control. A list of settings appears.
2. See if the Picture Mode setting is set to Shop Mode or Store Demo Mode.

There are three methods for removing your TV from Shop Mode or Store Demo Mode. If the first method does not work, try the second or third method.
Method 1

To remove your TV from Shop Mode or Store Demo Mode, follow these steps:

1. Press the Volume button on the side panel of your TV. If your TV does not have a side panel, press the Volume button on the front panel. The TV displays the volume bar.
2. Press the Menu button on the side panel of your TV for about seven seconds. Again, if your TV does not have a side panel, press the Menu button on the front panel. If Dynamic or Dynamic Mode is displayed on the screen, your TV has been removed from Shop Mode or Store Demo Mode.

Note: You may want to press the INFO button on your remote again to confirm you TV is no longer in Shop Mode or Store Demo Mode.

Method 2

1. Press the Volume button on your remote. The TV displays the volume bar.
2. Press the Menu button on the side panel of your TV for about seven seconds. Again, if your TV does not have a side panel, press the Menu button on the front panel. If Dynamic or Dynamic Mode is displayed on the screen, your TV has been removed from Shop Mode or Store Demo Mode.

Note: You may want to press the INFO button on your remote again to confirm you TV is no longer in Shop Mode or Store Demo Mode.

Method 3

1. Press and hold the Volume button on your TV. The TV displays the volume bar.
2. As you are holding the Volume button, press the Menu button on the side panel of your TV for about seven seconds. Again, if your TV does not have a side panel, press the Menu button on the front panel. If Dynamic or Dynamic Mode is displayed on the screen, your TV has been removed from Shop Mode or Store Demo Mode.

Note: You may want to press the INFO button on your remote again to confirm you TV is no longer in Shop Mode or Store Demo Mode.

Here'show to turn off the demo mode,

Power ON the television
(Use remote Commander)
1.Select "TV" mode (not AV, demo mode can't switch offwhen you are in AV)
2. Press the "home" button on the remote.
3. Select "settings"
4. Select "set up"
5. Scroll down to "factory setting" and restore them.
6. When it asks home or shop display select "home".