Before you start using your TV, attach your TV stand or mount it on the wall.
CAUTION:
To attach the TV stand legs to your TV:

Attach the wall mount bracket (not included)
Before you begin the third-party manufacturer instructions, be sure to do the following things:

CAUTION:

NOTE:
Check to ensure that you have connected right cables for right ports securely. Loose connections can affect the quality of the picture image and color.



The following table shows the buttons on your remote control and describes what they are for.

1 POWER: Turn your TV on or off
2 Voice button: Receive the voice
3 Select:
4 D-pad (up/down/left/right navigation buttons)
5 Back: Return to the previous place in the menu or app
6 REWIND: Rewind streaming video, jump to the previous audio track or selection, jump up one page in menus. This button is also used to rewind paused live TV using Live TV Pause
7 PLAY/PAUSE: Pause or resume playback. This button is also used to activate and use the Live TV Pause feature
8 VOLUME + / VOLUME -: Increase / decrease the volume or un-mute the sound
9 Guide: Open the live TV Channel Guide
10 MUTE: Mute or un-mute the sound
11 App buttons: Quick access buttons to apps
12 Microphone
13 HOME: Display your TV’s Home screen / Stop playback if you are watching TV or streaming content
14 MENU: The button for the Menu
15 FAST FORWARD: Fast forward streaming video, jump to the next audio track or selection, jump down one page in menus. This button is also used to fast forward paused live TV using Live TV Pause.
16 Channel (up/down)
17 Quick Settings: Activate quick settings overlay
18 Recents: Open a row of recently watched content so you can easily switch between content.
Insert the batteries
Remove the battery door and insert the two AAA batteries into your Alexa Voice Remote.
Important information about the remote and batteries
Program your universal cable or satellite remote control to operate your new television (only for USA)
If you would like to program your other household remote controls to your new television, please refer to the User Manual supplied by your Cable or Satellite provider.
It should include instructions on how to program their remote to your television.
A list of codes for the most common Cable and Satellite providers are listed below. Use the code that is associated with your Cable or Satellite provider (if applicable).
DIRECTV......0178, 10178, 10019, 10748, 11314, 11660, 11710, 11780, 12049, 10171, 11204, 11326, 11517, 11564, 11641, 11963, 12002, 12183
Time Warner Cable......386, 0178, 10178, 400, 450, 461, 456, 0748, 1463, 0463, 10463
Comcast......0178, 10178, 10463, 11463, 10748, 11314, 11660, 10171, 11204, 11326, 11517, 11641, 11780, 11785, 11892, 11963, 12002
Cox Communications......0178, 10178, 1326, 1463
Dish Network......505, 627, 538, 720, 659
If the code associated with your Cable or Satellite provider is not listed, does not work or you cannot locate the instructions to program your remote, call your local Cable or Satellite provider’s customer service center.
If your Cable or Satellite provider does not have a code available, please contact us at one of the phone numbers on Page 2.
Using your cable set-top box or satellite receiver remote as a ‘universal’ remote
If you prefer to use your Cable Set-top Box or Satellite Receiver Remote as a ‘universal’ remote, then visit the Support page to view a list of the codes.
Connect your power cord to the TV and plug it into a power outlet. Your TV will display a launch screen showing the Toshiba logo.

The first time you turn on your TV, there is a guided setup to make it easy to connect your TV to the Internet and complete the setup of your TV. Your TV will automatically pair with your new Voice Remote with Alexa
NOTE:
Now that you’ve completed the first-time setup, your Home screen is your starting point for using your TV. Your Toshiba TV provides a variety of entertainment options, so you’ll always find something new. Use your TV to watch live channels, access video on demand to watch movies, and much more.
Press the Home button on your remote to get started.
If you are having trouble with your TV, first try turning it off and on again. If this does not fix the problem, check the tips in the following table. If your problem is not listed in the following table, then contact us at one of the phone numbers on Page 2.
| Issues | Possible solutions |
| No sound or picture |
|
| I have connected an external source to my TV and I get no picture and/or sound. |
|
| When I turn on my TV, there is a delay for a few seconds before the picture appears. Is this normal? |
|
| The picture is normal but there is no sound |
|
| Sound but no picture or black and white picture |
|
| The sound and/or picture is distorted or appears wavy |
|
| The sound and picture is blurry or cuts out |
|
| A horizontal or vertical stripe appears on the picture and/or the picture is shaking |
|
| The plastic cabinet makes a "clicking" type of sound |
|
| The remote control does not work |
|
Reference file: Toshiba 50C350KC 50" 4K UHD HDR LED Smart TV
Series: C350
Additionally, the document applies to other Toshiba models: 43C350U, 50C350U, 55A511FUT, 65C350U, 75C350U, 55C350C