Customizing input names, Setting up channels – Vizio E321MV User Manual
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E321MV
Customizing Input Names
When you have multiple devices connected to your TV, it can become difficult to 
remember the inputs to which they are connected. Your TV features the ability to 
customize the names of these inputs to make them easy to remember. (Custom 
names have a 10-character limit.)
For example,
HDMI 1 could be renamed as My Blu-ray.
To customize an input name:
1. Press the
MENU button on the remote.
The on-screen menu is displayed.
2. Use the
Arrow buttons to highlight TV
and press
OK.
3. Use the
Arrow buttons to highlight
Input and press OK.
4. Use the
Arrow buttons to highlight
Input Naming and press OK.
5. Use the
Left/Right Arrow buttons on
the remote to highlight the input source 
you wish to rename. 
6. Use the
Arrow buttons to highlight
Custom Label and press OK. 
 
The on-screen keyboard is displayed.
7. Use the
Arrow and OK buttons to spell
the custom input name. 
 
When you are finished, highlight 
OK
and press
OK.
8. Press
EXIT.
Setting Up Channels
From the channel menu you can:
•	 Change	the	signal	source
•	 Start	a	new	channel	scan
•	 Scan	for	new/additional	channels
•	 Remove	channels	from	the	master	
list
•	 Change	the	audio	language
•	 Customize	channel	names
