Square dot between two square brackets notification icon? The icon looks like a square dot in middle and two square brackets surrounding it.

I tried looking for the icon on Google but couldn't find it.

How can I removes it and what is it?
E.D.I.T.  The icon is like [[•]] the dot is square its on system side. It appears and goes automatically. Dont know how to add screenshot. I am new here.Device is Yu Yureka Plus Running Cyanogen 12.1 and lollipop 5.1.1
[Img]https://drive.google.com/file/d/0B1P4PszWSbUbeEJ4RW5NRVZFazg/view?usp=docslist_api[\img]
That icon indicates that your phone is in vibrate mode.

Here is a similar question asked a year ago about that icon on a similar phone (The Yu Yuphoria): 

What is this notification , how do o get rid of this