HIMS Braille Sense U2 User Manual page 384

Mention is tweets which would be sent to more than one specified user.
You can use "Mention" function when you want to communicate with
specific users intensively.
How to send mentions is similar to way to post tweet. Just, enter at sign
(@) in front of User Id and type mention you want to send.
The following examples show the way to send mention.
(1) Launch "Tweet" dialog box, pressing "Enter-t (dots 2-3-4-5)" on
the Timeline.
(2) If "Tweet" dialog box is launched, "Tweet?" message is displayed.
(3) As following examples, enter at sign (@) in front of the "User ID"
and type your message.
Example 1: @Robin Hello, teacher.
Example 2: @Bill @Robin let's have dinner together this evening.
"Example 1" sends "Hello, teacher" mention to "Robin".
"Example 2" sends "Let's have dinner together this evening" mention to
"Bill" and "Robin".
(4) Press "Enter"
(5) If sending is successful, "Tweet Completed" message will be
displayed.
16.2.5.5 Reply
Reply is a function to answer received mention or tweet which other
users posted. Reply is sent to as a mention type.
If you want to open "Reply" dialog box, on the tweet which you want to
answer, press "Enter-y(1-3-4-5-6)" or move to the "Reply" dialog box by
pressing "Tab" and then press "Enter".
Or After calling up the Menu, you can select "Reply" located on the sub
menu of "Tweets".
"Reply" dialog box contains 4 controls as the same as "Tweet" dialog
box. You can move to the next control pressing "Tab"(F3 or "Space-4-5")
or to the previous control pressing "Shift-Tab"("Space-F3" or "Space-1-