Users Manual
![](/manual/serene-group/bt200/users-manual-vietnamese/images/img-8.png)
)0+*()8%$(). )(!
/
:#"
("$!53:
<'8
"::!5"
' "4
:) @&!5"
!5'"
("$("&:""("4"
#:) 6
!"''#"
'"#:""''':
("$("'
-