Unicode or local language

unicode=# SET CLIENT_ENCODING TO UNICODE;

SET

unicode=# show client_encoding;

 client_encoding

-----------------

 UTF8

(1 row)

insert into person(name) values('ሳምሶን');when i insert From PGAdmin and when i want to SELECT FROM  SQL SHELL(PSQL) i doesn't the normal value.how psql support UNICODE character?

unicode=# select * from person;( from SQL SHELL)

 ßê│ßê¥ßê╢ßèò

(1 rows)

select * from person;(from PGAdmin)

ሳምሶን

(1 rows)

The Language i use is "Amharic language" which is From Africa (Ethiopia country)

I want use the local language Amharic from  SQL SHELL,

How i use the Local Language  from SQL SHELL?