Use your latin (french) keyboard to get armenian characters:

To get:աբգդե զէըթժիլխ ծկհձղ ճմյնշոչ պջռսվտր ցւուփքևօֆ
Type :abgdé zêet'jilx ckh_zg' ç,_cmyns'oç',_c' p_jr'svtr c'wup'k'évôf
 
To get:ԱԲԳԴԵ ԶԷ ԸԹԺԻԼԽԾԿՀՁ ՂՃՄՅՆՇՈՉՊ ՋՌՍՎՏՐՑՒՈՒՓ ՔՕՖ
Type :ABGDÉZÊ ET'JILXCKH_Z G'_CMYNS'O_C'P _JR'SVTRC'WUP' K'ÔF