LS740 how to enter code ##DATA#

when i start lg ls740 mobile. I am only able to enter number value. how to enter alphabate.
for example
I am only able to enter code 5689#*740#
But how I enter code ##DATA# . I dont know how to type "data". only numberic 0 to 9 i can type how to get text.
I want to enter code like
##DATA#

##DEBUG#

##TEST#