AMX Distributed Audio Controllers Delta Series Operation And Reference Manual page 46

Programming the Delta System
FIG. 34 Label Selection
When Label is selected, the first letter in the IR command label will begin flashing (FIG. 35):
FIG. 35 Labeling IR Commands
Nav. LEFT will replace the character with a "space". The next character = "1", while
the previous character = Z
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Nav UP will display the next letter in the alphabet
Nav DOWN will display the previous letter in the alphabet
Nav RIGHT will move to the next character in the command label (you can only scroll
forward, you cannot scroll backward)
Nav LEFT will DELETE the character currently in focus, in the command label
Nav CENTER will save the room label and stop the characters from flashing
The characters are all upper case or numeric.
There is also a "space" character.
There are no "special" characters such as !@#$%^&*(){}-+?.
Also, there are no options to input lower case characters.
Delta Series Audio Controllers