Citizen Systems iDP-3550 - Manual (Page 105)

ESC "%" n
[Function] Specifying/Canceling the download character set
[Code] <1B>H <25>H n
[Range] 0
≤
n
≤
255
[Outline] This command selects/deselects the download character set. n is valid only for the least
significant bit.
Setting n0 = 1 selects the download character set.
Setting n0 = 0 deselects the download character set.
[Default] n = 0