You will need to provide more information. Do you have a string that has byte values like that? In other words, do you have the string control/indicator set to "hex display mode", and what you provided is what you have? Or, do you have the string in normal display?
If it's in hex display mode, then use one of the string functions to get a string subset. Have you looked in the string palette?
If it's in normal display mode then you need to convert every 2 characters to hex values.
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