- 160 -8.121 ^SL SET MODE AND LANGUAGE (FOR REAL-TIME CLOCK)Format: ^SLa,ba = Update methodS : When format is receivedT : When printing startsWhen omitted: Sb = LanguageNot supported yet*1 While ‘T’ for the Zebra ^SL command represents the time of drawing, ‘T’ for Oki Data representsthe time of printing.*2 If the update method with the unit ON is changed from “S: When format is received” to “T: Whenprinting starts,” this change takes effect when the print label length is changed or when the printeris turned off/on.