- 158 -8.119 ~SD SET DARKNESSFormat: ~SD#### = Base print tone00 to 30When omitted: This command is ignored.*1 This command is not set until the next caret is received.*2 Since the print tone range for Oki Data is from -20 to +10, the range of the parameter ##, 0 to 30, isadjusted to it.Value of parameter ## Oki Data print tone value30 → 1029 → 928 → 827 → 726 → 625 → 524 → 423 → 322 → 221 → 120 → 019 → -118 → -217 → -316 → -415 → -514 → -613 → -712 → -811 → -910 → -109 → -118 → -127 → -136 → -145 → -154 → -163 → -172 → -181 → -190 → -20*3 The value set with this command is retained even after the printer power is turned off.*4 If "TONE ADJUST (SD)" in the Z-MODE parameter is set to ‘DISABLE,’ this command is ignored.