Soldering Station OLED Digital Adjustment Auto Sleep 1s-1.5s Quick Heating JBC 210 Micro Electronic Repair Welding ToolsLong press the encoder to enter the first level menu, rotate the encoder to select the second level menu you want to enter, and short press to enter the second level menu. Rotate the encoder again, move the cursor to the specific parameter that needs to be modified, and short press the encoder to select the content (the option value is displayed behind the text after selection). Rotate the encoder again to modify the value. After the modification is completed, short press the encoder to cancel the selection (the option value disappears after canceling the selection). Rotate the encoder again to move the cursor to other parameters. To exit the first-level menu and the second-level menu, you need to long press the encode