1. Open “Realterm”

2. Under Port Session, set Baud as 115200 and port depending on your computer, then click Open

3. Under Send Session, type the command in the blank in the format as: 0x?? 0x?? 0x?? 0x?? (?? is your code)
For instance: 0xfe 0xd1 0x3c 0xfd would set wakeup time as 60 sec

4. Check the +CR (carriage return) and +LF (line feed) under EOL

5. Click Send Numbers

Below is the example code: