devention DEVO-7 User Manual page 169

Turn on the power and the LCD display as below, it means the radio go into the
upgrading status.
Insert the UP02's ￠3.5 Audio to the DSC jack. As below:
Insert UP02's USB to the PC.
Run the UP02 program in the PC.Details please follow the UP02 upgrade manual.
Replace only with same or equivalent batteries.
Dispose of used batteries according to the relevant regulations.
This symbol indicating separate collection for electrical and electronic equipment.
DEVO-7 Page 169 of 170