Cardinal 225D Instructions Manual page 5

3. Power the 225D on.
4. When the 225D is in the operation mode, connect the AVR dongle ribbon cable to the port
labeled P8 2560 ISP on the 225D circuit board. See Figure 6.
IMPORTANT! Connecting the dongle to the ISP port before the indictor is fully operating
will cause connection problems.
5. Connect the dongle to a USB port of the computer and open the AVR program.
IMPORTANT! If the message "Your ISP requires a firmware update" is displayed, see
page 3 for instructions.
8200-0820-0M Rev A • 225D Firmware Update Instructions
Figure 6
Page 5