3. After formatting your SD card, copy the new software file .
4. Turn off the IDU.
5. Put your SD memory card into the SD slot of back side of the IDU.
Figure C-3 The back of the IDU
6. Turn on the IDU. You can see the message “WRITING SOFTWARE” in LCD
Display.
Figure C-4 Writing software
7. If you see the message “FINISH TO WRITE”, IDU is finishing the software
upgrade. You have to wait until the IDU is restarted.
Figure C-5 Finishing to write
8. Turn off the IDU. Take your SD memory card away from the IDU.
9. Turn on the IDU.
SD_CARD
RS-232
RECEIVER
ANTENNA
12VDC
IN
12VDC
OUT
SD
Memory
Card Slot
WRITING
WRITING
WRITING
WRITING
SOFTWARE
SOFTWARE
SOFTWARE
SOFTWARE
FINISH TO WRITE
FINISH TO WRITE
FINISH TO WRITE
FINISH TO WRITE
