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C. Updating the firmware on your Unit
IMPORTANT
DO NOT perform any further steps of this firmware update if the model number is anything
other than AVIC- F77DAB, AVIC-F70DAB, AVIC-F970DAB, AVIC-F970BT, AVIC-F9770DAB
or AVIC-F9770BT.
Disconnect any mobile devices that are currently connected to your unit.
Ensure that the update file is located within the root (top) folder of your SD card or USB
storage device. There should be no other files on the SD card or USB storage device.
While your unit is being updated, DO NOT turn off the system's power and DO NOT touch
the unit's touch panel screen as this may result in severe damage to your unit.
DO NOT remove the SD memory card or USB storage device during the firmware update.
Performing the firmware update will restore all settings to their default values.
Procedure:
1. Connect a blank (formatted in FAT32) USB storage device to your computer, and then
locate the correct update file and copy it onto the SD card or USB storage device
2. Insert an SD card into the SD card slot or connect the USB storage device to the USB port
1 of the receiver.
3. Set the audio source to "OFF" on your unit.
4. Press the HOME button to display the Top menu screen.
5. Touch the keys below in the following order.
The "System" screen appears.
6. Scroll down the list and select [System Information].
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