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レシーバー Pioneer avh-4200nexのPDF システム・ファームウェアのアップデート手順をオンラインで閲覧またはダウンロードできます。Pioneer avh-4200nex 8 ページ。 In-dash multimedia av receiver

Pioneer avh-4200nex システム・ファームウェアのアップデート手順
Performing the firmware update will restore all settings to their default values.

Updating the firmware on your Unit

Procedure:
1. Connect a blank (formatted) USB storage device to your computer, then locate the correct
update file and copy it onto the storage device.
2. Insert 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.
7. Touch [System Information].