Pioneer DEH-S4120BT Firmware Update Instructions - Page 5
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Also for Pioneer DEH-S4120BT: Firmware Update Instructions (6 pages), System Firmware Update Instructions (7 pages)
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9. After starting, there will be a progress bar while updating.
-> If it shows "ERROR" on the display, try the following:
"ERR->RETRY" Disconnect, then reconnect the USB storage device and press the M.C. dial
update.
10. Wait until the update is complete, which will take about 5 minutes.
-> You will see the following screen if the update has completed successfully.
11. The product will reboot after the update is finished. Do not touch anything even when the screen is
blacked out. After it has finished rebooting, the screen will return to the menu screen.
12. The firmware update is now complete. Your Pioneer Audio Receiver is now ready for use.
Verify that the firmware has been updated
Perform the same procedure for "Displaying the firmware version" to check that the firmware has been
updated.
Procedure:
1.
Start the vehicle engine (in an open, well-ventilated area).
2.
If AV Source is on, press and hold SRC/OFF.
3.
Press M.C. (multi-control) dial to display the "Initial" menu. then press to confirm.
to retry the