CD/USB Receiver Firmware Update Guide
Introduction
This document describes the procedure and precautions for upgrading the CD/USB receiver firmware.
If an error occurs while you are updating the firmware, the CD/USB receiver may become unusable. Be sure to read the following procedure and precautions carefully before updating the firmware.
For basic operations of the CD/USB receiver, refer to the appropriate instruction manual for your model.
Checking the Firmware Version
- Press the [SRC] button and select "STANDBY" (standby state).
- Press the [VOL] knob to enter the function mode. "FUNCTION"/ "DISPLAY" is displayed.
- Turn the [VOL] knob to display "SYSTEM", and press the [VOL] knob.
- Turn the [VOL] knob to display "F/W UPDATE", and press the [VOL] knob.
- Turn the [VOL] knob to display "UPDATE SYSTEM", and press the [VOL] knob. Current firmware version is displayed.
Target Model and Firmware Version
The updater can be used for the firmware versions of the models shown below.
| Target models | Target firmware versions → Updated versions | Updater file name (size) |
|---|---|---|
| KDC-BT278U, KDC-BT360U, KDC-MP378BT, DPX594BT, DPX524BT, DPX504BT, DPX560BT, DPX-5200BT, DPX-U750BT, U341BT | Ver V133 or earlier → V134 | te1906k.krm (14.5 MB) |
| KDC-X304, KMR-D378BT, KDC-BT378U, KDC-BT34, KDC-BT640U, U381BT | Ver V129 or earlier → V130 | te1901k.krm (14.5 MB) |
| KMM-BT228U, KMM-BT260U, KMM-BT206, DPX304MBT | Ver V118 or earlier → V119 | te1943k.krm (14.5 MB) |
| KMR-M328BT, KMM-BT328U, KMM-BT328, KMM-BT306, KMM-BT356 | Ver V112 or earlier → V113 | te1941k.krm (14.5 MB) |
| KDC-X704, KDC-BT778HD | Ver V111 or earlier → V112 | te1930k.krm (14.5 MB) |
For how to check your firmware version, refer to "Checking the Firmware Version".
Work Flow
- Download the firmware files, and copy them to USB memory.
- Update the firmware. (It takes about 3 minutes.)
- Reset the CD/USB receiver.
- Check that the firmware has been updated.
Creating the Update Media
Create the update media on your PC.
- Download the appropriate updater for the model and firmware version to update.
- Copy the updater to the top of hierarchy in USB memory.
You can also copy the updater to a device containing audio files and update the firmware from it.
Update cannot be performed if it is copied inside a folder.
If the updater file name is changed, update cannot be performed.
Firmware Update Procedure
- Connect the updater media to the CD/USB receiver.
- When an audio file is played or "NO MUSIC" is displayed, press the [SRC] button and select "STANDBY" (standby state).
- Press the [VOL] knob to enter the function mode. "FUNCTION"/ "DISPLAY" is displayed.
- Turn the [VOL] knob to display "SYSTEM", and press the [VOL] knob.
- Turn the [VOL] knob to display "F/W UPDATE", and press the [VOL] knob.
- Turn the [VOL] knob to display "UPDATE SYSTEM", and press the [VOL] knob.
- Press the [VOL] knob again. "FILE CHECK" is displayed.
- Turn the [VOL] knob to display "YES", and press the [VOL] knob. Update starts with "UPDATING" displayed. Update should finish in approximately 3 minutes and "COMPLETED" is displayed upon completion.
- The receiver reboots automatically. Update on the firmware takes effect.
- Check that the firmware version is updated, by referring to "Checking the Firmware Version".
Troubleshooting
When "NO FILE" is displayed
- Check if the updater is on the top of hierarchy.
- Check if the updater file name is appropriate for the model to update.
If "WAIT" is displayed more than 5 minutes, you may fail the firmware update. In this case, check the following items:
- Pull out the USB memory and insert it again.
- Check if your USB memory has security function. If so, use the one without security function.
- Your USB memory may have problem. Update with another USB memory.
- The firmware is not downloaded and copied to the USB memory successfully. Download and copy it again.
Precautions
- Be sure to park the vehicle in a safe place before updating. Keep the engine running in order to prevent battery from running out.
- Do not turn off the engine or CD/USB receiver power while updating. Update cannot be performed correctly and the CD/USB receiver may become unusable.
