Brand: Panasonic
Category: Automotive Electronics
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for CQ-RX450W
Uploaded: Nov. 21, 2025, 6:38 p.m.
Warranty Information
No specific warranty period is mentioned in the provided document pages.
Unit Operation
Power On/Off: Set ignition to ACC/ON, press [SRC] (PWR) to turn on. Hold [SRC] (PWR) for 1 second to turn off.
Source Selection: Press [SRC] to cycle through Radio, Disc Player, USB, and AUX.
Volume Adjustment: Turn [VOL] clockwise to increase, counterclockwise to decrease. Range 0-40 (default 18). Mute by setting to 0 or pressing [MUTE] on remote.
Radio (AM/FM) Operation
Band Selection: Press [BAND] to switch between AM, FM1, FM2, FM3.
Station Selection: Use preset buttons [1]-[6] to select stored stations. Hold preset buttons for 2 seconds to store current station. Use []/[] for manual tuning or seek tuning.
Auto Preset Memory (APM): Hold [BAND] (APM) for 2 seconds to automatically store best receiving stations.
Disc Player Operation
Disc Insert/Eject: Insert disc into slot with printed side up. Press [▲] to eject.
Track/File Selection: Use []/[] to skip tracks/files. Hold for fast forward/reverse. Use [A]/[V](FOLDER) to navigate folders.
Play/Pause: Press [BAND] (II/).
Play Modes: Press [4] (RANDOM), [5] (SCAN), [6] (REPEAT) to toggle modes (Random, Scan, Repeat, Folder Random, Folder Scan, Folder Repeat).
USB (MP3/WMA) Operation
Connection: Use USB extension cable. Do not connect USB device directly to unit.
File Selection: Use []/[] to select files. Use [A]/[V](FOLDER) to navigate folders.
Play/Pause: Press [BAND] (II/).
Search Mode: Press [Q] to enter file search mode. Turn [VOL] to select, [VOL] (PUSH SEL) to confirm.
iPod Operation
Connection: Use USB extension cable for iPod. Select iPod (USB) mode via [SRC].
File/Mode Selection: Use []/[] for files. Press [Q] to enter Playing Mode Selection (Playlist, Artist, Album, Genre). Use [VOL] to adjust and [VOL] (PUSH SEL) to select.
Play/Pause: Press [BAND] (II/).
Repeat/Shuffle: Use [6] (REPEAT) for repeat. Use [4] (RANDOM) for shuffle.
Troubleshooting and error codes
| Troubleshooting | ||
|---|---|---|
| Trouble | Possible Solution | Error Display Messages |
| Common No power |
Start the engine. Turn ignition to ACC. Verify wiring. Fuse blown (consult dealer/service center). Use same rated fuse. | None |
| No sound | Disable mute. Verify wiring. Wait for dew to disappear. Ensure proper grounding. Adjust balance/fader. | None |
| Noise | Verify wiring. Connect speaker leads correctly. | None |
| No sound from left, right, front, or rear speaker | Connect speaker lead correctly. | None |
| Left and right sounds are reversed | Adjust balance and fader. | None |
| Disc Player No sound, or disc is automatically ejected |
Load disc correctly. Clean the disc. | CD E1- CD-62- CD-63 |
| Sound skip, poor sound quality | Clean the disc. | CD-64- |
| Sound skip due to vibration | Ensure unit is securely mounted (max tilt 30°). Secure the unit. | None |
| Disc not ejectable | Press [▲]. If still not ejected, consult dealer/service center. | CD-ES- |
| Radio Frequent noise |
Tune to another high-intensity station. Ensure antenna mount is grounded. | TUNER -63 |
| Preset data deleted | Preset memory clears when power connector/battery is disconnected. | None |
| USB (MP3/WMA) Music is not played back even if a USB device is connected. |
Connect USB device and extension cable correctly. Check for playable music data. Use FAT12/16/32 file system. Use USB device with consumption current < 1A. Do not use USB Hub. If many folders/files, reading may take time. | NO USB |
| "READING" is displayed but music is not played back. | If USB device contains many folders/files, reading may take time. | USB-E1- USB -83- USB -84- |
| None | None | USB-E5- (After 5 seconds) ➡ To next file automatically |
| None | None | USB-E2- (After 5 seconds) ➡To next file automatically |
| None | None | USB-E3- |
| None | None | USB-62- |
| None | None | USB-83- |
| None | None | USB-84- |
| None | None | USB-ES- |
| None | None | USB-62- |
| None | File is copyrighted. Not playable. | USB -83- |
| None | A USB device is not connected or recognized. Use suitable USB memory. No playable files exist. Unsupported USB device connected. Use USB memory with consumption current < 1A. Switch source and re-select USB. Power cycle and re-select USB. Check USB connector. | NO USB |
| None | None | USB-E1- |
| For use with iPod NO IPOD |
iPod not recognized. Some time may be needed. Check connection. Reset iPod and reconnect. iPod has no playable music. Download playable music. | None |
| NO SONGS | iPod has no playable music. Download playable music. | None |