Safety Information

E N G L I S H

■ Read the operating instructions for the unit and all other com-		■ This manual uses pictographs to show you how to use the
ponents of your car audio system carefully before using the		product safely and to alert you to potential dangers resulting
system. They contain instructions about how to use the sys-		from improper connections and operations. The meanings of
tem in a safe and effective manner. Panasonic assumes no		the pictographs are explained below. It is important that you
responsibility for any problems resulting from failure to		fully understand the meanings of the pictographs in order to
observe the instructions given in this manual.		use this manual and the system properly.

	This pictograph intends to alert you to the pres-		This pictograph intends to alert you to the pres-
	ence of important operating instructions and		ence of important operating instructions and
Warning	installation instructions. Failure to heed the	Caution	installation instructions. Failure to heed the
	instructions may result in severe injury or death.		instructions may result in injury or material dam-
			age.

Warning

Observe the following warnings when using this unit.

❑The driver should neither watch the display nor operate the system while driving.

Watching the display or operating the system will distract the driver from looking ahead of the vehicle and can cause accidents. Always stop the vehicle in a safe location and use the parking brake before watching the display or operating the system.

❑Use the proper power supply.

This product is designed for operation with a negative grounded 12 V DC battery system. Never operate this prod- uct with other battery systems, especially a 24 V DC battery system.

❑Keep batteries and insulation film out of reach of infants.

Batteries and insulation film can be ingested, so keep them out of the reach of infants. If an infant ingests a battery or insulation film, please seek immediate medical attention.

❑Protect the Deck Mechanism.

Do not insert any foreign objects into the slot of this unit.

❑Do not disassemble or modify the unit.

Do not disassemble, modify the unit or attempt to repair the product yourself. If the product needs to be repaired, con- sult your dealer or an authorized Panasonic Servicenter.

❑Do not use the unit when it is out of order.

If the unit is out of order (no power, no sound) or in an abnormal state (has foreign objects in it, is exposed to water, is smoking, or smells), turn it off immediately and consult your dealer.

❑The remote control unit should not lie about in the car.

If the remote control unit lies about, it could fall on the floor while driving, get wedged under the brake pedal, and lead to a traffic accident.

❑Refer fuse replacement to qualified service person- nel.

When the fuse blows out, eliminate the cause and have it replaced with the fuse prescribed for this unit by a qualified service engineer. Incorrect replacement of the fuse may lead to smoke, fire, and damage to the product.

Observe the following warnings when installing.

❑Disconnect the lead from the negative (–) battery terminal before installation.

Wiring and installation with the negative (–) battery terminal connected may cause electrical shock and injury due to a short circuit.

Some cars equipped with the electrical safety system have specific procedures of battery terminal disconnection.

FAILURE TO FOLLOW THE PROCEDURE MAY LEAD TO THE UNINTENDED ACTIVATION OF THE ELECTRICAL SAFETY SYSTEM RESULTING IN DAMAGE TO THE VEHICLE AND PERSONAL INJURY OR DEATH.

❑Never use safety-related components for installa- tion, grounding, and other such functions.

Do not use safety-related vehicle components (fuel tank, brake, suspension, steering wheel, pedals, airbag, etc.) for wiring or fixing the product or its accessories.

❑Installing the product on the air bag cover or in a location where it interferes with airbag operation is prohibited.

❑Check for piping, gasoline tank, electric wiring, and other items before installing the product.

If you need to open a hole in the vehicle chassis to attach or wire the product, first check where the wire harness, gaso- line tank, and electric wiring are located. Then open the hole from outside if possible.

❑Never install the product in a location where it inter- feres with your field of vision.

❑Never have the power cord branched to supply other equipment with power.

❑After installation and wiring, you should check the normal operation of other electrical equipment.

The continuation of their using in abnormal conditions may cause fire, electrical shock or a traffic accident.

❑In the case of installation to an airbag-equipping car, confirm warnings and cautions of the vehicle manufacturer before installation.

❑Make sure the leads do not interfere with driving or getting in and out of the vehicle.

❑Insulate all exposed wires to prevent short circuit- ing.

CQ-C5403U/C5303U

C5303U, CQ-C5403U specifications

The Panasonic CQ-C5403U and CQ-C5303U are two advanced car audio head units that combine exceptional sound quality with a wide range of features, making them ideal choices for audiophiles and casual listeners alike. Their sleek designs and user-friendly interfaces reflect Panasonic's commitment to providing an enhanced driving experience.

One of the standout features of both models is their support for MP3, WMA, and AAC audio formats. This ensures that users can enjoy their favorite music without being limited by file type restrictions. The units also come with a CD player, providing versatile playback options for those who prefer physical media. Furthermore, they boast a built-in radio tuner with enhanced reception capabilities, allowing users to enjoy their favorite stations even in areas with poor signal quality.

Sound quality is a top priority for Panasonic, and these models do not disappoint. They feature a 24-bit digital-to-analog converter, which significantly improves audio clarity and fidelity. Additionally, the adjustable 5-band equalizer allows users to customize sound settings to suit their preferences, ensuring an optimized listening experience for any genre of music. The CQ-C5403U even comes equipped with a 2-way crossover and high- and low-pass filters, providing even more control over audio output.

Connectivity is another strong suit for both units. They feature a front auxiliary input, making it easy to connect portable devices like smartphones and MP3 players. The CQ-C5403U includes a USB input, allowing for direct playback from USB flash drives, which can store a vast library of songs. Bluetooth capability is available in the CQ-C5403U model, enabling hands-free calling and streaming music wirelessly, thus ensuring that drivers can stay connected while focusing on the road.

The visual display of both models is designed for clarity and ease of use. The LCD screen provides essential information about the current track, radio station, or connected device, while the user-friendly controls make navigation straightforward. Backlit buttons enhance visibility in low-light conditions, ensuring that drivers can operate the unit safely at night.

In summary, the Panasonic CQ-C5403U and CQ-C5303U are robust car audio solutions that provide an array of features tailored to enhance the in-car listening experience. With their high-quality audio output, versatile playback options, and modern connectivity features, these head units cater to all types of music lovers, making them an excellent addition to any vehicle.