JVC KD-G645, KD-G646 manual Indication, Range, Select a PSM item Adjust the PSM item selected

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ENGLISH

Indication, [Range]

BASS *1, [–06 to +06]

Adjust the bass.

MIDDLE *1 (mid-range), [–06 to +06] Adjust the mid-range frequencies sound level.

TREBLE *1, [–06 to +06]

Adjust the treble.

FADER *2, [R06 to F06]

Adjust the front and rear speaker output balance.

BALANCE *3, [L06 to R06]

Adjust the left and right speaker output balance.

LOUD *4 (loudness), [LOUD ON or LOUD OFF] Boost low and high frequencies to produce a well-balanced sound at a low volume level.

SUB.W*5, [00 to 08, initial: 04]

Adjust the subwoofer output level.

VOL ADJ (volume adjust), [–05 to +05, initial: 00] Adjust the volume level of each source (except FM), in relation to the FM volume level. The volume level will automatically increase or decrease when you change the source.

•Before making an adjustment, select the source you want to adjust.

VOLUME, [00 to 50 or 00 to 30] *6

Adjust the volume.

*1 When you adjust the bass, mid-range, or treble, the adjustment you have made is stored for the currently selected sound mode (iEQ) including “USER.”

*2 If you are using a two-speaker system, set the fader level to “00.”

*3 This adjustment will not affect the subwoofer output. *4 The adjustment made (LOUD ON/LOUD OFF) will be

applied to all sound modes.

*5 Displayed only when “L/O MODE” is set to “SUB.W” (see page 13).

*6 Depending on the amplifier gain control setting. (See page 13 for details.)

General settings — PSM

You can change PSM (Preferred Setting Mode) items listed in the table on page 13.

1

2Select a PSM item.

3Adjust the PSM item selected.

4Repeat steps 2 and 3 to adjust other PSM items if necessary.

5Finish the procedure.

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Contents Instructions How to reset your unit How to forcibly eject a discThank you for purchasing a JVC product Possible performance from the unitContents Control panel KD-G646/KD-G645 Parts identificationDisplay window Main elements and features Installing the lithium coin battery CR2025Standby/on/attenuator button Basic settings Basic operations ~ Turn on the powerFor FM/AM tuner ⁄ Adjust the volume Getting startedWhen an FM stereo broadcast is hard to receive Radio operationsStoring stations in memory Start searching for a stationManual presetting Listening to a preset stationPlaying a disc in the unit Playing from a USB deviceTo fast-forward or reverse the track If a USB device has been attachedTo go to the next or previous folder for MP3/WMA Other main functions Prohibiting disc ejectionChanging the display information While playing an audio CD or CD TextSound adjustments Adjusting the soundSelecting the playback modes Select a PSM item Adjust the PSM item selected Finish the procedureIndication, Range Indications Selectable settings, reference Adjust the volume Title assignmentTo erase the entire title Select FM/AM Show the title entry screenMaintenance To keep discs cleanHow to handle discs Moisture condensationMore about this unit Playing an MP3/WMA disc General settings-PSM Changing the sourceTitle assignment Troubleshooting Symptoms Remedies/CausesTurn off the power then on again Have intended RecordedAlbum name Noise is generatedSpecifications FM TunerAM Tuner Having Trouble with operation? Precautions on power supply and speaker connections Parts list for installation and connectionWhen using the optional stay / 若選用支撐架 Removing the unitElectrical Connections Typical connections / 典型的接線方法將L/O MODE設定 Leads of this unit unused

KD-G645, KD-G646 specifications

The JVC KD-G646 and KD-G645 are standout models in the realm of in-car audio systems, designed to enhance your listening experience on the road. Equipped with advanced features and user-friendly technologies, these head units bring entertainment and functionality to your vehicle.

One of the prominent features of both the KD-G646 and KD-G645 is their ability to play various audio formats. They support MP3, WMA, and WAV files, enabling users to enjoy their favorite music stored on CDs or USB drives. The inclusion of a USB port not only provides a direct connection for digital playback but also facilitates charging for compatible devices, ensuring your gadgets remain powered during long drives.

These models boast a robust 50 watts per channel output, ensuring high-quality sound reproduction that can fill any vehicle. With a built-in four-channel amplifier, the audio clarity is notably enhanced, bringing out the finer details in music. Additionally, both units offer customizable equalizer settings, allowing users to tweak sound profiles to match personal preferences or specific genres of music.

Another essential aspect of the JVC KD-G646 and KD-G645 is their compatibility with satellite radio and optional Bluetooth connectivity. When equipped with a Bluetooth adapter, users can stream music wirelessly from their smartphones and even take hands-free calls. This integration fosters a safer driving environment by minimizing distractions and keeping the driver focused on the road.

The user interface of these head units is intuitive, featuring a clear LCD display that shows track information, equalizer settings, and source selection. The easy-to-navigate controls ensure that adjustments can be made without diverting attention from driving. Moreover, the selectable button illumination adds a stylish touch that can be tailored to suit individual aesthetic preferences.

Durability is another characteristic that defines the JVC KD-G646 and KD-G645. Designed to withstand the rigors of daily use, these models are constructed with high-quality materials to ensure longevity. They also come with a detachable faceplate for added security, making it easier to protect the unit from theft when leaving the vehicle.

In summary, the JVC KD-G646 and KD-G645 are feature-rich car audio systems that prioritize sound quality, user convenience, and technological integration. With their compatibility with various audio formats, robust amplification, Bluetooth streaming options, and an intuitive interface, these head units are an excellent choice for anyone looking to elevate their in-car audio experience.
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