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Please read entire manual before installation.
Power On/Off | Press ![]() Press ![]() |
Mode | Press MODE to select between AM/FM, CD player, auxiliary, USB and Bluetooth.. Modes of operation are shown in the display. CD and USB modes will not appear unless a CD is inserted or USB device is connected. |
Auxiliary Input | The JCR311 offers a 3.5 mm auxiliary input port on the front panel of the unit for connecting an audio device, MP3 player, etc. Press MODE to select auxiliary input mode. |
Volume | Adjust volume using volume knob (00-46). |
Display | Press DISP to show the clock. During MP3 playback, ID3 tag information, elapsed time, track number and file/folder names will automatically rotate on the display. |
Reset | Press RESET upon initial installation or if abnormal operation occurs. The reset hole is located under the volume knob of the front panel. |
Set the Clock | With the unit on, press and hold DISP until the clock begins to flash, then release. Press TUNE ![]() ![]() |
The clock will display 12-hour AM/PM time in USA frequency spacing mode (PM 10: 00). In European frequency spacing mode, the clock will display 24-hour time (22:00). | |
Audio Controls | Press the volume knob momentarily to select between Bass, Treble, Balance, Fader, EQ, Loud and Source Level. ![]() |
Bass | Press the volume knob until BASS appears then rotate volume knob left/right to adjust ( -6 minimum / +6 maximum). |
Treble | Press the volume knob until TREBLE appears then rotate volume knob left/right to adjust ( -6 minimum / +6 maximum). |
Balance | Press the volume knob until BAL appears then rotate volume knob left/right to adjust (BAL 7L - BAL 7R). BAL EVEN represents equal balance. |
Fader | Press the volume knob until FAD appears then rotate volume knob left/right to adjust (FAD 7R - FAD 7F). FAD EVEN represents equal fader. |
EQ | Press the volume knob until EQ appears then rotate volume knob left/right to adjust USER, ROCK, BEAT, CLASSICS, JAZZ, POP, and FLAT. |
Loudness | Press the volume knob until LOUD appears then rotate it to adjust OFF/ON. |
SRC Level | Press the volume knob until SRC LEVEL appears then rotate it left/right to adjust the current source volume (-6 minimum/+6 maximum). |
Press and hold the volume knob for more than 3 seconds to access the setup menu. Press the volume knob momentarily to select between the menu functions and rotate the volume knob left/right to adjust or activate the desired function.
Menu Function | Options | Action |
Auto Station Store | AUTO STORE | When you see Auto Store, press DISP to seek and save 6 strong stations in the current band. (Tuner mode only) |
Local/Distance Tuning | LOCAL OFF | Activates distance tuning (Tuner mode only). |
LOCAL ON | Activates local tuning for strong station reception only (Tuner mode only). | |
Tuner Frequency Spacing | FREQ USA | Programs the unit to USA tuner spacing. (200kHz for FM and 10kHz for AM). (Tuner mode only) |
FREQ EURO | Programs the unit to European tuner spacing. (50kHz for FM and 9kHz for AM). (Tuner mode only) | |
Auxiliary Input | AUX ON | Enables the front panel 3.5mm auxiliary input. |
AUX OFF | Disables the front panel 3.5mm auxiliary input. | |
Beep Confirmation | BEEP OFF | Disables the confirmation beep. |
BEEP ON | Enables the confirmation beep. | |
Programmable Turn On Volume | PRO OFF/ VOL# | Programs unit to always turn on at a specific volume (default is OFF). Any volume level 1-30 can be selected. |
Power On Message | MSG OFF | Disables power on message. (Example: GOOD MORNING) |
MSG ON | Enables power on message to be displayed. | |
Scrolling Option | SCROLL 15 SP | Programs unit to scroll information every 15 seconds (default). |
SCROLL ONCE | Programs unit to scroll once then show the first 10 characters on display | |
SCROLL ON | Programs unit to scroll continuously. | |
SCROLL OFF | Programs the unit to show the first 10 characters on display. | |
DEMO OFF | Disables the demonstration mode. | |
DEMO ON | Enables the demonstration mode. | |
Bluetooth | BT ON | Enables Bluetooth functionality. |
BT OFF | Disables Bluetooth functionality. | |
Auto Answer | ANSWER Auto | Programs unit to automatically answer every incoming phone call after 2-3 rings. |
ANSWER Manual | Programs unit to require the ![]() |
Seek Tuning | Press and hold TUNE ![]() ![]() |
Manual Tuning | Press TUNE ![]() ![]() |
Band | Press BAND to select between FM1, FM2, FM3, AM1 and AM2 bands. |
Storing and Recalling Station Presets | Up to 18 FM stations and 12 AM stations can be stored. To store a station, select the desired band and station. Press and hold the desired preset button (1-6) for more than 2 seconds. When stored, the preset number will appear in the display. The station can be recalled anytime by pressing the corresponding preset button. |
Automatically Store Stations | Press and hold the volume knob for more than 3 seconds to find auto store in the display. Then press volume knob to automatically store strong 6 stations in the current band. |
Insert CD | With the label facing up, insert a standard size CD into the CD slot. The CD will automatically begin playback. |
Eject CD | Press EJECT to eject the CD. The unit will change to previous mode of operation. If the disc is not removed within 10 seconds, the unit will reload the disc. The unit does not have to be turned on to eject CD. |
Track Select | Press TRACK ![]() ![]() ![]() |
Fast Forward/Reverse | Press and hold TRACK ![]() ![]() |
Pause | Press ![]() Press ![]() |
Intro | Press INT to enter the Intro menu, then turn the volume knob to select one of the following options:
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Repeat | Press RPT to enter the Repeat menu, then turn the volume knob to select one of the following options:
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Random | Press RDM to enter the Random menu, then turn the volume knob to select one of the following options:
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CD-R/CD-RW Compatibility | Some CD-Rs and CD-RWs may be incompatible with this unit, depending on media type and recording method. In addition, the following CDs may be incompatible with this unit: CDs exposed to extreme temperatures or direct sunlight for extended periods of time, CDs recorded in which a recording session failed or a re-recording was attempted and, or encrypted or copy-protected CDs which do not conform to the audio CD-DA red book recording standard. |
Playing an MP3 CD | When an MP3 encoded disc is first inserted, "DISC READ" will appear in the display. Depending on the number of files and folders, this may take several seconds. |
Displaying Information | Press DISP to select between song title, artist, file name, folder name, track number, and clock/elapsed time. "NO ARTIST" or "NO TITLE" will be displayed if the MP3 file contains no ID3 tag information. "ROOT" will be displayed if the directory name of a root folder is not labeled. |
Title Icon | This icon will illuminate when the song title is displayed. |
Artist Icon | This icon will illuminate when the artist name is displayed. |
Folder Icon | This icon will illuminate when the folder name is displayed. |
File Icon | This icon will illuminate when the file name is displayed. |
Character Support | Maximum character display information
*Song title and Artist Name will only be displayed if included with the MP3 file. When referring to MP3 playback, the following terms are synonymous:
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Media Compatibility | The following types of discs/files are compatible:
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The following types of discs/files are not compatible:
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Playback Order | MP3 playback sequence is based on recorded order of files and begins in the root folder of the disc. Any empty folders or folders that do not include MP3 files are skipped. This unit may not play files in the order they were recorded in. Refer to your recording software's user's manual for more information. |
Compatible Recording Formats |
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ISO9660 standards:
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Additional MP3 Information | An internal buffer provides ESP (Electronic Skip Protection) to virtually eliminate skipping. |
When playing a disc recorded with regular audio files (CD-DA or. WAV) and MP3 files, the unit will play the MP3 files only. | |
Only MP3 files with filename extension (.mp3) can be played. | |
Do not attempt to play discs which contain non-MP3 files with the MP3 extension. | |
Sampling Frequency Rates MP3 | 8kHz ~ 48kHz |
Transfer Bit Rates MP3 | 32kbps ~ 320kbps constant
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MP3 Tag Display | ID3 tags Version 1.0 to 2.4. This model will not display ID3 Version 2.4 or greater tags. |
Recommended Settings | For best results, use the following settings when burning an MP3 disc: 128kbps or higher constant bit rate 44.1kHz or higher sampling frequency |
Connecting a USB Device (sold separately) | To play MP3 files from most USB mass storage devices, line up the USB connector and insert the USB device into the unit's USB port. |
Playing Music | When a USB device is first connected, "USB READ" will appear in the display and playback will begin momentarily. Depending on the number of files and folders, it may take several seconds for the device to begin playing. If no valid MP3 files are detected, "NO FILE" will be displayed and the last mode will be resumed. |
Track Select | Press TRACK ![]() ![]() ![]() |
Fast Forward and Reverse | Press and hold TRACK ![]() ![]() |
Pause | Press ![]() Press ![]() |
File Search Step 1 | Press SELECT to enter the file/folder search mode. A list of all the folders from the USB device will be displayed.
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Step 2 | Turn the volume knob to cycle through all the folders on the device and press SELECT to choose the desired folder. The list of files in the selected folder will be displayed. Turn the volume knob to cycle through the list of files.
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Step 3 | Once the desired song is displayed, press SELECT to begin playback of the desired song.
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Displaying Information | When a file is accessed, the clock and elapsed time will be displayed. Press DISP momentarily to select beween song title, artist, file name, folder name, track number and clock/elapsed time. "NO TITLE" will be displayed if no song title information is available. "NO ARTIST" will be displayed if no artist information is available. |
Song Title Icon | This icon will illuminate when the song title is displayed. |
Artist Icon | This icon will illuminate when the artist name is displayed. |
Folder Icon | This icon will illuminate when the folder name is displayed. |
File Icon | This icon will illuminate when the file name is displayed. |
Folder Access | Press
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Repeat | Press RPT to enter the Repeat menu, then turn the volume knob to select one of the following options:
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Random | Press RDM to enter the Random menu, then turn the volume knob to select one of the following options:
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Intro | Press INT to enter the Intro menu, then turn the volume knob to select one of the following options:
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Character Support | Maximum character display information
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Media Compatibility | The following types of files are compatible:
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The following types of files are not compatible:
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Playback Order | MP3 playback sequence is based on order the files are copied to the USB device and begins in the root folder. Any empty folders or folders that do not include MP3 files are skipped. Depending on your software, the playback order may vary. |
Playback Capacity |
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USB Device Compatibility | Due to the differences of USB devices, some devices may not be compatible. USB devices must be 'mass storage class' and formatted to the FAT or FAT32 file system in order to ensure compatibility. |
Additional MP3Information | Only MP3 files with filename extension (.mp3) can be played. Do not attempt to play non-MP3 files with the MP3 extension. |
Sampling Frequency Rates MP3 | 8kHz ~ 48kHz |
Transfer Bit Rates MP3 | 32kbps ~ 320kbps constant
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MP3 Tag Display | ID3 tags Version 1.0 to 2.4
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Pairing a New Device | Before you can use a Bluetooth device, it must be paired and connected. Make sure that Bluetooth is activated on your device before you begin the pairing process. The unit broadcasts the pairing signal constantly when no devices are currently connected. Complete the pairing sequence from your Bluetooth device. Refer to the owner's manual for your device for more details. The device name is "JENSEN JCR311"
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Pairing Additional Devices | If a device is currently connected, press and hold ![]() |
Connecting a Paired Device | Most Bluetooth devices support the auto-connect feature, and will connect automatically if the device is in range when the unit is powered-on. If your device was previously paired but does not connect, use these instructions below.
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Disconnecting a Device | Press and hold
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Recent Calls List | Press SELECT from Bluetooth mode to view recent calls dialed, received or missed while connected to the head unit. Turn the volume knob to cycle through the recent phone numbers. Press SELECT or ![]() |
Redialing the last number | To redial the last phone number, press ![]() ![]() |
Receiving a phone call | Incoming phone calls will automatically appear on the display and a ring tone will be heard.
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Ending a Phone Call | During an active phone call, press ![]() |
Streaming Audi | The unit supports A2DP (advanced audio distribution profile) wireless streaming audio from your Bluetooth mobile device directly to your head unit. The following functions can be used to control the music:
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The unit supports A2DP (advanced audio distribution profile) wireless streaming audio from your Bluetooth mobile device directly to your head unit. You can also control your music from the front panel of the head unit using AVRCP (audio video remote control profile).
Notes:
After pairing, connecting and enabling streaming audio from a compatible mobile device, begin playing music using the music player on your mobile device. Once the music is playing, the following functions can be used to control the music:
Note: Some Bluetooth devices may not fully support these commands.
Your receiver is designed with an easy access voice activation button to use Siri® or the Google Assistant™ via your car's Bluetooth. Interact with your smartphone assistant while you drive with only the push of a button!
Bluetooth should be paired between your smartphone and the receiver. Press the voice activation button, and the receiver will switch into Bluetooth mode, This will activate Siri® or Google AssistantTM on your smartphone. You will need to manually switch back to the previous or desired mode once this operation is terminated.
CD Player | Frequency response: 20Hz-20kHz Channel separation @ 1kHz: >60dB D/A converter: 1 Bit |
FM Tuner | Tuning range: 87.5MHz-107.9MHz Usable sensitivity: 8.5dBf 50dB quieting sensitivity: 10dBf Stereo separation @ 1kHz: >30dB Frequency response: 30Hz-13kHz |
AM Tuner | Tuning range: 530kHz-1710kHz Usable sensitivity: <42dBu Frequency response: 30Hz-2.2kHz |
General | USB Charge: 1A Speaker output impedance: 4~8 ohms Dimensions: 7" x 5.9" x 2" (178 x 150 x 50 mm) |
* Design and specifications subject to change without notice.
CEA-2006 Power Standard Specifications
(reference: 14.4VDC +/- 0.2V, 20Hz~20kHz)
Power Output: 16 Watts RMS x 4 channels at 4 ohms and < 1% THD+N
Signal to Noise Ratio: 80dBA (reference: 1 watt into 4 ohms)
Problem | Cause | Action |
Unit will not turn on (no power) | Yellow wire not connected or incorrect voltage Red wire not connected or incorrect voltage | Check connections for proper voltage (11~16VDC) |
Black wire not connected | Check connection to ground | |
Fuse blown | Replace fuse | |
Unit has power (but no sound) | Speaker wires not connected | Check connections at speakers |
One or more speaker wires touching each other or touching chassis ground | Insulate all bare speaker wires from each other and chassis ground | |
Unit blows fuses | Yellow or red wire touching chassis ground | Check for pinched wire |
Speaker wires touching chassis ground | Check for pinched wire | |
Incorrect fuse rating | Use fuse with correct rating | |
Excessive skipping | Unit is not mounted correctly or backstrap is not secure | Check mounting sleeve and backstrap support |
Physical defect in media (CD, CD-R or CD-RW) | Check media for scratches | |
ERR FILE appears on display | Disc read error | Press eject or RESET |
Focus error or disc is in upside down | Press eject or RESET | |
NO FILE appears on display | No playable MP3files found on the device | Check the device for valid MP3 files |
Unit will not accept a disc | CD mechanism position out of alignment | Press EJECT to reset CD mechanism position |
CD transit screws still in place | Remove 2 transit screws located on top of the unit | |
NO SUPPORT appears on display | An invalid ID3 tag version is present | Version 1.0 to 2.0 ID3 tags are supported. |
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Visit https://www.jensenmobile.com
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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