CMR270 - Receiver JENSEN - Free user manual and instructions

Product Type	Car Stereo Receiver
Brand	Jensen
Model	CMR270
Dimensions (W x H x D)	7.2 x 2.1 x 6.5 inches (standard 1-DIN)
Weight	2.5 lbs (1.13 kg)
Power Source	12V DC (vehicle battery) or optional AC adapter
Maximum Power Output	4 x 50 watts peak
Radio Tuner	AM/FM with 30 presets
Playback Formats	CD, CD-R, CD-RW, MP3, WMA (via USB or disc)
Media Inputs	Front USB, AUX 3.5mm input
Display	LCD with white backlight
Remote Control	Wireless remote included
Bluetooth	Not specified (likely not available on this model)
Main Functions	Radio, CD/USB playback, AUX input, clock display, equalizer presets
Maintenance	Clean with dry cloth; avoid liquids; check connections periodically
Safety	Do not open casing; use only specified power; avoid moisture
Spare Parts	Contact Jensen customer service or authorized dealers
Repairability	Not user-serviceable; seek professional help for repairs
General Information	User manual available in PDF; supports multiple languages

Frequently Asked Questions - CMR270 JENSEN

How do I tune the radio presets on my Jensen CMR270?

Press the TUNE/SEEK button to search for stations. Once a station is found, press and hold one of the preset buttons (1-6) to save it. Repeat for other presets.

Why is there no sound from my speakers?

Check that the speaker wires are properly connected to the receiver's harness. Ensure the volume is turned up and not muted. Also verify that the receiver is powered on (check fuse if needed).

Can I play music from my phone via AUX?

Yes, connect your phone's headphone jack to the AUX input on the front panel using a 3.5mm cable. Then press the AUX button on the remote or front panel to select that source.

How do I reset the Jensen CMR270 to factory defaults?

Press and hold the RESET button (a small hole near the volume knob) with a paperclip for a few seconds. This will clear all settings including presets and equalizer.

What CD formats are supported?

The receiver supports standard audio CDs, CD-R, and CD-RW discs. It can also play MP3 and WMA files burned onto CD-R/RW discs.

Can I use a USB flash drive with this receiver?

Yes, insert a USB flash drive into the front USB port. The receiver can play MP3, WMA, and WAV files. Ensure the drive is formatted in FAT32 and does not exceed 32 GB.

The display is flickering or dim. What should I do?

Check the vehicle's voltage (should be between 11-14V). If voltage is stable, adjust the dimmer setting via the menu. If problem persists, the display may need service.

How do I set the clock on the Jensen CMR270?

With the unit on, press and hold the CLOCK button until the time flashes. Use the rotary knob or arrow buttons to set the hour and minute. Press CLOCK again to confirm.

Does this model have Bluetooth?

No, the Jensen CMR270 does not include Bluetooth functionality. You can use the AUX input or USB for wired connections.

How do I clean the receiver?

Use a soft, dry cloth to wipe the exterior. Do not use any liquid cleaners or abrasive materials. Avoid spraying liquids directly onto the unit.

USER MANUAL CMR270 JENSEN

CMR270

Media Receiver with Bluetooth featuring a 7" Touch Screen Display

INSTALLATION & OWNER'S MANUAL

JL\$NK APP

Bluetooth®

JENSEN®

Copyright Note:

The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc.

The microSD logo is a trademark of SD-3C LLC.

Siri and Apple are registered trademarks owned by Apple Inc.

Google Assistant and Android are trademarks owned by Google LLC.

Other trademarks and trade names are those of their respective owners.

Please read all instructions carefully before attempting to install or operate.

Due to its technical nature, it is highly recommended that your JENSEN CMR270 is installed by a professional installer or an authorized dealer. This product is only for use in vehicles with 12VDC negative ground only.

To prevent damage or injury:

• Make sure to ground the unit securely to the vehicle chassis ground.
• Do not remove the top or bottom covers of the unit.
• Do not install the unit in a spot exposed to direct sunlight or excessive heat or the possibility of water splashing.
• Do not subject the unit to excessive shock.
• When replacing a fuse, only use a new one with the correct rating. Using a fuse with the wrong rating may cause the unit to malfunction.
• To prevent short circuits when replacing a fuse, disconnect the wiring harness first.
• Use only the provided hardware and wire harness.
• If you experience problems during installation, consult your nearest JENSEN dealer.
• If the unit malfunctions, reset the unit as described. If the problem still persists, consult your nearest JENSEN dealer or call tech assistance @ 1-888-921-4088.
• To clean the monitor, wipe only with a dry silicone cloth or soft cloth. Do not use a stiff cloth, or solvents such as paint thinner and alcohol. They can scratch the surface of the panel and/or remove the printing.
• When the temperature of the unit falls (as in winter), the liquid crystal inside the screen will become darker than usual. Normal brightness will return after the unit is in use for a while.
• When extending the ignition, battery or ground wiring, make sure to use automotive-grade wiring with an a minimum AWG 16 or more to prevent voltage drops.
• Do not touch the liquid crystal fluid if the LCD is damaged or broken. The liquid crystal fluid may be hazardous to your health or fatal. If the liquid crystal fluid from the LCD contacts your body or clothing, wash it off with soap immediately.

FCC Compliance

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may cause undesired operation.

Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Preparation

Before You Start

• Disconnect negative battery terminal. Consult a qualified technician for instructions.
• Avoid installing the unit where it would be subject to high temperatures, such as from direct sunlight, or where it would be subject to dust, dirt or excessive vibration.

Getting Started

• Insert the supplied keys into the slots as shown, and slide the unit out of the mounting sleeve.
  • Install mounting sleeve into opening, bending tabs to secure.
• Connect wiring harness as shown on page 5. Consult a qualified technician if you are unsure.
• Certain vehicles may require an installation kit and/or wiring harness adapter (sold separately).
• Reconnect negative battery terminal, and test for correct operation.
• Snap trim ring into place (if required).
• Slide unit into mounting sleeve to secure.

Metal brackets (not included)

Exploded view diagram of a device showing internal components and assembly (no text or labels)

TYPICAL FRONT-LOAD DIN MOUNTING METHOD

Wiring Diagram - Inputs/Outputs

Note:
When replacing a fuse, make sure to use the correct type and amperage. Using an incorrect fuse could cause damage. The unit uses (1) 10 amp ATC mini style fuse located on the power connector.

Wiring Notes:

Rear camera input

A rear view camera (not included) can be used with the Camera input.

① Voice Activation Button
② Tune/Track Up
③ Power/Volume/Mute
④ Tune/Track Down

⑤ microSD Card Slot
6 Reset
⑦ Auxiliary Input
⑧ USB Port

General Operation

Power On/Off	Momentarily press ⚙to turn the unit on. Press and hold to turn the unit off.
Volume	Rotate the volume knob to increase or decrease the volume level.
Mute	Momentarily press MUTE to silence the audio. Momentarily press MUTE again to return to the previously selected volume. Rotating the volume knob while the volume is muted will also cancel the mute function.
Mode	Press MODE to step through all available input modes: Radio, microSD, USB, Bluetooth Phone, Bluetooth Music, Auxiliary Input, Rear Camera and Settings. Modes of operation are indicated on the display and/or the monitor. Optional USB device and microSD card must be connected/inserted to appear in the mode selection string.
Auxiliary Input	Connect external audio/video devices to the 3.5mm auxiliary input on the front panel.
USB Input	Insert a USB device to play MP3 or FLAC audio files.
microSD Card	Insert a microSD card into the microSD card slot to play MP3 or FLAC audio files.
Main Menu	Press the house icon in the top left corner to access the Main Menu screen.

Reset

To resolve abnormal operation or if the unit is inoperable, use the tip of a pen to press the RESET button. The unit will reset the main processor to the default settings.

General Operation

Setup Menu

From the Main Menu screen, select Settings to access the Setup menu and select from three categories represented by the icons on the left side of the screen: Settings, Audio and Bluetooth.

Settings:

• Time Setting - Access and adjust date and time settings.
• Beep - Turn the audible beep on or off.
• Camera - Turn the rear camera input on or off.
• Loudness - Press to turn Loudness feature on or off.
• Radio Area - Adjust the following radio options: USA, Asia, Europe or South America.
• Calibration - Follow the prompts to calibrate the touch screen.
• Version - View current version numbers for the unit.
• Restore default - Press to restore unit to factory settings.

Audio:

- Sound Effect - Adjust EQ, Treble/Bass or Balance/Fader settings.

Bluetooth:

• Auto Connect - Turn Auto Connect feature on or off.
• Auto Answer - Turn Auto Answer feature on or off.

Touch Screen Controls

Dimmer ①

Voice Activation ②

Audio ③

Navigation ④

Settings 5

The touch screen controls on the bottom of each screen allow direct access to important features during any mode of operation.

Press to dim the display.

Press to utilize Voice Activation feature.

Press to adjust audio options such as EQ, Treble/Bass or Balance/Fader.

Press to directly access Navigation app.

Press to access the settings menu.

Radio Operation

Main Menu ①

Current Mode Indicator ②

Tune Frequency Down ③

Band ④

Local / Distance ⑤

Tune Frequency Up 6

Stereo ⑦

Preset Stations ⑧

AS/PS ⑨

Select the Radio icon from the Main Menu screen.

Press to return to Main Menu screen.

Displays current mode of operation.

Press and hold << to seek a lower frequency. Press << momentarily to tune the unit down one step at a time.

Press between 2 AM and 3 FM bands.

Press to toggle between Local and Distance tuning.

Press and hold >> to seek a higher frequency. Press >> momentarily to tune the unit up one step at a time.

Press to toggle between Stereo and Mono tuning.

Press and hold to set the current station in that preset spot. Press momentarily to recall the desired preset and begin playback.

Press to scan presets and listen to the first 10 seconds of each. Press again to stop scanning and listen to the station. Press and hold to automatically find and store the strongest stations as presets.

USB/microSD Card Operation

USB/microSD Operation

To play audio files from a USB device or microSD card, insert device and playback will begin automatically. To return to USB or microSD card playback from another mode of operation, select the corresponding icon from the Main Menu.

• USB Playback - Insert a USB device into the USB slot on the side of the unit.
• microSD Card Playback - Insert microSD card into the microSD slot on the top of the unit. When inserting a microSD card, the label should face up.

Main Menu ①

Press to return to Main Menu screen.

Current Mode Indicator ②

Displays current mode of operation.

Repeat ③

Press to select a repeat option: Repeat 1, Repeat Folder or Repeat Off.

Random ④

Press to enable or disable random playback.

Previous File / Track ⑤

Press to go back to the previous file or track.

Play / Pause ⑥

Press to pause or resume playback.

Next File / Track ⑦

Press to advance to the next file or track.

Folder Down⑧

Press to advance to the next folder.

Folder Up ⑨

Press to go back to the previous folder.

Direct Search 10

Press to directly enter file number to begin playback of that file.

Media Compatibility - USB/microSD Card

File Type MP3
File System	FAT	FAT 12 X
		FAT 16/FAT 32	✓✓
File Extension	.mp3/.MP 3/.Mp3/.mP3		✓✓
	.rmp/.m4a X
MPEG Format	MPEG 1		✓✓
	MPEG 2		✓✓
	MPEG 2.5		✓✓
Sampling Frequency	MPEG 1 32/44.1/48kHz
	MPEG 2 12/16/22.05/24kHz
	MPEG 2.5 8/11.025/12kHz
Bitrate	MPEG 1 32 ~ 320kbps
	MPEG 2 8 ~ 160kbps
	MPEG 2.5 8 ~ 160kbps
Other Information	Directory Depth Unlimited
	File Name Length 32 bytes
	Total File Number		2000 files
	Total Folder Number		200 folders
	File Number via Folder		2000 files
	MP3 ID3 TAG	ver.1.x	✓✓
		ver.2.x	✓✓
		Title, Artist, Album	✓✓

Notes:

- Due to ongoing technological advancement, some USB flash drives and/or microSD cards may be incompatible with this unit.

Media Compatibility

Media Compatibility	The following types of files are not compatible:MP3 PRO format, MP3 playlistsRMP formatWAV formatWMV formatAAC, protected AAC, M4A format
Playback Order	MP3 playback sequence begins in the root folder of the USB flash drive or microSD card. Any empty folders or folders that do not include MP3/FLAC files are skipped.
Compatible Recording Formats	ISO9660 standards:Maximum nested folder depth is 8 (including the root folder).Valid characters for folder/file names are letters A-Z (all caps), numbers 0-9, and “_” (underscore). Some characters may not be displayed correctly, depending on the character type.
Notes	Some files may not play or be displayed correctly, depending on sampling rates and bit rates.For best results, use the following settings when ripping MP3 files:128kbps or higher constant bit rate44.1kHz or higher sampling frequency

Preparation

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 "CMR270". The Bluetooth passcode is "0000". The unit can be in any mode of operation when pairing is performed. On certain phones, pairing may need to be done more than once.

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, enter the Bluetooth setup menu and turn Auto Connect on.

Bluetooth Phone

To access the phone, select Bluetooth Phone from the Main Menu or press the phone icon from any operational mode.

Main Menu ①

Press to return to the Main Menu screen.

Phone Keypad ②

Use the phone keypad to dial the desired phone number. Alternately, numbers can be dialed directly from the phone.

Current Mode Indicator ③

Displays current mode of operation.

Bluetooth Phone ④

Press to access Bluetooth phone.

Bluetooth Music 5

Press to access Bluetooth music.

Available Devices ⑥

Press to view a list of available devices.

Talk ⑦

Press to connect a call.

End Call 8

Press to end a call.

Bluetooth Operation

Dimmer ⑨

Audio 10

Settings ⑪

Bluetooth Phone ⑫

Bluetooth Music 13

Previous File / Track ⑭

Play / Pause 15

Next File/Track 16

Press to dim the display.

Press to adjust Audio options.

Press to access the Settings menu.

Press to access Bluetooth Phone (from Music mode).

Press to access Bluetooth Music (from Phone mode).

Press to go back to the previous file or track.

Press to pause or resume playback.

Press to advance to the next file or track.

Rear Camera Operation - (Optional)

Using Rear Camera

Connect an optional rear camera to the Camera Input (Black RCA connector). Refer to the wiring diagram for details.

Manual selection - Touch CAMERA icon from the Main Menu or from any operational mode (when enabled) to select camera mode. Touch the top left area on the screen to exit camera mode.

Note: The manual mode is for dedicated cameras that are ALWAYS on while driving, it is not meant for cameras that are connected to the vehicle's reverse light.

Auto Selection

The unit will automatically select camera mode when connected to the reverse lamp circuitry.

Note: The external video output is not active when using the rear camera input.

Navigation App Operation(audio only)

Activation of JENSEN Smart App should not be closed, but open on your smartphone for this operation. Touching will guide you instant access to your favorite navigation App on your smartphone.

JENSEN iPlug P1 Smart App Remote Control

The Jensen Smart app is the ultimate wireless remote control for your receiver. You can download the Jensen Smart app from the Apple App Store or Google Play Store and install it on your smartphone or tablet. Scan the following QR code to download the Jensen J-Link P1 application on your smartphone.

Voice Activation

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.

Front 3.5mm Aux Input

Connect an optional audio source into the 3.5mm (front panel) input. Select auxiliary input from the Main Menu to listen to audio. Adjust volume on the external audio source as needed (if connected to the headphone output of the device).

Specifications

FM Tuner	Tuning range: 87.5MHz-107.9MHzUsable sensitivity: 10dBf50dB quieting sensitivity: 20dBfStereo separation @ 1kHz: 38dBFrequency response: 30Hz-13kHz
AM Tuner	Tuning range: 530kHz-1710kHzUsable sensitivity: 24uVFrequency response: 30Hz-2.3kHz
Front USB	Compatibility: High Speed USB 2.0USB Class: Mass storage class
microSD	Compatibility: microSD memory card & microSDHC memory card
Monitor	Panel size: 7" diagonal measurementView angle (up/down/left/right): 50/70/70/70Resolution: 800 (H) x 480 (V)Brightness (cd/m2): 250Contrast ratio: 500:1Pixels: 1,152,000
General	Speaker output impedance: 4 ohmsLine output voltage: 2 volt RMSLine output impedance: 200 ohmsChassis dimensions: 7" x 2.5" x 4" (W x D x H)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: 75dBA (reference: 1 watt into 4 ohms)

This warranty gives you specific legal rights. You may also have other rights which vary from state to state.

Samsung America Inc. warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of the original purchase.

Samsung America Inc. agrees, at our option, during the warranty period, to repair any defect in material or workmanship or to furnish an equal new, renewed or comparable product (whichever is deemed necessary) in exchange without charges, subject to verification of the defect or malfunction and proof of the date of purchase. Subsequent replacement products are warranted for the balance of the original warranty period.

Who is covered?

This warranty is extended to the original retail purchaser for products purchased from an authorized Jensen dealer and used in the U.S.A.

What is covered?

This warranty covers all defects in material and workmanship in this product. The following are not covered: software, installation/removal costs, damage resulting from accident, misuse, abuse, neglect, product modification, improper installation, incorrect line voltage, unauthorized repair or failure to follow instructions supplied with the product, or damage occurring during return shipment of the product. Specific license conditions and copyright notices for the software can be found via www.jensenmobile.com

What to do?

1. Before you call for service, check the troubleshooting guide in your owner's manual. A slight adjustment of any custom controls may save you a service call.
2. If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center.
3. Please describe your problem in writing and include your name, a return UPS shipping address (P.O. Box not acceptable), and a daytime phone number with your shipment.
4. For more information and for the location of the nearest authorized service center please contact us by one of the following methods:

• Call us toll-free at 1-888-921-4088
• E-mail us at [e-mail]

Exclusion of Certain Damages: This warranty is exclusive and in lieu of any and all other warranties, expressed or implied, including without limitation the implied warranties of merchantability and fitness for a particular purpose and any obligation, liability, right, claim or remedy in contract or tort, whether or not arising from the company's negligence, actual or imputed. No person or representative is authorized to assume for the company any other liability in connection with the sale of this product. In no event shall the company be liable for indirect, incidental or consequential damages.

Troubleshooting

General
Problem Cause	Action
Unit will not turn on (no power)	Yellow wire not connected or incorrect voltageRed 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(s)
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 fuse(s)	Yellow or red wire touching chassis ground Check for pinched wire
	Speaker wires touching chassis ground Check for pinched wire
	Incorrect fuse rating Use fuses with correct rating
No video display (when in reverse)	Reverse circuit not connectedVehicle is not in reverse	Check connections at reverse lampSelect reverse gear

Customer Support

1-888-921-4088

(Monday-Friday, 9AM-5PM EST)

Visit https://www.jensenmobile.com

For Your Records

Please keep your original sales receipt and be prepared to provide this receipt in the event you require service, as your original receipt is considered the best proof of purchase and indicates the date you purchased your JENSEN product.

Dealer Name

Dealer Phone ____

Purchase Date ____

CMR270

INSTALLATION &

OWNER'S MANUAL

Circular icon featuring the United States flag with stars and stripes (no text or symbols)

Customer Support

1-888-921-4088

(Monday-Friday, 9AM-5PM EST)

Visit https://www.jensenmobile.com

Designed and Engineered in USA

JENSEN®

All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of NAMSUNG AMERICA INC.