Jensen MPR2121 - Mechless Receiver Manual

Also See for MPR2121:

Installation & owner's manual (15 pages)

Table of Contents

Contents

1 Preparation
- 1.1 Before You Start
- 1.2 Mounting the Head Unit
2 Wiring Diagram
3 Control Locations
4 General Operation
5 AM/FM Tuner Operation
6 USB Operation
7 RGB Color Operation
8 Bluetooth Operation
9 Jensen J-Link P2 App Operation
10 Voice Activation
11 Front 3.5mm Aux Input
12 Limited One Year Or Two Year Warranty
13 Specifications
14 Troubleshooting
15 Documents / Resources
- 15.1 References
- 15.2 Download manual

Jensen MPR2121 - Mechless Receiver Manual

Preparation

Please read entire manual before installation.

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.

Mounting the Head Unit

Typical DIN mounting

Insert the mounting sleeve into the installation kit or dashboard.
Bend multiple mounting tabs around the mounting sleeve until the mounting sleeve is secure.
Connect all wiring harnesses and slide the head unit into the mounting sleeve until it clicks into place.
Use the removal keys to remove the unit.

Wiring Diagram

FUSE
When replacing the fuse, make sure new fuse is the correct type amd amperage. Using an incorrect fuse could damage the radio. The unit uses one 10 amp ATM fuse located beside the Heat Sink

Control Locations

Power / Mute
Voice Control
Tune/Track Down
Volume Knob
Bluetooth Talk
Tune/Track Up
USB Port
Display
Auxiliary Input
Reset
Dimmer
Preset 6 / Folder Up
Preset 5 / Folder Down
Preset 4 / Random
Source
Preset 3 / Repeat
Preset 2 / Intro
Preset 1 / Play/Pause
Band / Go Back
Microphone

General Operation

Power On/Off	Press the button to turn the unit on. Press again to turn the unit off.
Changing Sources	Press SOURCE to select between Radio, USB, Auxiliary Input and Bluetooth. Modes of operation are shown in the display.
Volume	Adjust volume using the volume knob (00-40).
Mute	Press to silence the audio. Press again to resume listening at the previously selected volume.
Auxiliary Input	Insert a 3.5mm cable in the unit's front AUX port.
Reset	Press the RESET button to reset the unit back to the factory settings if abnormal operation occurs. The reset button is located on the front panel.
Setting the Clock	With the unit on, press DISP to display clock time. Press and hold DISP until the hours begins to flash, then release. Rotate the volume knob to adjust the time. Press and hold DISP to finish the clock setting.
Display	Press DISP to toggle display between various displayed information.
Audio / Menu	Press the volume knob momentarily to select between audio functions. Press and hold the volume knob for more than two seconds to select between the menu functions. Rotate the volume knob left/right to adjust or activate the desired function/audio.

AM/FM Tuner Operation

Seek Tuning	Press TUNE or TUNE to seek to the previousor next strong station.
Manual Tuning	Press and hold TUNE or TUNE to enter manual tuning mode, then press TUNE or TUNE momentarily to change radio frequency up or down one step at a time. Press and hole TUNE or TUNE to advance quickly.
Band	Press BAND to select between FM1, FM2, FM3, AM1 and AM2 bands. Up to six presets can be programmed for each band, enabling up to 18 FM stations and 12 AM stations to be stored in memory.
Storing Presets	Up to 18 FM and 12 AM stations can be stored. To store a station, select the desired band and station. Press and a station, select the desired band and station. Press and hold the desired preset button (1-6) for more than two seconds. When stored, the preset number will appear in the display.
Recalling Presets	Preset stations can be recalled any time by pressing the corresponding preset button.
Automatically Store	Press and hold MENU for more than 2 seconds, then press DISP to store 18 FM stations and 12 AM stations automatically.
Preset Scan	Touch PS to recall each preset station that has been stored in memory for each band. (Available with the Jensen Smart Remote App only)

USB Operation

Playing MP3 & FLAC Files	To play MP3 files, insert a USB device containing MP3 or FLAC files.
Track Select	Press TUNE to skip to the beginning of the next track. Press TUNE to skip to the beginning of the previous track.
Fast Forward and Reverse	Press and hold TUNE or TUNE to fast forward or reverse a track.
Pause	Press to temporarily stop USB playback. stop USB playback. Press again to resume playback.
Folder Access	Folders can be found by pressing Folder Up or Folder Down. About one second after the folder name is displayed, the first file under the selected folder will be displayed and playback will begin.
Repeat	Press RPT to toggle between the following options: RPT ALL - Plays all tracks on USB device. RPT ONE - Continuously repeats selected track. RPT FOLDER - Repeats all tracks in selected folder.
Random	Press RDM to play tracks in random order; press again to cancel the RDM function.
Intro	Press INT to play the first 10 seconds of each track; press again to cancel the INT function.

RGB Color Operation

Dimmer	Press DIM to adjust the dimmer level for the buttons and LCD, and turn the volume knob left or right to select HIGH (default)/MID/LOW.
Quick Preset Color	Press the volume knob while the dimmer level is being displayed to select one of 7 preset colors.
Setting the Color Mode	Press and hold the volume knob for more than two seconds to enter the color setting menu. Turn the volume knob left and right to select Color Auto (default)/Preset/Custom/Flash mode. Press and hold the volume knob for more than 2 seconds again to enter each color mode.
Auto Color	Set the unit to rotate between all illumination colors automatically.
Preset Color	Select one of the 7 colors (Blue/Green/Red/Yellow/Violet/Cyan/White).
Custom Color	Adjust each red, green and blue in the range of 0-32 to customize your colors for over 32K combination. Note: Adjusting each red, green and blue level to 0 will turn off all the lights on the LCD and buttons. To turn the lights back, press DIM and change the color again in the color setting.
Flash Color	Select one out of six different color and flash effect lights or turn it off. Flash lights will be demonstrated for about 30 seconds, and back to setting mode. The adjusted color will be flashed when there is an incoming Bluetooth call.

Bluetooth Operation

Preparation

Before using a Bluetooth device, it must be paired and connected. Ensure that Bluetooth is activated on your device before beginning the pairing process.

Pairing a New Device

The head unit broadcasts the pairing signal constantly when no devices are 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 Media Player"
The Bluetooth passcode is "1234".

Note: The head unit can be in any mode of operation when pairing is performed.

Streaming Audio Troubleshooting

The head unit supports A2DP wireless streaming audio from a Bluetooth mobile device directly to your head unit. The following functions can be used to control the music:

Press to skip to the next available audio track.
Press to skip to the previous audio track.
Press to toggle between play and pause during playback.

Jensen J-Link P2 App Operation

The Jensen J-Link P2 Smart App is the ultimate remote control for your receiver. Change the mode, station, song, volume, and settings directly from your smartphone without being in the receiver's line of sight.
Download the Jensen J-Link P2 Smart App from Apple App Store or Google Play Store and install it on your smartphone or tablet (QR code download link on the right).

Voice Activation

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 Assistant 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).

Limited One Year Or Two Year Warranty

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 (888) 921-4088
E-mail us at cs@jensenmobile.com

Specifications

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	Speaker output impedance: 4~8 ohms Line output voltage: 2 Volts RMS Dimensions: 7" x 3.8" x 2" (178 x 97 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: 75dBA (reference: 1 watt into 4 ohms)

Troubleshooting

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
Unit has power but no sound	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
NO FILE appears on display	No playable MP3 files found on the device	Check the device for valid MP3 files
NO SUPPORT appears on display	An invalid ID3 tag version is present	Version 1.0 to 2.0 ID3 tags are supported.