Thank for choosing a Jensen product. We hope you will find the instructions in this owner's manual clear and easy to follow. If you take a few minutes to look through it, you'll learn how to use all the features of your new Jensen receiver for maximum enjoyment.
JMS4 Safety Information ● To ensure full satisfaction with the product, please read the entire instruction manual. ● Keep instructions for future reference. ● Follow all operation guidelines and adhere to all safety warnings and cautions to ensure safe use.
JMS4 INSTALLATION Mounting the Radio Choose a mounting location on the dash board or instrument panel that will allow room behind to run radio cables to the power source. Consider how you will use the AUX IN, LINEOUT and USB connectors and route the appropriate extension cables to an accessible area.
JMS4 Wiring Diagram BLACK BLACK ANTENNA YELLOW AUX IN-RIGHT BLUE POWER AMP REMOTE YELLOW AUX IN-LEFT FUSE 15A GRAY LINE-OUT-RIGHT ACC +12V BLACK GROUND GRAY LINE-OUT-LEFT GREEN REAR LEFT SPEAKER(+) GREEN/BLACK GRAY REAR LEFT SPEAKER(-) FRONT RIGHT SPEAKER(+) GRAY/BLACK PURPLE...
JMS4 OPERATION Basic Functions Power Press the power button (1) to turn the unit on/off. Volume Press the button (14) to increase the volume. Press the button (15) to decrease the volume. Press and hold either button to change the volume level continuously.
JMS4 Radio Mode USA/Europe (EURO) Tuning Mode Selection To change from USA to European tuning mode, perform the following steps: Press and hold the button (9) for 3 seconds to access the system menu. Press the button (9) repeatedly to cycle through the menu options (DIM>DIM LEVEL>REGION>PRE VOL>RESET).
JMS4 USB Mode Insert/Remove USB Device You can connect a USB device directly to the USB interface at the rear of the radio for playback of compatible files. Press the button (6) to switch to USB mode from another source.
JMS4 Bluetooth Mode The JMS4 includes built-in Bluetooth technology that allows you to connect this unit to Bluetooth devices for streaming audio playback. About Bluetooth Technology Bluetooth is a short-range wireless radio connectivity technology developed as a cable replacement for various electronic devices.
Page 11
Before you begin, consult the owner's manual for the Bluetooth device you want to pair with the JMS4. Make sure the device you intend to pair with is on and ready to receive a signal from the JMS4. Press the button (5) to enter Bluetooth mode.
JMS4 TROUBLESHOOTING Problem Solution No power If the power supply is connected to the vehicle accessory circuits but the engine is not on , switch the ignition key to “ACC”. Fuse may be blown. Replace with 15 AMP ATO fuse.
JMS4 SPECIFICATIONS General Frequency band(s) ( for Bluetooth)........................2.4~2.4835GHz Maximum radio frequency power transmitted (for Bluetooth)..................10 dBm Power Supply Requirements.....................DC 12 Volts, Negative Ground Operating Voltage..............................10-16V DC Unit Dimensions..........................3.602" Diameter, 3.465"Deep Mounting Dimensions........................3.866" Wide, 4.465" Deep Weight.....................................1.3lb. FM Tuner Tuning Range..............................87.5 to 107.9 MHz Sensitivity..................................<5μV...
Need help?
Do you have a question about the JMS4 and is the answer not in the manual?
Questions and answers