Jensen JHD1120 User's Manual
Contents
1. HEAVY DUTY JHD1120 AM FM WB AUX IN Heavy Duty Radio Installation and Operation Manual JHD1120 HEAVY DUTY CONTENTS 1 Safety 2 2 3 WANING D 4 Basic 5 Uer CT 8 2 EES 10 10 E Ee EE 11 JHD1120 HEAVY DUTY INTRODUCTION System Features Features of the Jensen JHD1120 mobile audio2. point pen or thin metal object to press the RESET button 20 This may be necessary should the unit display an error code Audio Menu Press the AUDIO button 3 to access the audio menu You can navigate through the audio menu items by pressing the AUDIO button repeatedly Once the desired menu item appears on the display adjust that option by turning the rotary encoder 1 within 5 seconds The unit will automatically exit the audio menu after five seconds of inactivity The following menu items can be adjusted Bass Level Use the rotary encoder 1 to adjust the Bass level range from 7 to 7 Treble Level Use the rotary encoder 1 to adjust the Treble level range from 7 to 7 Balance Adjusting Balance controls the relative level between the left and right speakers in each pair Use the rotary encoder 1 to adjust the Balance between the left and right speakers from L 12 to R12 Fader Adjusting Fade controls the relative level between the front and rear speaker pairs Use the rotary encoder 1 to adjust the Fader between the rear and front speakers from R12 to F12 HEAVY DUTY JHD1120 System Menu 1 Press and hold the PTY MENU button 2 for more than 2 seconds to enter the system menu The first menu item will appear on the display 2 Press the TUNE SEEK lt lt gt gt 18 19 button repeatedly to navigate the system menu 3 Press the I
3. system include 10 Character Segmented LCD AM FM US EURO Tuner with 30 Presets 12 AM 18 RBDS Radio Broadcast Data Service with PTY Search Weatherband Tuner Mute Pre set Equalizer 5 settings Flat Rock Pop Classical User Electronic Bass Treble Balance and Fader Controls Output Power 40W x 4 Clock 12 24 Hour Selectable IR Wireless Remote Control Ready sold separately 2 Wire Power with Non Volatile Memory and Clock Time Support e Auxiliary Audio Input Front 3 5mm Stereo Jack Content List Jensen Heavy Duty Radio Hardware 15AMP Fuse Installation Manual Quick reference Guide HARDWARE KIT CONTENTS FLANGE NUTS MOUNTING STRAP DIN SLEEVE REMOVAL TOOL MOUNTING BUSHING MOUNTING SCREW HEAVY DUTY JHD1120 SAFETY INFORMATION When Driving Keep the volume level low enough to be aware of the road and traffic conditions When Washing Your Vehicle Do not expose the product to water or excessive moisture Moisture can cause electrical shorts fire or other damage When Parked Parking in direct sunlight can produce very high temperatures inside your vehicle Give the interior a chance to cool down before starting playback Use the Proper Power Supply This product is designed to operate with a 12 volt DC negative ground battery system WARNING e REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOS
4. the seven channels until you find the weatherband station broadcasting in your area How many stations can I expect to receive Since the broadcasts are local weather and information the transmission power is usually very low much less than standard AM or FM stations so you will usually receive only one station unless you are on the edge of two or more broadcast signals The most you will receive will be two or three and that is rare 15 it possible won t receive any stations Depending on where you are located there is a possibility you will receive only a very weak signal or none at all Also similar to AM and FM signals weatherband signals are subject to surrounding conditions weather obstructions of the signal by hills or mountains etc HEAVY DUTY JHD1120 HEAVY DUTY CARE AND MAINTENANCE Keep the product dry If it does get wet wipe it dry immediately Liquids might contain minerals that can corrode the electronic circuits Keep the product away from dust and dirt which can cause premature wear of parts Handle product gently and carefully Dropping it can damage circuit boards and cases and can cause the product to work improperly Wipe the product with a dampened cloth occasionally to keep it looking new Do not use harsh chemicals cleaning solvents or strong detergents to clean the product Use and store the product only in normal temperature environments High temperature can shorten the life
5. D1120 TUNER OPERATION AUDIO TUNE H SEEK ue PTY INFO mal ees 1000 1 PUSH POWER SIE HODE Select Press the BAND WB button 15 to change between three FM bands and two AM bands Press and hold the BAND WB button to access the Weatherband WB Manual Tuning Press the TUNE SEEK gt gt or lt lt buttons 19 18 to seek stations up down step by step Auto Seek Tuning Press and hold the TUNE SEEK gt gt or lt lt buttons 19 18 to automatically seek the next or previous strong station NOTE Seek tuning is not available for weather band channels Use the up or down tuning buttons to manually select any of the seven available weather band channels Preset Stations Six numbered preset buttons store and recall stations for each band Store a Station Select a band if needed then select a station Press and hold a preset button 5 10 for two seconds The preset number will appear on the LCD Recall a Station Select a band if needed Press a preset button 5 10 to select the corresponding stored station NOTE Preset buttons are pre assigned frequencies in weather band mode Automatically Store Preset Scan AS PS Automatically Store Select an AM or FM band Press and hold the AS PS button 14 for more than 2 seconds to automatically select 18 strong stations 12 for AM FM STORE or AM STORE appears on the screen and the new stations rep
6. E THIS EQUIPMENT TO RAIN OR MOISTURE TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK AND ANNOYING INTERFERENCE USE ONLY THE RECOMMENDED ACCESSORIES JHD1120 HEAVY DUTY INSTALLATION This unit is designed for installation in vehicle cabs with an existing 1 DIN radio opening In many cases a special installation kit will be required to mount the radio to the dashboard See the dealer where the radio was purchased for kit availability Always check the kit application before purchasing to make sure the kit works with your vehicle Before You Begin 1 2 Disconnect Battery Before you begin always disconnect the battery negative terminal Remove Transport Screws Important Notes Before final installation test the wiring connections to make sure the unit is connected properly and the system works Use only the parts included with the unit to ensure proper installation The use of unauthorized parts can cause malfunctions Consult with your nearest dealer if installation requires the drilling of holes or other modifications to your vehicle Install the unit where it does not interfere with driving and cannot injure passengers during a sudden or emergency stop If the installation angle exceeds 30 from horizontal the unit might not give optimum performance Avoid installing the unit where it will be subject to high temperatures from direct sunlight hot air or from a heater or subject to excessive dust dirt or vibratio
7. NFO ENTER button 16 to select the desired item 4 Press the INFO ENTER button again to adjust the selected menu item The following items can be adjusted Clk click beep Turn the audible beep On Off heard when functions buttons are selected LCDLITE 1 10 Adjust LCD brightness TUNING USA EURO Set frequency spacing for various regions P CLOCK 1 10 Off CLK FMT 12Hour 24Hour Select 12 or 24 hour display mode CLK Set clock Press the INFO ENTER button 16 to view the clock set screen Press the INFO ENTER button to move to the next digit Press the TUNE SEEK lt lt gt gt 18 19 buttons to adjust the selected digit PREONLY Off preset only tuning on off AL DM Off On When radio will alert when vehicle battery voltage is below 10 8 VDC BAT OFF When ON radio will automatically turn off when vehicle battery voltage is below 10 8 VDC RESET lt gt Press the INFO ENTER button 16 to return the EEPROM to factory default set up values Equalizer Press the EQ LOUD button 11 to choose one of the following pre defined bass and treble curves USER gt FLAT gt ROCK gt CLAS SICAL gt POP Loudness Press and hold the EQ LOUD button 11 to toggle loudness on off When listening to music at low volumes this feature will boost the bass and treble ranges to com
8. al mounting of the chassis Carefully slide the radio into the mounting sleeve making sure it is right side up until it is fully seated and the spring clips lock it into place Attach one end of the perforated support strap supplied to the screw Dashboard stud on the rear of the Support Strap chassis using the hex nut provided Fasten the Plain Washer e other end of the Screw 5 x 25mm perforated strap to a Rubber Bushing Ca 4 0 Screw Stud secure part of the dashboard either above Sa or below the radio using the screw and plain washer provided Bend the strap as necessary to position it Some vehicle installations provide cavity for rear support In these applications place the rubber bushing over the screw stud and insert the radio CAUTION The perforated rear support strap or rear rubber mounting bushing must be used in the installation of the radio Installation without either may result in damage to the radio or the mounting surface and void the manufacturer s warranty Test radio operation by referring to the operating instructions for the unit Hex Nut 6mm Removing the Unit To remove the radio after installation remove the plastic end caps insert the removal keys straight back until they click and then pull the radio out If removal keys are inserted at an angle they will not lock properly to release the Sleeve unit 0 Reconnect Battery When wiring is complete rec
9. e ignition key to ACC or Run The fuse is blown Replace the fuse No sound Volume is too low or system is muted Adjust volume to audible level Wiring is not properly con nected Check wiring connections The operation keys do not work The built in microcomputer is not operating properly due to noise Press the RESET button Cannot tune to radio sta tion auto seek does not work The antenna cable is not connected Check antenna cable The signals are too weak Select a station manually JHD1120 SPECIFICATIONS FM Radio Frequency Coverage 87 5 to 107 9 MHz Frequency Coverage 87 5 to 108 MHz S hsitivity S N 30dB gg dees owt era ER EAR d e 2 2 mage Rejection cits gt eee Tee EE SG EE gt 45 dB Stereo Separation he eae eee ede eee edb eee ara ened gt 25 dB Frequency Range 530 1710 kHz Frequency Range 522 1620 kHz Sensitivity S N 200B ccc cette 36 dB General Operating Voltage 6 cette DC 12 Volts Grounding SYSt6M eee eG Negative Ground Speaker Impedance 4 8 ohms per channel Tone Controls Bas
10. gram type JHD1120 Weather Band Operation What is the NOAA Weather Radio Weatheradio Canada NOAA National Oceanic and Atmospheric Administration is a nationwide system that broadcasts local weather emergency information 24 hours a day via the National Weather Service NWS network The U S network has more than 530 stations covering the 50 states as well as the adjacent costal waters Puerto Rico the U S Virgin Islands and the U S Pacific Territories Each local area has its own transmitting station and there are a total of seven broadcasting frequencies used A similar system is available in Canada under the Weatheradio Canada service administered by Environment Canada Tuning to Weatherband Press and hold the BAND WB button 15 to access the Weatherband The indication WB will appear on the display panel along with the current number and channel indication WB 1 WB 2 WB 3 WB 4 WB 5 WB 6 or WB 7 The seven frequencies are shown in the following table Table 1 WB Frequencies Frequency MHz Preset 162 400 2 162 425 4 162 450 5 162 475 3 162 500 6 162 525 162 550 1 The above table also shows which preset button will access the frequency Note that one frequency cannot be accessed using a preset button The frequency can only be reached using the tuning controls Use the TUNE SEEK gt gt or lt lt buttons 19 18 or the preset buttons to tune to each of
11. lace any stations already stored Preset Scan Select a band Press AS PS 14 to scan stations stored in the current band The unit will pause for 5 seconds at each preset station Press AS PS again to stop scanning when the desired station is reached RBDS Operation This unit is equipped to display RBDS Radio Broadcast Data Service information when broadcast by the radio station NOTE Radio stations broadcasting RBDS may not be available in your listening area In FM radio mode press the PTY MENU button 2 to list the following Program Type PTY options ANY News Information Sports Talk Rock Classic Rock Adult Hits Soft Rock Top 40 Country Oldies Soft Nostalgia Jazz Classical Rhythm and Blues Soft Rhythm amp Blues Foreign Language Religious Music Religious Talk Personality Public College Weather Emergency Test ALARM ALARM To search for stations in a PTY category 1 Press the PTY MENU button 2 to view the current PTY category 2 Press the TUNE SEEK gt gt or lt lt buttons 19 18 to move through the list of available categories and select the program type you wish to search 3 After selecting the desired PTY press the PTY MENU button 2 to search the band for broadcasts of this type PTY Search is displayed while the tuner is searching NOTE Performing a PTY search on ANY will Seek Tune and stop on any station broadcasting RBDS regardless of the pro
12. n DIN Front Mount 1 Slide the mounting sleeve off of the chas sis if it has not already been removed If it is locked into position use the removal keys supplied to disengage it The removal keys are depicted in Removing the Unit on page 3 Check the dashboard opening size by lt sliding the mounting sleeve into it If the n opening is not large enough carefully cut or file as necessary until the sleeve easily slides into the opening Do not force the sleeve into the opening or cause it to bend or bow Check that there will be sufficient space behind the dashboard for the radio chassis Locate the series of bend tabs along the top bottom and sides of the mounting sleeve With the sleeve fully inserted into the dashboard opening bend as many of the tabs outward as necessary to firmly secure the sleeve to the dashboard Place the radio in front of the dashboard opening so the wiring can be brought through the mounting sleeve Follow the wiring diagram carefully and make certain all connections are secure and insulated with crimp connectors or electrical tape to ensure proper operation After completing the wiring connections turn the unit on to confirm operation vehicle accessory switch must be on If the unit does not operate recheck all wiring until the Bend Tabs Screw Stud gt 9 problem is corrected Once proper operation is achieved turn the accessory switch off and proceed with fin
13. of electronic devices damage batteries and distort or melt plastic parts Ignition The most common source of noise in reception is the ignition system This is a result of the radio being placed close to the ignition system engine This type of noise can be easily detected because it will vary in intensity of pitch with the speed of the engine Usually the ignition noise can be suppressed considerably by using a radio suppression type high voltage ignition wire and suppressor resistor in the ignition system Most vehicles employ this wire and resistor but it may be necessary to check them for correct operation Another method of suppression is the use of additional noise suppressors These can be obtained from most professional mobile electronics retailers Interference Radio reception in a moving environment is very different from reception in a stationary environment home It is very important to understand the difference AM reception will deteriorate when passing under a bridge or when passing under high voltage lines Although AM is subject to environmental noise it has the ability to received at great distance This is because broadcasting signals follow the curvature of the earth and are reflected back by the upper atmosphere 10 TROUBLESHOOTING Symptom Cause Solution No power The vehicle s accessory If the power supply is properly switch is not on connected to the vehicle s acces sory terminal switch th
14. onnect acer the battery negative terminal naval Key 2 JHD1120 HEAVY DUTY WIRING FEMALE MOTOROLA TYPE ANTENNA CONNECTOR DETAIL A WARNING Do not connect the 12VDC ACC switched wire to the battery This wire MUST be connected to the Accessory Ignition wire or a 12 volts switched power source JHD1120 HEAVY DUTY BASIC OPERATION AUDIO AM II II Fm2 ST JHD1120 MUTE 1 Power On Off Press the rotary encoder POWER button 1 to turn the unit on or off The unit will resume at the last mode selected Tuner Auxiliary etc POWER PUSH ON OFF e C Se Volume Control To increase the volume turn the rotary encoder 1 to the right To decrease the volume turn the rotary encoder to the left LUPE The maximum volume setting is 40 Mute Press the MUTE button 17 to mute the audio output Press MUTE again to restore the audio output to the previous level Mode Press the MODE button 4 to select a different mode of operation as indicated on the display panel Available modes include the following Tuner AM FM gt Auxiliary Tuner is the default source when a prior source is no longer available Reset The reset button should be activated for the following reasons initial installation of the unit when all wiring is completed function buttons do not operate error symbol the display Use a ball
15. pensate for the characteristics of human hearing Auxiliary access an auxiliary device 1 Connect the portable audio player to the AUX IN on the front panel 17 2 Press the MODE button 4 to select Auxiliary mode 3 Press MODE again to cancel Auxiliary mode and go to the next mode Liquid Crystal Display LCD The current frequency and activated functions are shown on the LCD panel 21 NOTE LCD panels may take longer to respond when subjected to cold temperatures for an extended period of time In addition the visibility of the characters on the LCD may decrease slightly The LCD display will return to normal when the temperature increases to a normal range JHD1120 Setting the Clock To set the clock to display the current time turn the vehicle ignition on and turn the radio on Enter the system menu and adjust the clock by selecting the CLK menu item Press the INFO ENTER button 16 to view the clock set screen Press the TUNE SEEK lt lt gt gt 18 19 buttons to adjust the selected digit Press the INFO ENTER button to move to the next digit Press the TUNE SEEK lt lt gt gt 18 19 buttons to adjust the selected digit When no adjustment is made for five seconds the time will become set and normal operation will resume Display Modes Press the T F button 12 to switch between LCD clock display and source display HEAVY DUTY HEAVY DUTY JH
16. s 100 HZ pradine ge dE EEN be SEIT Treble 10 2 e 110 Power OQuIpUt i ster dee e E Zeeche aot ane tid 40W x4 Idle Standby Currents eu AEN ENEE rey EE 75mA C rrent Drail ue tiat EEN dv eve dhe ees 15 Ampere max DIMENSIONS ata EE ES 175 W x 175 D x 50 11 HEAVY DUTY electronics THE MOBILE ELECTRONICS COMPANY SINCE 1977 ASA Electronics Corporation www asaelectronics com www jensenheavyduty com 2010 ASA Electronics Corporation v 121509
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