◄ Table of Contents General Features Model: Motor 4HD • AM/FM tuner with 30 presets and RDS (Radio Data System) • HD Radio® receiver (HD Radio® broadcasts are not available in all regions) • Selectable international tuner frequencies • Built-in MOSFET amplifier: 25 watts RMS / 45 watts Max x4 channels •...
Page 4
◄ Table of Contents PRECAUTIONS PLEASE OBSERVE THESE PRECAUTIONS WHEN OPERATING THIS UNIT: This user’s manual does not cover the installation process. Please review the Installation and Assembly Manual included in your Radio Motor box carefully before attempting installation. Retro Manufacturing, LLC is not liable for any problems resulting from improper installation of the unit.
Page 5
SHOP SPEAKERS Amps & Subs RetroSound® amplifiers and subwoofers are designed to work seamless- ly with RetroSound® radios to fill in the low frequencies usually missing from a classic vehicle’s sound system. SHOP AMPS & SUBS Speaker Pods RetroPod®...
Page 6
2 Left-Rear Knob Right-Rear Knob 4 IMPORTANT: Control Setup & Reset By default, RetroSound® Radio Motors are configured to function with the standard Radio Faces listed above. Some Radio Faces, like the Redondo- RT, require a different control mode. If you have mistakenly changed your Radio Motor to use a Radio Face that you do not have, follow the steps below to reboot and change control modes.
Page 7
Radio Operation Instructions Power On/Off Press the Left-Front Knob(1) to turn the unit on. RETROSOUND will appear on the screen. Press and hold the Left-Front Knob(1) to turn the unit off. GOODBYE will appear on the screen to confirm that it has turned off.
Press the Right-Front Knob(3) to mute/unmute or pause/play depending on the source mode. System Settings The System Settings sub-menu enables access to the numerous additional features of your RetroSound radio. Press and hold the Right-Front Knob(3) ® for three seconds to access the sub-menu. Then rotate the Right-Front Knob(3) to cycle through the available sub-menu options.
Page 9
◄ Table of Contents System Settings select the desired option. Once the desired setting is shown, let the unit time out to set. Clock This sub-menu sets the clock. To access the CLK sub-menu, press and hold the Right-Front Knob(3) for three seconds.
Page 10
◄ Table of Contents System Settings Beep On/Off This sub-menu sets the audible beep confirmation that sounds during the operation of the radio on or off. Select BEEP ON to hear the audible beep or BEEP OFF to disable it. To access the BEEP sub-menu, press and hold the Right-Front Knob(3) for three seconds.
Page 11
◄ Table of Contents System Settings broadcasting RDS information, the radio station call letters, song info, art- ist info, and other messages will appear on the display. Not all FM stations use RDS, nor will all RDS functions work in every location. To access the RDS sub-menu, press and hold the Right-Front Knob(3) for three seconds.
Page 12
Right-Front Knob(3) for three seconds. Rotate the Right-Front Knob(3) until BT CONNEC/DISCON appears on the screen. To connect a device, press and release the Right-Front Knob(3) to select BT CONNEC, then search for “RETROSOUND” in your phone’s Bluetooth device list. Enter ®...
Page 13
PANEL mode. Turn the ignition off and wait 30 seconds. Turn the ignition on; once the radio boots up and RETROSOUND scrolls across the screen, press and hold the radio’s power button for approximately 15 seconds to reboot the radio into SEL PANEL mode. See the list below for the appropriate power button for your radio type.
Page 14
◄ Table of Contents System Settings Radio Power Buttons: • Standard Knobs (shafts): Press and hold the left front knob. • Thumb Rollers: Press and hold left-inside thumb roller. • Grand Prix: Press and hold the ON/Off button. Software Info This sub-menu displays the unit’s software version.
Page 15
◄ Table of Contents System Settings To access the MID sub-menu, press and release the Left-Front Knob(1) until MID appears on the screen. Rotate the Left-Front Knob(1) clockwise or counter-clockwise to select the desired level. Once the desired setting is shown, let the unit time out to set. Treble This sub-menu adjusts the radio’s treble levels.
Page 16
◄ Table of Contents System Settings Subwoofer Volume This sub-menu adjusts the subwoofer volume between 0-12 and will only appear as an option when SUB ON is selected in the Subwoofer menu. To access the SUB VOL sub-menu, press and release the Left-Front Knob(1) until SUB VOL appears on the screen.
◄ Table of Contents USB Device Instructions USB Inputs USB inputs are located at the rear of the Radio Motor. The USB cables must be routed during installation to a convenient and accessible location for connecting USB devices. NOTE: The USB Mode will not appear in the menu unless a USB de- vice is plugged in.
Page 18
◄ Table of Contents Bluetooth® Device Instructions Bluetooth ® When using a Bluetooth device for the first time, you must enable Blue- ® tooth and pair the device with the unit (see page 11). Be sure your phone ® is conncected for both calls and audio and that your microphone is en- abled.
Page 19
◄ Table of Contents HD Radio® Instructions HD On/Off This sub-menu activates HD Radio® technology which will automatically tune to an HD Radio station when available. The HD Radio option is set to "On" by default. To access the HD sub-menu, press and hold the Right-Front Knob(3) for three seconds.
◄ Table of Contents SiriusXM® Instructions SiriusXM Satellite Radio ® A SiriusXM Connect Vehicle Tuner, antenna, and ® SiriusXM subscription are required to use the satellite radio functionality. ® SiriusXM and all related marks and logos are trademarks of Sirius XM Radio, Inc.
Page 21
◄ Table of Contents SiriusXM® Instructions SiriusXM Tuning ® Rotate the Right-Front Knob(3) to change channels up or down. SiriusXM Preset Bands ® You can store five SiriusXM channels in three bands for a total of 15 ® presets. To cycle between the SiriusXM bands, rotate the Right-Rear ®...
Page 22
◄ Table of Contents SiriusXM® Instructions Display Settings Each SiriusXM channel will broadcast text information such as the chan- ® nel name, artist, song title, and content. To cycle through the display information, rotate the Left-Rear Knob(2) counter-clockwise. Each time the knob is rotated, the display will change as follows: Channel>Artist>Ti- tle>Info>Category>Time>Station.
Page 23
◄ Table of Contents SiriusXM® Instructions once. Rotate the Right-Front Knob(3) clockwise until you see DIRECT on the screen. Press the Right-Front Knob(3) to enter the first channel num- ber. Rotate the Right-Front Knob(3) to set the value of the first number, then press the Right-Front Knob(3) to accept and move to the next num- ber.
◄ Table of Contents SiriusXM® Troubleshooting CHK TNR (check tuner) This message indicates an issue with your SiriusXM Connect Vehicle ® Tuner. • Check that your tuner is securely plugged into the back of the Radio Motor. • Check the wires between your unit and the SiriusXM tuner for ®...
Page 25
◄ Table of Contents SiriusXM® Troubleshooting CH UNAVL (channel unavailable) This message indicates that the current channel is unavailable. This error can happen for several reasons: • The channel may no longer be available on SiriusXM ® • The channel may not be available with your current SiriusXM ®...
◄ Table of Contents Troubleshooting Problem Possible Cause Action to Solve Problem Constant +12V Check all connections for (yellow) wire not proper voltage with a volt connected or incor- meter. Voltage range: 12- rect voltage 15 volts +12V ignition/ac- Check +12V Radio will cessory (red) wire accessory (red) wire...
No, you cannot. Your factory antenna is known as “semi-automatic.” It requires a switch to either extend or retract the antenna. You must retain this switch to control your antenna; the RetroSound radio’s power an- ® tenna wire is for more modern “fully-automatic” antennas not requiring a separate switch.
Page 28
Frequently Asked Questions Will cutting or bending the InfiniMount Brackets void the warranty or harm the unit? No. The RetroSound patented InfiniMount Bracket system has been de- ® signed specifically to be bent, cut and modified to simplify radio instal- lation.
ITEM ITEM WARRANTY WARRANTY Motor 4HD Two (2) Years During the "Parts" warranty period, there will be no charge for parts. You must mail in your unit during the warranty period at your expense. This warranty only applies to products purchased directly from Retro Manufacturing or an authorized dealer.
Page 31
◄ Table of Contents Purchase Notes Record the place and date of purchase for future reference. Model No. Serial No. Purchase Date Purchased From Keep this information and your sales receipt in a safe place. tech@retromanufacturing.com...
Need help?
Do you have a question about the MOTOR 4HD and is the answer not in the manual?
Questions and answers