Retro Manufacturing HC-226-55-75
RetroSound HC-226-55-75 Hermosa Direct-Fit Radio User Manual
Model: HC-226-55-75 | Brand: Retro Manufacturing
1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your RetroSound HC-226-55-75 Hermosa Direct-Fit Radio. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
2. Safety Information
Always observe the following safety precautions:
- Ensure the vehicle's battery is disconnected before beginning installation to prevent electrical shorts.
- Do not attempt to disassemble or modify the unit. This may cause damage and void the warranty.
- Avoid exposing the unit to excessive moisture or extreme temperatures.
- Consult a professional installer if you are unsure about any part of the installation process.
- Do not operate the radio in a manner that distracts you from driving.
3. Package Contents
Verify that all items are present in the package:
- RetroSound HC-226-55-75 Hermosa Direct-Fit Radio Unit
- Mounting Hardware (including 8.5" mounting strap)
- Knob Shafts
- InfiniMount Brackets
- Knob Set (55-75)
- Wiring Harness
- User Manual (this document)
4. Product Overview
4.1 Key Features
- Bluetooth wireless connectivity for hands-free phone operation and wireless audio streaming.
- Built-In 25 watts x 4 channel power amplifier plus RCA pre-outs.
- Dual color (white or green) display.
- USB port plus two auxiliary inputs.
- Authentic push-button styling.
4.2 Product Dimensions
Figure 4.2.1: Product Dimensions. The unit measures approximately 4 inches (100 mm) in width, 5.38 inches (137 mm) in depth, and 2 inches (51 mm) in height.
5. Setup and Installation
5.1 Mounting the Radio
The Hermosa radio is designed for direct-fit installation in classic vehicles. Use the provided InfiniMount brackets and knob shafts for flexible mounting options.
Figure 5.1.1: InfiniMount Brackets. These patented brackets allow for mounting the shafts at virtually any angle, providing flexibility for various dashboard configurations.
Figure 5.1.2: Knob Shafts. These shafts connect to the radio unit and allow for the attachment of the control knobs.
Figure 5.1.3: Knob Set 55-75. This image shows the chrome face and buttons, which provide an authentic classic vehicle aesthetic.
An 8.5-inch mounting strap is included for additional support. This strap attaches to the anchor point on the rear of the radio unit.
Figure 5.1.4: Mounting Strap Anchor Point. The rear of the radio features a dedicated anchor point for securing the included 8.5-inch mounting strap, ensuring stable installation.
5.2 Wiring Connections
Connect the wiring harness according to your vehicle's wiring diagram. Ensure all connections are secure to prevent intermittent operation or damage.
- Power: Connect the yellow wire to constant 12V, red wire to switched 12V (ignition), and black wire to ground.
- Speakers: Connect speaker wires to the corresponding vehicle speaker wires. Observe correct polarity.
- Antenna: Connect the vehicle's antenna cable to the radio's antenna input.
- Auxiliary Inputs: Use the rear USB port or 3.5mm auxiliary inputs for external audio devices.
- RCA Pre-outs: For external amplifiers, connect RCA cables to the radio's pre-out jacks.
6. Operating Instructions
6.1 Basic Operation
Figure 6.1.1: Front Panel Controls. The radio features a digital display, push-button controls, and rotary knobs for volume and tuning.
- Power On/Off: Press the left rotary knob to turn the unit on or off.
- Volume Control: Rotate the left knob to adjust the volume.
- Source Selection: Press the 'SRC' button to cycle through available audio sources (AM/FM, Bluetooth, USB, AUX).
- Tuning/Track Skip: Use the right rotary knob for radio tuning or track skipping in media modes.
- Display Color: The display color can be switched between white and green. Refer to the settings menu for adjustment.
6.2 Bluetooth Pairing
- Ensure Bluetooth is enabled on your mobile device.
- Select 'Bluetooth' as the source on the radio. The display will show 'PAIRING'.
- On your device, search for available Bluetooth devices and select 'RetroSound Hermosa'.
- Once connected, the display will show 'CONNECTED'. You can now stream audio or make hands-free calls.
A Bluetooth microphone is included for hands-free calls.
6.3 USB and Auxiliary Input
- USB: Connect a USB flash drive or compatible device to the rear USB port. The radio will automatically switch to USB mode and begin playback. The USB port also provides 2.1-amp device charging.
- AUX: Connect an external audio device using a 3.5mm audio cable to one of the auxiliary inputs. Select 'AUX' as the source.
6.4 Radio Operation
- Band Selection: Press the 'BAND' button to switch between AM and FM bands.
- Tuning: Rotate the right knob to manually tune to a station. Press the 'SEEK' buttons for automatic station seeking.
- Presets: Store your favorite stations by pressing and holding a preset button (1-6) after tuning to the desired station.
- RDS: The radio supports RDS (Radio Data System) for displaying station information where available.
7. Maintenance
To ensure the longevity and optimal performance of your RetroSound radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the unit's surface. Do not use abrasive cleaners or solvents.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
- Software Updates: Check the Retro Manufacturing website for any available firmware updates for your model.
8. Troubleshooting
If you encounter issues with your radio, refer to the following table for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Incorrect wiring; Blown fuse; Vehicle battery low. | Check power and ground connections. Inspect vehicle fuses. Charge or replace vehicle battery. |
| No Sound | Speaker wires disconnected; Volume too low; Mute function active. | Verify speaker connections. Increase volume. Deactivate mute. |
| Bluetooth Not Connecting | Device not in pairing mode; Radio not in Bluetooth source; Interference. | Ensure device Bluetooth is on and discoverable. Select Bluetooth source on radio. Move closer to radio. |
| Poor Radio Reception | Antenna not connected; Damaged antenna; Weak signal area. | Check antenna connection. Inspect antenna for damage. Try a different location. |
If the problem persists after attempting these solutions, please contact Retro Manufacturing customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Model | HC-226-55-75 |
| Brand | Retro Manufacturing |
| Connectivity Technology | Bluetooth |
| Controller Type | Push Button |
| Compatible Devices | Smartphone |
| Connector Type | RCA, USB, 3.5mm Jack |
| Audio Output Mode | Stereo, Surround |
| Surround Sound Channel Configuration | 4 Channel |
| Color | Chrome Face and Buttons, Black Bezel |
| Item Weight | 4 Pounds |
| Output Power | 25 Watts RMS x 4 channels (300 watts peak) |
| Product Dimensions | 4 x 5.38 x 2 inches (100 x 137 x 51 mm) |
10. Warranty and Support
For warranty information and technical support, please contact Retro Manufacturing directly. Details regarding product registration and warranty claims can typically be found on their official website or by contacting their customer service department.
Manufacturer: RetroSound
Brand: Retro Manufacturing
Seller: Retro Manufacturing, LLC
For the most up-to-date support information, visit the Retro Manufacturing Store on Amazon.
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