RGHR51: How To Set Up & Install

Introduction

The Rockville RGHR-51 Marine Receiver is a five-zone, single-DIN receiver designed for boats and marine vessels. It allows you to control multiple speaker zones, connect external amplifiers, and even integrate video and backup cameras. This guide will take you through mounting, wiring, and setting up your receiver for optimal performance.

What’s Included

• RGHR-51 Marine Receiver
• Wired Remote Control
• 33-foot Extension Cable (for remote)
• Mounting Bracket for Remote
• Four Screws for Mounting
• Mounting Template
• USB Extension Cable
• Wire Harness
• (Optional) External Amplifier & Speakers (not included but can be connected)

Step 1: Mounting the Receiver & Remote

A. Using the Mounting Template

1. Align the template to your preferred mounting location.
2. Mark the cutaways needed for the receiver and remote.
3. Cut the necessary openings.

Tip: If access behind the receiver will be limited after mounting, consider wiring everything before securing the receiver in place.

B. Mounting the Receiver

1. Remove the side panels of the receiver to access the four screw holes.
2. Secure the receiver using the four included screws.

C. Mounting the Remote

1. Remove the washers and nuts from the remote.
2. Insert the remote into the cutaway made using the mounting template.
3. Attach the mounting bracket over the remote.
4. Reattach the washers and nuts.
5. If needed, trim the mounting bracket arms along the guide lines.

D. Connecting the Remote to the Receiver

1. Plug the 3.5mm end of the remote into the extension cable.
2. Plug the other end of the extension cable into the Remote Input on the receiver.
3. The remote can now be placed up to 33 feet away for convenience.

Step 2: Powering the Receiver

The receiver must be connected to your boat’s electrical system.

Important:

• Most boats have two 12V batteries in series (24V system).
• The house battery (not the engine battery) should power the receiver.

Step 3: Connecting Speakers (Zones 1 & 2)

Zones 1 and 2 use high-output speaker wires from the wire harness.

Zone 1 Wiring

• White Wire = Left Channel
  • Plain Wire = Positive (+)
  • Black Stripe Wire = Negative (-)
• Gray Wire = Right Channel
  • Plain Wire = Positive (+)
  • Black Stripe Wire = Negative (-)

Zone 2 Wiring

• Green Wire = Left Channel
  • Plain Wire = Positive (+)
  • Black Stripe Wire = Negative (-)
• Purple Wire = Right Channel
  • Plain Wire = Positive (+)
  • Black Stripe Wire = Negative (-)

How to Connect Speakers

1. Use speaker wire to connect the positive and negative leads of each zone.
2. Attach the other end of the wire to the corresponding speaker terminals.

Step 4: Connecting Amplifiers for Zones 3 & 4

Zones 3 and 4 use RCA outputs, allowing you to expand your system with external amplifiers.

How to Connect an Amplifier

1. Take RCA cables and plug one end into Zone 3 or Zone 4 RCA outputs on the receiver.
2. Plug the other end into the RCA inputs of your amplifier.
3. Connect speakers to the amplifier’s speaker terminals.

Step 5: Connecting a Subwoofer (Zone 5)

Zone 5 is a dedicated mono subwoofer output.

How to Connect a Subwoofer

• Use an RCA Y-cable for the best connection:
  1. Plug the single RCA end into the Zone 5 output.
  2. Plug the dual RCA ends into the RCA inputs of the subwoofer amplifier or active subwoofer.

Step 6: Additional Inputs & Outputs

AUX Input (RCA)

• Connect an MP3 player, phone, or external device via RCA or RCA-to-aux cable.

USB Input

• Plug in a USB drive to play music, videos, or view images.
• The USB extension cable allows easier access.

AM/FM Antenna

• Connect an antenna for improved radio reception.

Backup Camera Input

• Connect a backup camera to display video feed when reversing.
• The brown trigger wire automatically switches to the camera view.

Video Input

• Connect a DVD player or video source.
• Video will display on the receiver when set to AUX mode.

Video Output

• Sends video signals to additional screens on your boat.

Step 7: Using the Receiver Controls

Front Panel Buttons

• Power Button: Turns the unit on/off.
• Volume Knob: Controls overall volume.
• Zone Button: Adjusts volume for each zone.
• Mode Button: Switches between Bluetooth, USB, Radio, AUX, and AV Mode.
• Playback Buttons: Controls play/pause, track selection, and fast-forward/rewind.
• APS Button: Auto-programs AM/FM radio stations.
• EQ & Tuning Button: Adjusts EQ settings and manual radio tuning.

Using the Remote

• The remote mirrors all receiver functions.
• It features dedicated zone buttons for independent volume control.

Step 8: Connecting via Bluetooth

1. Press the Mode button to switch to Bluetooth Mode.
2. On your smartphone, open Bluetooth settings.
3. Select RGHR-51 from the device list and pair.
4. Play music and control it from the receiver or remote.

Step 9: Controlling Individual Zones

1. Press the Zone button on the receiver or remote.
2. Select the desired zone.
3. Adjust volume using the knob.
4. After a few seconds, volume control will return to global mode.

Conclusion

The Rockville RGHR-51 Marine Receiver provides five independent audio zones, multiple connectivity options, and easy control through the front panel or remote. By following this guide, you can mount, wire, and optimize your marine audio system for the best experience.