RGHR2: Setup, Inputs, Outputs & Controls

Introduction

The Rockville RGH-R2 Marine Gauge Hole Receiver is a compact, feature-rich receiver designed for easy installation on boats. This guide will walk you through the mounting process, wiring setup, input/output connections, and Bluetooth pairing so you can get the most out of your system.

What’s Included?

• RGH-R2 Marine Receiver
• Wired Remote with 33-Foot Extension Cable
• USB Extension Cord
• Wire Harness
• Mounting Hardware

Step 1: Mounting the Receiver

1. Use the mounting template included with your receiver to mark and cut the hole where you want to install the unit.
2. Before mounting, wire the receiver according to the instructions below.
3. Remove the front faceplate of the receiver.
4. Secure the receiver using the included screws.

Mounting the Wired Remote

1. Remove the washers and nuts from the back of the remote.
2. Attach the mounting bracket by aligning it with the two screws on the back of the remote.
3. Secure it by screwing the washers and nuts back on.
4. If needed, trim the bracket arms for a better fit.
5. Use the 33-foot extension cable to connect the remote to the wire remote input on the back of the receiver.

Step 2: Wiring the Receiver

Power Connections

• 12V Power Wire (Red): Connects to the 12V power source on your boat’s house battery.
• Ground Wire (Black): Connects to the ground terminal of the house battery.
• Accessory Wire (Yellow): Connects to the boat’s ignition so that the receiver powers on when the boat is started.
• Remote Output Wire (Blue): Sends a signal to an external amplifier, allowing it to power on automatically when the receiver does.

Note: Most boats have two batteries (engine and house) wired in series for 24V power. Ensure all connections for the receiver are made to the house battery.

Step 3: Audio Connections

Inputs

• RCA AUX Input: Connects external devices like MP3 players or CD players.
• USB Input: Supports USB flash drives for music playback.
• USB Extension Cable: Allows you to easily access the USB port without reaching behind the receiver.

Outputs

• RCA Preamp Outputs (Front & Rear):
  • Front Speakers: White and Gray RCA cables.
  • Rear Speakers: Green and Purple RCA cables.
  • If using a four-channel amplifier, connect the front and rear RCA outputs to different amplifier channels.
• Antenna Port: Enhances AM/FM radio reception.
• RCA Subwoofer Output: Connects to an external powered subwoofer or an amplifier powering a subwoofer.
• Speaker Wire Connections:
  • Front Left Speaker: White (+) / White with Black Stripe (-)
  • Front Right Speaker: Gray (+) / Gray with Black Stripe (-)
  • Rear Left Speaker: Green (+) / Green with Black Stripe (-)
  • Rear Right Speaker: Purple (+) / Purple with Black Stripe (-)

Step 4: Operating the Receiver

Front Panel Controls

• Power Button: Turns the receiver on/off and functions as a mute button.
• Band Button: Switches between AM/FM radio and can also display artist, track, and album info in USB mode.
• APS Button:
  • Scans through radio stations.
  • Repeats tracks in USB mode.
  • Press and hold to access the track menu.
• Playback Controls:
  • Play/Pause Button
  • Previous/Next Buttons: Skip tracks, rewind/fast-forward in USB mode, or search radio stations manually.
• Volume Buttons: Adjust the output volume.
• Mode Button: Switches between Bluetooth, Radio, USB, and AUX mode.

Audio Settings

To access settings, hold down the Mode button:

• Bass Menu: Adjusts bass frequencies.
• Treble Menu: Controls treble frequencies.
• Balance Menu: Adjusts the stereo image.
• Fader: Adjusts the mix between front and rear speakers.
• Loudness Setting: Enhances sound clarity at low volumes.
• Tuner Setting: Adjusts the radio tuner to your region.

Step 5: Pairing with Bluetooth

1. Set the receiver to Bluetooth Mode (it will display "BT Music").
2. When the display is flashing, the receiver is in pairing mode.
3. On your smartphone or tablet, open Bluetooth settings.
4. Find RGH-R2 in the list of available devices and tap to pair.
5. Once the receiver displays "Connected", the pairing is complete.

Step 6: Testing Your Setup

After setup, test your system to ensure: The receiver powers on correctly. All speakers produce sound. Bluetooth connection is working.AM/FM radio reception is clear.

During a sound test, the RGH-R2 delivers crisp highs and deep bass, making it perfect for marine and outdoor audio setups.

Conclusion

Setting up the Rockville RGH-R2 Marine Gauge Hole Receiver is simple and allows you to enjoy high-quality sound on your boat. Whether you're using it for Bluetooth streaming, AM/FM radio, or AUX playback, this receiver is built to handle marine environments while delivering great performance.