Introduction
This manual provides detailed instructions for the ALLIMITY RC042SR Replacement Remote Control, designed for use with Marantz 4K UHD Ultra HD AV Receivers. This remote is a direct replacement and requires no programming or setup.
Compatible Models: SR6015, NR1711, SR5015 DAB, SR5015OM.
Product Overview

Figure 1: Front view of the RC042SR remote control, displaying the layout of all function buttons.

Figure 2: Rear view of the RC042SR remote control, illustrating the battery compartment with the cover removed.
The RC042SR remote control features a comprehensive button layout for controlling various functions of your Marantz AV Receiver. Key sections include:
- Power and Zone Select: Buttons for turning the receiver on/off and selecting audio zones.
- Input Selection: Dedicated buttons for various inputs like CBL/SAT, DVD, Blu-ray, Game, AUX, TV Audio, USB, CD, Tuner, 8K, Media Player, Bluetooth, Phono, Internet Radio.
- Navigation and Control: Directional pad, ENTER, BACK, INFO, OPTION, SETUP buttons.
- Audio Control: MUTE, VOLUME up/down.
- Playback Controls: Play/Pause, Skip Forward/Backward.
- Smart Select: Four customizable buttons (Movie, Music, Game, Pure).
- ECO Mode: Button for energy-saving mode.
Setup
Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide the battery cover downwards to open it.
- Insert two (2) AAA alkaline batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery cover back into place until it clicks securely.
Note: This remote control is designed as a direct replacement and does not require any programming or pairing. Once batteries are installed, it is ready for immediate use with compatible Marantz AV Receivers.

Figure 3: The RC042SR remote control requires no setup or programming.
Operating Instructions
The RC042SR remote control provides full functionality for your Marantz AV Receiver. Below are common operations:
- Power On/Off: Press the POWER button (red) to turn the receiver on or off.
- Input Selection: Press the corresponding input button (e.g., CBL/SAT, DVD, Blu-ray, HDMI 1-7 if applicable) to switch between connected devices.
- Volume Control: Use the VOLUME ▲ (up) and ▼ (down) buttons to adjust the audio level.
- Mute: Press the MUTE button to temporarily silence the audio. Press again to unmute.
- Navigation: Use the directional arrow buttons (▲ ▼ ◀ ►) to navigate menus. Press ENTER to confirm selections.
- Back: Press the BACK button to return to the previous menu or screen.
- Setup: Press the SETUP button to access the receiver's main setup menu.
- Smart Select: Use buttons 1, 2, 3, 4 to quickly switch to pre-configured sound modes or settings (Movie, Music, Game, Pure).
Maintenance
- Cleaning: Wipe the remote control with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the remote's response becomes sluggish or stops working. Always replace with new AAA alkaline batteries. Do not mix old and new batteries, or different types of batteries.
- Storage: If the remote will not be used for an extended period, remove the batteries to prevent leakage and potential damage. Store in a cool, dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding | Dead or incorrectly inserted batteries. Obstruction between remote and receiver. Remote out of range. | Replace batteries with new ones, ensuring correct polarity. Remove any objects blocking the signal path. Move closer to the receiver. |
| Certain buttons not working | Button stuck or damaged. | Gently press the button multiple times. If still unresponsive, the remote may be damaged and require replacement. |
| Receiver not responding to specific functions | Incorrect input selected on receiver. Receiver settings. | Ensure the correct input source is selected on the receiver. Consult your Marantz receiver's manual for specific function settings. |
Specifications
- Model: CV-RC042SR-SH
- Brand: ALLIMITY
- Compatible Devices: Marantz 4K UHD Ultra HD AV Receivers (SR6015, NR1711, SR5015 DAB, SR5015OM)
- Connectivity Technology: Infrared (IR)
- Power Source: 2 x AAA Alkaline Batteries (not included)
- Product Dimensions: 6.5 x 1.38 x 0.72 inches (16.5 x 3.5 x 1.8 cm)
- Item Weight: 1.5 ounces (42.5 grams)
- Special Feature: No Programming Required
Warranty and Support
This replacement remote control is designed for reliable performance. For any issues or inquiries, please contact the seller or manufacturer directly through your purchase platform.
Please refer to your original product's documentation for specific warranty information regarding the Marantz AV Receiver itself.





