Introduction
This manual provides instructions for the WTTHAI RC014CR replacement remote control, designed for seamless compatibility with the Marantz Network CD Receiver M-CR612. This remote offers full access to all essential functions of your Marantz receiver, ensuring a convenient and reliable user experience.
Setup
The WTTHAI RC014CR remote control is designed for immediate use without complex programming. Simply install the batteries, and it will be ready to operate your Marantz M-CR612 receiver.
Battery Installation
- Locate the battery compartment on the back of the remote control.
- Slide open the battery compartment cover.
- Insert two (2) 1.5V AAA alkaline batteries, ensuring the correct polarity (+ and -) as indicated inside the compartment.
- Close the battery compartment cover securely.
Note: Batteries are not included with the remote control. Always use new alkaline batteries for optimal performance.

Figure 1: Front view of the WTTHAI RC014CR remote control. This image shows the layout of all buttons, including power, input selection, volume, navigation, and numeric keys.
Operating Instructions
The RC014CR remote control provides comprehensive control over your Marantz M-CR612 Network CD Receiver. Point the remote control directly at the receiver's infrared sensor for best results.
Key Functions Overview
- POWER (Red Button): Turns the receiver on or off.
- INPUT SELECTORS (e.g., CD, NETWORK, USB, OPTICAL, BLUETOOTH): Selects the desired audio input source.
- VOLUME +/-: Adjusts the master volume level.
- MUTE: Temporarily silences the audio output. Press again to restore sound.
- NAVIGATION (Up, Down, Left, Right, ENTER): Used to navigate menus and confirm selections on the receiver's display.
- PLAY/PAUSE, STOP, SKIP (Forward/Backward): Controls playback for CD, USB, and network audio sources.
- NUMERIC KEYPAD (0-9, +10): For direct track selection or inputting numbers.
- RANDOM, REPEAT, DIMMER, INFO: Accesses various playback modes and display information.
- SETUP: Enters the receiver's setup menu.
- BACK: Returns to the previous menu or screen.
For detailed functionality of specific buttons, refer to your Marantz M-CR612 Network CD Receiver's original user manual.

Figure 2: Angled view of the WTTHAI RC014CR remote control, highlighting its ergonomic design and button layout.
Maintenance
Proper care and maintenance will ensure the longevity and reliable operation of your remote control.
Cleaning
- Wipe the remote control with a soft, dry cloth.
- For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner.
- Do not use harsh chemicals, solvents, or abrasive cleaning pads, as these can damage the remote's surface or internal components.
Battery Replacement
- Replace batteries when the remote control's response becomes sluggish or stops working.
- Always replace both batteries at the same time with new 1.5V AAA alkaline batteries.
- Remove batteries if the remote control will not be used for an extended period to prevent leakage and potential damage.
- Dispose of used batteries according to local regulations.
Troubleshooting
If you encounter issues with your RC014CR remote control, try the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote control does not work. |
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| Buttons are unresponsive or sticky. |
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| Remote works intermittently. |
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Specifications
- Model: RC014CR
- Brand: WTTHAI
- Compatibility: Marantz Network CD Receiver M-CR612
- Power Supply: 2 x 1.5V AAA Alkaline Batteries (not included)
- Connectivity Technology: Infrared (IR)
- Color: Black
- Special Feature: Ergonomic design
Support
If you encounter any issues or have questions regarding your WTTHAI RC014CR remote control that are not covered in this manual, please contact the seller or manufacturer for assistance. We are committed to resolving any problems you may experience.
Please provide your product model (RC014CR) and a detailed description of the issue when seeking support.