1. Introduction
The Clear-Com RM-702 is a professional 2-channel remote intercom station designed for reliable communication in demanding environments. This unit allows operators to select and communicate on either channel separately or on both channels simultaneously. Its audio response is specifically contoured for excellent speech intelligibility, even in high-noise conditions. The RM-702 supports monitoring intercom activity via a headset, the internal speaker, or both, and features a powerful 4-watt output amplifier for high volume levels.
Figure 1: Angled view of the Clear-Com RM-702 Remote Intercom Station, showing the front panel and overall chassis.
2. Key Features
- Selectable One- or Two-Channel Communication: Provides flexibility for communication needs.
- Individual Listen Volume Controls: Allows precise adjustment of audio levels for each channel.
- Momentary/Latching Talk Buttons: Offers versatile talk functionality for quick or continuous communication.
- Individual Call Buttons: Enables direct signaling to specific channels.
- Visual Call Signaling: Provides clear visual indication of incoming calls.
- High Output Amplifier: 4-watt output for clear audio even in noisy environments.
- Contoured Audio Response: Optimized for speech intelligibility.
3. Setup and Connections
Follow these steps to properly set up your Clear-Com RM-702 Remote Intercom Station:
- Mounting: The RM-702 is designed for standard rack mounting. Secure the unit into a 1U rack space using appropriate screws.
- Power Connection: Connect the unit to a suitable power source using the provided power cable. Ensure the power switch is in the OFF position before connecting.
- Intercom Channel Connections:
- Connect your intercom system's Channel A to the Intercom Channel A XLR connector on the rear panel.
- Connect your intercom system's Channel B to the Intercom Channel B XLR connector on the rear panel.
- Headset Connection: If using a headset, plug it into the headset jack on the front panel.
- Accessory Port: The Accessory D-sub connector on the rear panel is for advanced system integration. Refer to your overall system documentation for specific uses.
- Hot Mic/C-C IFB System: If integrating with a Hot Mic or Clear-Com IFB system, connect to the dedicated input on the rear panel and adjust the level as needed.
Figure 2: Rear panel of the Clear-Com RM-702, showing Intercom Channel A and B XLR connectors, Accessory port, and Hot Mic/C-C IFB System input.
4. Operating Instructions
Once the RM-702 is properly connected and powered on, you can begin operation:
- Power On: Flip the power switch to the ON position.
- Adjust Listen Levels: Use the individual Listen Level controls for Channel A and Channel B on the front panel to set your desired listening volume. You can monitor through the internal speaker or a connected headset.
- Talk Functionality:
- Momentary Talk: Press and hold the Talk A or Talk B button to speak on the respective channel. Release to stop talking.
- Latching Talk: Press and quickly release the Talk A or Talk B button to latch the talk function on. Press again to unlatch.
- Talk All: Some models may feature a "Talk All" button to communicate on both channels simultaneously. Refer to your specific unit's front panel.
- Call Function: Press the Call A or Call B button to send a call signal to the corresponding channel. A visual indicator will illuminate when a call is received.
- Speaker/Headset Selection: If applicable, use the front panel controls to switch between the internal speaker and a connected headset for monitoring.
5. Maintenance
To ensure the longevity and optimal performance of your RM-702, follow these maintenance guidelines:
- Cleaning: Regularly wipe the exterior of the unit with a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the unit. Avoid abrasive cleaners or solvents.
- Ventilation: Ensure that the ventilation openings are not obstructed to prevent overheating.
- Cable Inspection: Periodically check all cables for signs of wear or damage. Replace any damaged cables immediately.
- Storage: When not in use for extended periods, store the unit in a cool, dry place, protected from dust and extreme temperatures.
6. Troubleshooting
If you encounter issues with your RM-702, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable disconnected; Power switch off; Faulty power outlet | Check power cable connection; Ensure power switch is ON; Test power outlet with another device. |
| No audio from speaker/headset | Listen level too low; Headset not properly connected; Intercom channel not active; Faulty headset | Increase listen level; Reconnect headset firmly; Verify intercom system is active; Test with a different headset. |
| Cannot talk on a channel | Talk button not pressed/latched; Microphone issue; Intercom channel not active | Ensure talk button is pressed or latched; Check headset microphone connection; Verify intercom system is active. |
| Distorted audio | Input level too high; Faulty cable; Interference | Reduce input level from the intercom system; Replace cables; Check for sources of electrical interference. |
If the problem persists after trying these solutions, please contact Clear-Com technical support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Clear-Com |
| Model Number | RM-702 |
| Number of Channels | 2 |
| Color | Black |
| UPC | 001902500100 |
| ASIN | B00GHUHQWM |
| Output Amplifier | 4-watt |
8. Warranty and Support
Clear-Com products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official Clear-Com website. For technical support, service, or replacement parts, please contact Clear-Com customer service directly. You can typically find contact information on the manufacturer's website or in the product packaging.
Online Resources: For the latest documentation, FAQs, and support resources, visit the official Clear-Com support portal.
