RM-MC4L - Controller Sonifex - Free user manual and instructions
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| Type of Product | Remote Control / Controller |
| Model | RM-MC4L |
| Brand | Sonifex |
| Dimensions (W x D x H) | Approx. 210 x 150 x 45 mm |
| Weight | Approx. 0.8 kg |
| Power Supply | 12 V DC, 500 mA (via external PSU) |
| Number of Channels | 4 |
| Control Interface | RS-232 / RS-422, GPIO |
| Primary Functions | Remote control of audio mixers, matrix switchers, or routers; source selection, volume control, mute |
| Display | LED indicators for channel status |
| Enclosure Material | Aluminum front panel, steel chassis |
| Mounting | Desktop or 19-inch rack mount (optional kit) |
| Operating Temperature | 0°C to 40°C |
| Humidity | Up to 90% non-condensing |
| Included Accessories | Power supply, DB9 cable, user manual |
| Maintenance | Wipe with dry cloth; no internal user-serviceable parts |
| Safety | Use only supplied power adapter; avoid liquids |
| Spare Parts & Repairability | Contact Sonifex for service; limited parts available |
Frequently Asked Questions - RM-MC4L Sonifex
How do I connect the RM-MC4L to my mixer?
Use a standard RS-232 or RS-422 cable (DB9) to connect to the corresponding port on your mixer or router. Ensure baud rate and protocol match the device settings.
Can the RM-MC4L control more than 4 channels?
No, the RM-MC4L is designed for 4 channels. For more channels, consider the RM-MC8L or larger models.
What power supply does the RM-MC4L require?
It requires a 12V DC, 500mA power supply with a center-positive 2.1mm barrel jack. Use only the supplied adapter.
How do I reset the RM-MC4L to factory settings?
Press and hold the MODE button while powering on the unit. Release when all LEDs flash twice.
Is the RM-MC4L compatible with other brands?
It can control any device that supports Sonifex control protocol over RS-232/422. Check your device manual for compatibility.
What do the LED indicators mean?
Each channel has LEDs for Active (green) and Mute (red). Flashing indicates communication status.
Can I mount the RM-MC4L in a rack?
Yes, an optional 19-inch rack mount kit (RM-RMK1) is available from Sonifex.
How do I change the baud rate?
Baud rate is set via DIP switches inside the unit. Refer to the manual for switch positions (9600, 19200, 38400, 57600).
Why are my commands not being received?
Check cable connections, baud rate, and protocol. Ensure the termination switch is set correctly for your bus configuration.
Where can I find spare parts or repair service?
Contact Sonifex support or an authorized dealer. The unit has no user-serviceable parts inside; do not open the chassis.
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USER MANUAL RM-MC4L Sonifex
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Product information
Brand : Sonifex
Model : RM-MC4L
Category : Controller