1. تعارف
The Lab Gruppen CM41 Commercial Mixer is designed to provide a robust and versatile audio mixing solution for various commercial and industrial environments. This 4-input, 1-output mixer is engineered for ease of installation and operation, making it suitable for non-technical personnel. It is an ideal choice for applications such as bars, restaurants, retail spaces, hotels, corporate offices, educational institutions, and other venues requiring background music or public address systems.
This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your CM41 mixer. Please read it thoroughly before using the device.
2. حفاظتي هدايتون
محفوظ آپريشن کي يقيني بڻائڻ ۽ نقصان کي روڪڻ لاءِ، هيٺ ڏنل حفاظتي احتياطن تي عمل ڪريو:
- طاقت جو ذريعو: يونٽ کي صرف مخصوص وول سان ڳنڍيوtage and frequency as indicated on the device. Ensure the power cord is not damaged or pinched.
- وينٽيليشن: وينٽيليشن جي سوراخن کي نه روڪيو. يونٽ جي چوڌاري مناسب هوا جي وهڪري کي يقيني بڻايو وڃي ته جيئن وڌيڪ گرم ٿيڻ کان بچي سگهجي.
- نمي: Do not expose the unit to rain, moisture, or excessive humidity. Avoid placing liquid-filled objects on or near the device.
- صفائي: صفائي ڪرڻ کان اڳ بجلي بند ڪريو. سڪل، نرم ڪپڙو استعمال ڪريو. مائع صاف ڪندڙ يا ايروسول استعمال نه ڪريو.
- خدمت ڪرڻ: هن يونٽ جي پاڻ خدمت ڪرڻ جي ڪوشش نه ڪريو. سڀني خدمتن کي قابل خدمت اهلڪارن جي حوالي ڪريو.
- لڳائڻ: Place the unit on a stable surface. Avoid placing it near heat sources or in direct sunlight.
3. پراڊڪٽ ختمview
3.1 اهم خاصيتون
- 4 input / 1 output mixer for commercial and industrial applications.
- 4 mic/line inputs with individual volume controls.
- Individual front panel master volume and bass/treble controls.
- Configurable priority muting function for background music override.
- GPI remote volume control using standard RJ-45 connector and Ethernet cable.
- Front panel power control button for direct access.
- Aux output for expansion to connect with ampجان بچائيندڙ.
- Rack-mountable 1U, half-rack width enclosure with joining brackets for rack, table and wall mounting.
- Euroblock-type mic/line input and output connectors.
3.2 فرنٽ پينل ڪنٽرول
The front panel provides intuitive controls for managing audio inputs and overall output.

شڪل 1: سامهون view of the CM41 mixer, showing input volume knobs, master volume, bass/treble controls, and power button.
- Input Volume Controls (A, B, C, D): Individual rotary knobs to adjust the volume level for each of the four input channels.
- ماسٽر حجم ڪنٽرول: A large rotary knob to adjust the overall output volume of the mixer.
- بيس ڪنٽرول: Adjusts the low-frequency response of the master output.
- ٽريبل ڪنٽرول: Adjusts the high-frequency response of the master output.
- پاور بٽڻ: يونٽ جي پاور کي آن ۽ آف ٽوگل ڪري ٿو.
- LED اشارا: Indicate signal presence and power status for each channel and the master output.
3.3 ريئر پينل ڪنيڪشن
The rear panel houses all input, output, and control connections.

شڪل 2: ريڙهه view of the CM41 mixer, displaying power input, output, remote control port, and various mic/line inputs.
- AC پاور ان پٽ: Standard IEC power connector for connecting the mixer to mains electricity.
- Output (Euroblock): Main audio output connector for connecting to an ampلائفائر يا ٻيو آڊيو سامان.
- Remote (RJ-45): GPI port for remote volume control using an Ethernet cable.
- Mic/Line Inputs (Euroblock & RCA): Four individual input channels (A, B, C, D) supporting both microphone and line-level signals via Euroblock connectors and RCA (mono sum) for line inputs.
- 48V فينٽم پاور سوئچ: Enables or disables 48V phantom power for condenser microphones on specific input channels.
- Priority Muting Switches: Configuration switches for the priority muting function.
- آڪس آئوٽ: Additional output for connecting to expansion ampلائفائر يا ٻيا ڊوائيس.
4. سيٽ اپ
4.1 پيڪنگ ۽ چڪاس
Carefully unpack the CM41 mixer and inspect it for any signs of damage during transit. Retain the packaging materials for future transport or storage.
4.2 چڙهڻ
The CM41 is designed for flexible installation:
- ريڪ لڳائڻ: The unit is 1U high and half-rack width. Use the provided joining brackets to mount it in a standard 19-inch equipment rack.
- Tabletop/Wall Mounting: The compact design also allows for placement on a tabletop or mounting to a wall using appropriate brackets (not always included, check packaging).
4.3 ڪنيڪشن
Ensure the mixer is powered off before making any connections.
- پاور ڪنيڪشن: Connect the supplied AC power cord to the IEC inlet on the rear panel and then to a suitable mains power outlet.
- ان پٽ ڪنيڪشن:
- مائڪروفون: Connect microphones to the Euroblock inputs. If using condenser microphones, ensure the 48V phantom power switch for the respective channel is engaged.
- لائين-ليول ڊوائيسز: Connect line-level sources (e.g., CD players, media players) to the Euroblock or RCA (mono sum) inputs.
- Connectاھر ڪنيڪشن: Connect the main Euroblock output to your power amplifier or active speakers. The Aux output can be used for additional amplification or monitoring.
- GPI Remote Control: For remote volume control, connect a standard Ethernet cable from a compatible GPI controller to the RJ-45 'Remote' port on the rear panel.
5. آپريشن
5.1 پاور آن/آف
Press the 'Power' button on the front panel to turn the mixer on or off. The power LED will illuminate when the unit is active.
5.2 ان پٽ ليولز کي ترتيب ڏيڻ
Use the individual 'Volume' knobs (A, B, C, D) on the front panel to set the desired level for each connected input source. Monitor the signal presence LEDs to ensure a healthy signal without clipping.
5.3 Master Volume and Tone Control
The 'Master' volume knob controls the overall output level of the mixer. Use the 'Bass' and 'Treble' knobs to adjust the low and high-frequency response of the master output to suit your environment and audio content.
5.4 Priority Muting Function
The CM41 features a configurable priority muting function. This allows certain inputs (e.g., a microphone for announcements) to automatically lower the volume of other inputs (e.g., background music). Refer to the detailed wiring diagram and switch settings in the full technical manual for specific configuration instructions.
5.5 GPI Remote Volume Control
If a GPI remote control system is connected, the master volume can be adjusted remotely. Consult the documentation for your GPI controller for specific operation details.
6. سار سنڀال
The Lab Gruppen CM41 mixer requires minimal maintenance to ensure long-term performance.
- صفائي: Regularly wipe the exterior with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or waxes.
- وينٽيليشن: Ensure that the ventilation slots remain clear of dust and debris.
- ڪيبل جو انتظام: Periodically check all cables for wear and tear. Replace any damaged cables immediately.
7. مسئلا حل ڪرڻ
If you encounter issues with your CM41 mixer, refer to the following common problems and solutions:
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| طاقت نه آهي | Power cord disconnected; power outlet faulty; unit power switch off. | Check power cord connection; test power outlet; ensure front panel power button is pressed. |
| ڪوبه آواز ٻاھر نه | Master volume too low; input volume too low; incorrect input/output connections; amplifier off/faulty. | Increase master and input volumes; verify all audio connections; check connected ampوierيڪ زنده |
| بگڙيل آواز | Input level too high (clipping); master volume too high; faulty cable. | Reduce input and master volumes; check signal LEDs for clipping; replace suspect cables. |
| مائڪرو فون ڪم نه ڪري رهيو آهي | Phantom power off (for condenser mics); mic cable faulty; mic input volume low. | Enable 48V phantom power if needed; test with another mic/cable; increase mic input volume. |
جيڪڏهن انهن حلن جي ڪوشش ڪرڻ کان پوءِ به مسئلو برقرار رهي ٿو، ته پوءِ قابل سروس اهلڪارن سان رابطو ڪريو.
8. وضاحتون
The following are the technical specifications for the Lab Gruppen CM41 Commercial Mixer:
| خاصيت | تفصيل |
|---|---|
| شيون ماڊل نمبر | سي ايم 41 |
| داخلائون | 4 (Mic/Line, Euroblock & RCA) |
| ٻاھر ڪڍڻ | 1 Main (Euroblock), 1 Aux |
| چينلن جو تعداد | 4 |
| طاقت جو ذريعو | تار ٿيل برقي |
| جلدtage | 240 Volts (check local power requirements) |
| پيداوار جي ماپ | 8.6 x 11.8 x 1.8 انچ (21.8 x 30 x 4.6 سينٽي) |
| شيءِ جو وزن | 4.6 پائونڊ (2.09 ڪلوگرام) |
| رابطي ٽيڪنالاجي | معاون |
| چڙهڻ | Rack-mountable 1U, half-rack width |
9. وارنٽي ۽ سپورٽ
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Lab Gruppen webسائيٽ. ڪنهن به وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.





