Introducció
The Clear-Com MS-702 is a 2-channel rackmount main station designed for professional communication systems. It provides a built-in 2-amp power supply and supports headset and speaker connections, making it suitable for various applications including aviation and recording environments. This manual provides essential information for the proper installation, operation, and maintenance of your MS-702 unit.

Figura 1: Frontal view of the Clear-Com MS-702 Intercom Main Station.
Informació de seguretat
Please read and understand all safety instructions before operating this equipment. Failure to do so may result in injury or damage to the unit.
- No exposeu la unitat a la pluja o la humitat.
- No bloquejar les obertures de ventilació.
- Assegureu-vos de tenir una connexió a terra adequada per a totes les connexions elèctriques.
- Demaneu tot el servei a personal de servei qualificat.
- Aquest producte està dissenyat només per a ús interior.
Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Clear-Com MS-702 Main Station Unit
- Kit de muntatge en rack
- Cable d'alimentació
- Aquest manual d'usuari
Configuració
1. Muntatge en bastidor
The MS-702 is designed for standard 1RU (1 Rack Unit) rack installation. Use the included rack mount kit to secure the unit into a standard 19-inch equipment rack. Ensure adequate ventilation around the unit.
2. Connexió d'alimentació
- Connect the provided power cable to the AC inlet on the rear panel of the MS-702.
- Connecteu l'altre extrem del cable d'alimentació a una presa de corrent de CA amb connexió a terra.
- Ensure the power switch on the front panel is in the OFF position before connecting to power.
3. Intercom Connections
Connect headsets and other intercom devices to the appropriate XLR connectors on the front and rear panels. The MS-702 supports two independent intercom channels.
- Headset Connectors: Use standard 4-pin or 5-pin XLR connectors for headsets.
- Channel Connectors: Connect other intercom stations or beltpacks to the channel XLR connectors.
- Program Input: If applicable, connect an external audio source to the program input.
Instruccions de funcionament
1. Encès / apagat
Flip the power switch on the front panel to the ON position to power on the unit. The power indicator light will illuminate. To power off, flip the switch to the OFF position.
2. Ajust de volum
Use the dedicated volume controls on the front panel to adjust the listening level for each channel and the speaker output. Rotate clockwise to increase volume, counter-clockwise to decrease.
3. Talk Buttons
Press and hold the TALK button for the desired channel to speak to participants on that channel. Some units may have latching talk buttons; refer to the specific model's front panel layout.
4. Botons de trucada
Press the CALL button to send a call signal to all stations on the selected channel. This typically illuminates a call light on the receiving stations.
Manteniment
Neteja
To clean the unit, disconnect it from power. Use a soft, dry cloth to wipe down the exterior. Do not use liquid cleaners or abrasive materials, as these can damage the finish or internal components.
Emmagatzematge
When not in use for extended periods, store the MS-702 in a cool, dry environment, away from direct sunlight and extreme temperatures. It is recommended to keep the unit in its original packaging or a protective case.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense energia a la unitat | Power cable disconnected; Power switch off; Faulty power outlet | Check power cable connections; Ensure power switch is ON; Test power outlet with another device |
| No audio on a channel | Headset/speaker not connected; Volume too low; Faulty cable | Verify all connections; Increase volume; Test with a different headset/cable |
| Àudio distorsionat | Volume too high; Improper impedance matching; Faulty headset/speaker | Reduce volume; Check system impedance; Test with a different headset/speaker |
Especificacions
| Característica | Detall |
|---|---|
| Nom del model | MS-702 |
| Tecnologia de connectivitat | Amb cable |
| Components inclosos | Muntatge en rack |
| Material | Metall |
| Usos específics per al producte | Professional Communication |
| Usos recomanats per al producte | Aviation, Recording |
| Dispositius compatibles | Altaveu |
| Tipus de control | Control de suports |
| Nombre d'articles | 1 |
| Fabricant | Clear-Com |
| Font d'alimentació | Built-in 2-amp |
| Mida de la unitat de rack | 1RU |
| Llistat UL | Sí |
Informació de la garantia
Clear-Com products are covered by a limited warranty against defects in materials and workmanship. The specific terms and duration of your warranty may vary by region and product. Please refer to the warranty card included with your product or visit the official Clear-Com weblloc web per obtenir informació detallada sobre la garantia i els procediments de registre.
Atenció al client
For technical assistance, service, or further information regarding your Clear-Com MS-702, please contact Clear-Com customer support. Before contacting support, please have your model number (MS-702) and serial number ready.
You can find contact information on the official Clear-Com weblloc: www.clearcom.com/support





