Linear Products Knowledge Base

Category » M&S Home Intercom General Information

There were 18 articles found in this category:

1. My volume is low
   First, check the volume level settings: 1. Master volume: a. Press the Power button to turn the master unit on. b. Press the tone button until you see the Master volume level indicated on the display screen. c. Press the volume up button to increase and the volume down button to decr ...
2. Can you use the existing housing for an upgrade?
   No, when you install a new DMC1 or DMC3-4 you need to install a new Wall Housing. The Wall Housing for the previous generation's intercoms will not interface with the new intercoms, and the new intercoms will not interface with the older Wall Housings. If you have further questions regarding y ...
3. Can I use the existing transformer for an upgrade on my Intercom?
   No. Transformers are designed and built for specific models. Using the wrong transformer may invalidate your warranty. If you have additional questions pertaining to your intercom system, please feel free to contact us at intercom@linearcorp.com.
4. Can I plug my chime module in with the power on?
   No. Doing so may damage your master station. You must remove power any time you are attaching or removing your chime module from your master station. If you have additional questions pertaining to your intercom system, please feel free to contact us at intercom@linearcorp.com.
5. Can I use a DMC1 with 4 wires?
   No. The DMC1 requires a minimum of 6 conductors for full functionality. We recommend using CAT5 for new installations and 6 or more conductors when used as a retrofit. If you have additional questions pertaining to your intercom system, please feel free to contact us at intercom@linearcorp.com.
6. Can I use my stereo stations and speakers with the DMC1?
   No, you cannot use your stereo stations and/or speakers with the DMC1. The DMC1 does not have a line out audio signal you can use with your stereo equipment. All external speakers must be 45 Ohm and must be hooked up via a MVC1 Mono Volume Control Knob.Each MVC1 must be home run to the master. I ...
7. I can't seem to talk to the outside door, but all of the inside stations work fine.
   If you are unable to converse with the front door station, but you can talk back and forth to indoor room stations, try the following: 1. Check wire termination at the door station and make sure they are secure. 2. Check the red and black wire connections on the back of the master.They should ...
8. Can I use 8 ohm speakers with my intercom system?
   Unfortunately, the answer is no.Our masters are only designed for 45 ohm speakers. If you were to use an 8 ohm speaker, you could potentially damage your entire system and void the factory warranty. For further assistance, feel free to contact us either by e-mail at intercom@Linearcorp.com or by ...
9. Can I use mono speakers and stereo speakers with an MC960PA?
   No, your speakers must all be stereo or all mono – you cannot combine them. STEREO/MONAURAL CONFIGURATION The MC960PA amplifier has a jumper block that selects stereo or monaural operation. The factory setting, with the jumper on one pin, selects stereo operation. When the jumper block i ...
10. Can I call a specific room?
    No, all our M&S Music/Intercoms Systems are "All Talk/All Listen" - you can not specify a specific location. If you need further assistance, you can either email our Technical Support group at intercom@linearcorp.com or call us at 800-421-1587, Monday – Friday, 6:00am – 4:30pm, PST.
11. Can you mix 3 and 4 wire room stations?
    No, you cannot mix 3-wire & 4-wire room/patio stations. The room/patio stations must all be 3-wire or all 4-wire room/patio stations. If you need further assistance, you can either email our Technical Support group at intercom@linearcorp.com or call us at 800-421-1587, Monday – Friday, 6 ...
12. Can I use the MVC1 with 2 speakers?
    No, you cannot use 2 speakers with the MVC1. You can only use a maximum of One 45-OHM speaker with each MVC1 monaural volume control. If you need further assistance, you can either email our Technical Support group at intercom@linearcorp.com or call us at 800-421-1587, Monday – Friday, 6:0 ...
13. How do I check my power supply to see if it is putting out the right voltage?
    You will need a voltage meter in order to check your power supply/transformer. Following are some of the more common power supplies and their expected readings: TE5 Check the red and blue wires (pins 1 & 2) and then check the brown and yellow wires (pins 3 & 5). In both cases you should get some ...
14. Can I use 3 wires to connect my door station?
    Linear door stations require 4 conductors, or wires, in order to provide for both intercom and doorbell functionality. If you only have 3 wires (conductors) in the wire run for your door station, you will have to decide whether you want intercom or doorbell ~ you will not be able to have both. Y ...
15. Where do I find the model number for my intercom system?
    Determining the model number of your intercom system can usually be done very easily if you do not have a CD or Tape player attached to the master unit. If not, look up, underneath the lower right hand corner of your master unit. Your model number will start with the letter D, M, or N and will b ...
16. What does this error code mean on my Master display?
    Error codes are an indication that the system is experiencing a problem. Depending on which master you have, the individual error codes will indicate what the potential problem is and how to resolve it. If you have a DMC3-4 or DMC1 master, the error code is a single digit code and has the follo ...
17. How can I find a dealer in my area?
    You can locate a local dealer by visiting our website at http://www.linearcorp.com/dealers.php. You can search for a dealer by using the pull-down menu to select your state, or by clicking on the "zip code" link, which allows you to search for dealers by zip codes. If you are unable to locate a ...
18. Where can I find a wiring schematic for my system?
    It is company policy that product schematics are not released to anyone outside of internal company personnel. If you need help in trying to troubleshoot a problem with your intercom, you can either call us at 800-421-1587, Monday – Friday, 6:00am – 4:00pm, PST and talk to one of ou ...