Linear Products Knowledge Base

Category » M&S Intercom Systems

There were 11 articles found in this category:

1. I can talk from my rooms to the Master, but not from the Master to the rooms.
   The problem could be in the wiring, the Master Station, or a remote station. Due to the number of different possibilities, we recommend you contact a local service provider. You can locate a provider in your area by visiting our website at http://www.linearcorp.com/locator/ and using your zip ...
2. I have a clicking noise when I try to listen.
   If you are using a 4-wire Intercom System, there may be a short in the wiring or in one or more of the stations. The primary trouble shooting steps involve a procedure we call the "Black-wire Test." The "Black-wire Test" will require the disconnecting of wires and the possible moving of stat ...
3. My CD player won't play my CD's any longer
   First, check the wire connections for the interface cable and transformer to make certain they are secure and have proper termination. Next, check to see if your CD is inserted in the correct "label up" position. Next, we will do a reset on the master. OLDER STYLE PLAYERS/MASTERS If the maste ...
4. Can I connect my IPOD or MP3 player to the master unit?
   Connecting your IPOD or MP3 player to one of our intercom systems is done through an Audio Wall Plate (AWP). The AWP has two sets of left and right RCA jacks to which you can plug in your music source. The DMC1 and DMC3-4 master intercom stations have one set of left and right RCA jacks (labele ...
5. Can I make 3 wires work with a 4 wire system?
   Not without changing out all of your room and patio stations. If you have 4-conductors (wires) servicing your system and you want to change it over from a 4-wire to a 3-wire, you must do the following: 1. Change the jumpers on the back of the DMC3-4 master from 4-wire to 3-wire; 2. Chang ...
6. My MC960PA is overheating.
   There are a few things that can cause your MC960PS to overheat. Review the following to see if any of these are causing your problem: 1. Use only 45 OHM speakers. 2. Maximum number of ten stereo pair or 20 mono 45-ohm speakers. 3. If installing in pairs (stereo) use the SVC96 (stereo ...
7. I can talk to my room stations, but not to my Master.
   The problem could be in the wiring, the Master Station, or a remote station. Due to the number of different possibilities, we recommend you contact a local service provider. You can locate a provider in your area by visiting our website at http://www.linearcorp.com/zipcodeMS/, and using your z ...
8. How to reboot/reset a DMC master intercom?
   If you open the door on the left side of the master you will see a vertical row of slide switches labeled M,1 thru 9 then P. If you have a DMC3-4, you will find a small pin hole to the right of the number 9 switch. On a DMC1 the reset hole will be on the left side of the slide switches located ...
9. My system turns on by itself and then the volume goes up and I can't shut it off. What can I do?
   Most of our intercom systems have stations (room and patio) that can control the system by using the buttons on the station. They can raise, or lower, the system-wide volume and even turn the system on or off. IF one of these stations develops a short, you can find your system turn on by itself, ...
10. My doorbell stopped working. Can you help?
    If you have an intercom system which has a 4-wire door station, and your doorbell (or chime) has stopped working, please follow these steps in order to troubleshoot the problem: 1) Check the master unit to ensure all of the volume levels are set correctly and the room switches are all set to Ra ...
11. If I upgrade my intercom system, can I reuse my current remote stations
    Whether or not you can reuse your current stations with a newer model master really depends on two things – the model of the master you upgrade to and the model number of your current stations. Unless you are using a DMC3-4 in your upgrade, you will have to replace your stations. If you do ...