Technical Bulletins

The Nortek Security & Control Family of Brands

dmc1CD not recognized by dmc1 or dmc3-4 master unit

dmc1CD not recognized by dmc1 or dmc3-4 master unit

The Model DMC1CD Add-on 6-disc CD Changer is an accessory for the Model DMC1 or DMC3-4 Music/Communication System master units. If the CD unit is powered up before the master unit and before the data cable is connected, the master unit may not recognize the addition of the add-on CD changer. When the master is … Continue reading dmc1CD not recognized by dmc1 or dmc3-4 master unit

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Technical Bulletins - August 17, 2006
Controlling multiple speaker zones with a single keypad

Controlling multiple speaker zones with a single keypad

The MDS-6A Music Distribution System has up to six speaker zones that are normally controlled by up to six Model MCS-1A or MSC-2A Keypad Zone Controllers. In some larger installations, the MDS-6A can be installed with more than one pair of speakers per room. For maximum output power, each pair of speakers is wired to … Continue reading Controlling multiple speaker zones with a single keypad

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Technical Bulletins - August 15, 2006
New LINMODEM initialization string for Account Manager

New LINMODEM initialization string for Account Manager

The Model LINMODEM add-on modem used with some of Linear’s access control systems has been upgraded to a new version. This second version contains a new modem board. The new modem board appears quite different from the previous version modem board. To identify the LINMODEM version, see the modem board details in the pictures of … Continue reading New LINMODEM initialization string for Account Manager

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Technical Bulletins - August 11, 2006