Emergency Communications Support

Signal Communications is dedicated to providing the assistance you need in order to use our products. To find quick answers to our most common questions, please see the list of Frequently Asked Questions below. We also have a variety of Application Notes, which may provide more details on how to configure our products.

To contact the factory, please call Applications Engineering at 781-569-0819 or email sales@sigcom.com

FAQs

Emergency Communications and Signaling

Q Do you have a remote microphone for the DVS-25, DVS-50 and DVS+ Series?

A Yes. There are two models of remote microphone available. The DVS-RM/B configuration is provided in a locked cabinet and the DVS-RM/P version, which is mounted on a plate (3 gang electrical box).

Q How many remote microphones can be connected to the DVS-25, DVS-50 or DVS+ systems?

A One per system.

Q How many pre-recorded messages are available on the DVS-25 and DVS-50?

A The DVS-25/50 is capable of storing two pre-recorded messages. The standard unit ships with the fire alarm “Evacuation” message and a “Weather Alert – Take Shelter” message. However, many other options are available. See the Applications Note “Pre-Recorded Messages” for examples and consult the factory for details on using this option.

Q How many pre-recorded messages are available on the DVS+?

A The DVS+ has the capability of storing up to seven pre-recorded messages. The standard unit ships with the fire alarm “Evacuation” message and a “Weather Alert – Take Shelter” message. The remaining 5 are programmed as tones. However, many other options are available. See the Applications Note “Pre-Recorded Messages” for examples and consult the factory for details on using this option.

Q Do you have a library of stock messages available?

A Yes. Please see the Applications Note “Pre-Recorded Messages” for examples. For Custom messages other than those listed, please consult the factory.

Q My DVS-25/50 has a System Fault light on and no bars on the diagnostic meters.

A This is an indication of a power supply fault. Check the batteries and make sure they are in good condition. If the problem persists, please contact the factory for technical support.

Q How many speakers can I put on a circuit?

A This depends on the power amplifier available and the wattage “taps” that the speakers are set for. A typical setting is ¾ watts per speaker. So on a 25 watt circuit, you could put 26 speakers with a 20% reserve and on a 50 watt circuit, you could put 53 speakers with a 20% reserve. Please see the Applications Note “Voice Evacuation Systems Guide”.

Q What wire type and size is needed for my speaker circuit?

A This depends on the length of the circuit, wattage load and the VRMS voltage of the amplifier. Please see the Application Note: “DVS Wire Size Guide” for additional information.

Manual Stations and Accessories

Q What size conduit are the SGB-32C interior back box and SG-WP weather-proof box designed to accommodate?

A The conduit entry is designed for ½” conduit.

Q What special application labels are available for the Spectrum Series pull stations?

A There are a variety of labels available for special applications such as Door Release, HazMat, Tornado, Suppression Release, etc. Please contact the factory for a list of available options and colors.