Retain these instructions for future reference. Intended Use The 3M Headset Intercom System Model XT-1 is intended for use to provide 2- way radio-frequency audio communication in quick service drive-through restaurants and convenience stores.
Do not open, crush, expose to heat above 200 °F or incinerate the battery. • Always replace batteries, battery chargers and power supplies with 3M approved units acceptable for use in this system to avoid system function & safety concerns. CAUTION To reduce the risks associated with environmental contamination due to battery pack &...
The twisted pair of wires for the microphone connection must be shielded for proper operation. In duplex systems, microphone and speaker cannot be in the same jacket unless specially designed for duplex such as 3M™ Cable part number 78-8117-4313-3. •...
• 3M™ Microphone Assembly. Part # 78-6911-4935-1 • 3M™ Speaker Assembly, Duplex, 5 inch. Part # 78-6911-4411-3 For information on wiring the speaker and microphone to the base station, see “Base Station to Component Wiring,” page 17. Install the Vehicle Detector(s) Follow the instructions provided with the vehicle detectors for installing the detector loop(s), speakers, and microphones.
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The wiring diagram below show where the connections are made for a 3M model D15-D intercom. You can use a different brand of intercom system, but the wire color coding will be different, so you will have to determine how to wire the systems together by following the terminal labels.
Use the button to access upper-case Service (Shift) Service letters or to initiate a service call to 3M or as a confirmation in some items. Pressing and holding the button while Service editing a field that permits alphabet letter entry (e.g., store address) shifts the letter to...
Remove Headsets Perform the following steps to un-register a lost, destroyed, or otherwise removed headset from the system, including a headset that is sent back to 3M for repair. The headset would have to be registered again at a later date.