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Appendix: 3M™ Acoustic Kit Installation Guide 

 

3M™ Drive-Thru Systems Model G5 and Model XT-1 

Installation Manual 

March 2014 – Revision 2.0 

Page 69 of 74 

Additional illustrations of 3M speaker and microphone installation using the 3M Acoustic Kit and product 
instructions as a guideline for installation. 

 

Fig.1

  

Install 3M Vibration tape 
to metal surfaces. 

 

Fig.2

  

Install 3M foam and 
acoustic insulation. 

 

Fig.3

  

Solder all connections. 

 

Fig.4

  

Secure connections with 
connectors. 

 

 

Fig.5

  

Install speaker with same 
procedure. 

 

Fig.6

  

Solder all connections.

 

 

Fig.7

 

 

Fig.8

 

Содержание G5

Страница 1: ...3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual ...

Страница 2: ...March 2014 Revision 2 0 3M Commercial Solutions Division 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual ...

Страница 3: ...Change the Monitor Volume 40 Change the Night Volume 41 Registering Headsets 42 Change Noise Reduction Level 43 Set System Date and Time 44 Change Global Settings 44 Order Taking Modes Setup 49 Change Site Scheduling 50 Change Site Information 51 Change Self Monitoring 51 Change Passcodes 51 Two Base Station Setup 52 Installer Setup 52 Factory Setup Restore Factory Defaults 53 Create and Load Temp...

Страница 4: ...d Model XT 1 Installation Manual Appendix Dual Lane Installation Instructions 65 Recommended Procedure 65 Appendix 3M Acoustic Kit Installation Guide 67 Installation Guidelines Separate Housings 67 Installation Guidelines Single Housing 68 Appendix Loop and cable condition test 70 Index 71 ...

Страница 5: ...ns in quick service drive through restaurants and convenience stores It has not been evaluated for other uses or locations Signal Words Explanation of Signal Word Consequences WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury and or property damage CAUTION Indicates a potentially hazardous situation which if not avoided could result in...

Страница 6: ...tation complies with FCC RF radiation exposure limits This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body This includes any external antenna For any external antenna that is used with the XT 1 Base Station the minimum length of RF cable required is 75 feet Use the power supply indoors and in dry locations only To reduce the risks assoc...

Страница 7: ... communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canada Note CAN ICES 3 A NMB 3 A This device complies with part 15 of the FCC Rules and with Industry Canada license exempt standard RSS 210 as of the date printed Operation is subject to the following two c...

Страница 8: ...Model XT 1 Installation Manual Note Modifications to this device shall not be made without the written consent of 3M Company Unauthorized modifications may void the authority granted under Federal Communication Rules and Industry Canada Rules permitting the operation of this device ...

Страница 9: ...Overview 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual March 2014 Revision 2 0 Page 9 of 74 ...

Страница 10: ...th to connect the speaker and microphone assembly from the order point to the base station Recommend basic tool kit screw drivers pliers wire strippers crimping tools scissors soldering iron solder crimp caps electrical tape wire ties etc Important Note The twisted pair of wires for the microphone connection must be shielded for proper operation In duplex systems microphone and speaker cannot be i...

Страница 11: ...see Figure 1 is the most common configuration It is comprised of one lane of traffic with one order point and one or two drive thru windows for payment and pick up Figure 1 A Tandem Drive Thru see Figure 2 is comprised of a single lane of traffic with two order points one in front of the other and one or two drive thru windows for payment and pick up Figure 2 Pick Up Cash Order Point 2 Order Point...

Страница 12: ...re 3 A Dual Drive Thru see Figure 4 is comprised of two completely separate drive thru systems each with its own lane usually on opposite sides of the building its own order point and one or two drive thru windows for payment and pick up The simplest dual drive thru is two single drive thrus but it is possible to have dual tandem dual side by side or even a combination of different drive thru type...

Страница 13: ...ly used to provide the pulse signal when a vehicle rolls over it Install the Battery Charger The G5 headset batteries can be charged while the battery is still in the headset using the G5 Headset Charging Station G5 or separately using a standalone 3MTM Drive thru Headset Battery Charger G5 12 slot All lights and indications will flash on the battery and not on the chargers The XT 1 headset uses t...

Страница 14: ...ket The power cord should be in place where it cannot be pinched or bent Install the wall mount bracket on the wall if applicable Place the charger on the wall mount bracket or surface Connect the power supply transformer between the wall receptacle and the charger Insert a G5 Headset with a G5 battery in it into the Headset bay on the charger Alternatively you may insert the G5 battery to be char...

Страница 15: ... battery charger see Figure 5 Figure 5 Select a placement location A flat dry surface such asa desktop or shelf An easy to reach wall location if you have the optional wall mount bracket The power cord should be in place where it cannot be pinched or bent Install the wall mount bracket on the wall if applicable Place the charger on the wall mount bracket or surface Connect the power supply transfo...

Страница 16: ...g the detector loop s speakers and microphones For information on wiring and configuring the vehicle detector s to the base station see Base Station to Component Wiring page 24 For information on installing the vehicle detector circuit boards in the base station see Installing Accessory Boards in the Base Station on page 30 Assemble the 3M Drive Thru Headset G5 The components that make up a 3M Dri...

Страница 17: ...d into the Charging Contact Block Receptacle of the Headset Carrier Once the Charging Contact Block is set into in the Receptacle it will act as hinge or pivot point See Figure 2 Gently press the two halves together until they securely snap into place at the top You may need to apply a slight downward pressure to align the connections appropriately When the Control pod is connected to Carrier you ...

Страница 18: ...Installation March 2014 Revision 2 0 Page 18 of 74 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual Figure 2 Figure 3 Figure 4 ...

Страница 19: ...can pre test the signal using the following procedure Temporarily mount the base station where you think it may have good range Power the base station Register two headsets Change the order taking mode to Always On Put on two headsets Tap the talk button on one of the headsets Walk around the location talking as you walk If you can hear yourself in the other headset in all desirable order taker po...

Страница 20: ... station cover Verify there are no obstructions tools etc in the way of the cover being closed Align the top edge of the cover with the base Swing the bottom half of the cover down into place and gently push it against the base until it locks into place Tighten the two screws located at the bottom of the cover Mount the Station Perform the following procedure to install the base station See Figure...

Страница 21: ... Do not route power supply wiring with communication wiring in the same conduit Attach all cables to their appropriate terminals Connect the base station transformer between the wall outlet and the base station power supply connection Connect the Components This section provides diagrams and information that should help you to properly wire the system components together Note In all cases you must...

Страница 22: ...n 12V IN Incoming power supply from the transformer ORDER POINT All of the wires on this terminal block go to the order point or monitor speaker 12V OUT 12 VDC power supply EARTH Earth ground MIC Positive phase microphone wire MIC Negative phase microphone wire GND Microphone wire shielding MEN SPKR Positive phase order point speaker MEN SPKR Negative phase order point speaker ...

Страница 23: ... IN Negative in connects to negative out on interconnected base station OUT Positive out connects to positive in on interconnected base station OUT negative out connects to negative in on interconnected base station INTERBASE_2 All wires on this terminal block go to INTERBASE_2 terminals on the interconnected base station IN Positive in connects to positive out on interconnected base station IN Ne...

Страница 24: ...s terminal block go to the external audio device IN Positive in connects to positive in on device IN Negative in connects to negative out on device GND Ground OUT Positive out connects to positive in on device OUT Negative out connects to negative in on device Base Station to Component Wiring Good Wiring Practices To reduce interference and improve signal quality use the following practices for al...

Страница 25: ...ation and the components of a single drive thru In systems with two base stations use this wiring diagram for each of the stations then see Base Station to Base Station Wiring Page 27 Note Vehicle Detector 1 VEHDET 1 must always be used for proper base station operation Vehicle detectors 2 and 3 or any integral detectors installed with optional modules can be used at your discretion ...

Страница 26: ...tallation March 2014 Revision 2 0 Page 26 of 74 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual Figure 9 Vehicle Detector Power Order Point Microphone Order Point Speaker Monitor Speaker ...

Страница 27: ...minals from base 1 connect to Interbase 2 terminals from base 2 IN terminals connect to OUT terminals of the same polarity GND terminals connect to GND terminals UART_TX terminals connect to UART_RX terminals Figure 10 Auxiliary Intercom An auxiliary intercom is a wired communication system that can be used in the event of base station failure Figure 11 shows where the connections are made for a 3...

Страница 28: ...y for a number of convenient uses typically an external greeter or timer module but could also be used to operate a vehicle approach chime or other device that is independent of the intercom system Virtually any device that can be activated by opening or closing a switch can be linked to vehicle detection The relay terminals are numbered according to the vehicle detector they are paired with For e...

Страница 29: ...would be used To make the light turn off when a vehicle is detected terminals RELAY3_COM and RELAY3_NC normally closed would be used Figure 12 Vehicle Approach Monitor If one of your vehicle detectors will be used as a vehicle approach monitor use an auxiliary as shown in Figure 13 Vehicle Detector 3 Controls RELAY3 If RELAY3_NO terminal is used vehicle detection closes the relay to complete this ...

Страница 30: ...Detector 3 VEHDEH 3 To do so use the corresponding RELAY3_COM and RELAY3_NO terminals Figure 13 Installing Accessory Boards in the Base Station Accessory boards include up to three vehicle detectors greeter module and timer module They must be installed into the base station according to the following procedures Vehicle approach detector board or loop connected at VEH DET 2 terminals Connect VEH_A...

Страница 31: ...ulse setting typical vehicle detectors detect the presence of a vehicle They remain active for as long as a vehicle is in range of the detector however there are some types e g air hoses that only trigger when a vehicle drives over them with no further feedback to indicate whether the vehicle remains The fourth dip switch must be set to the type of detector you have Perform the following procedure...

Страница 32: ...en powered and operating Steady green indicates that power is applied and no vehicle is currently detected Flashing green single flash every 1 5 seconds indicates an open loop fault a wire is disconnected or severed Flashing green double flash every 1 5 seconds indicates a shorted loop fault the loop wires are making unwanted contact at some point before they reach the loop detector Steady red ind...

Страница 33: ...e left to right pin order is the same on both boards the left pin on one corresponds to the left pin on the other Greeter Alert Trigger Inputs The installer can repurpose up to 4 of the existing input terminals on the XT 1 as ALERT Message Trigger Inputs Each of these 4 existing inputs now has two modes Original Mode maintains the inputs original function For example shorting the SPLIT CROSS input...

Страница 34: ...ed up and functioning normally the Run mode menu appears on the display Figure 17 shows the Run mode menu Figure 17 Navigating in the Base Station in Run Mode To navigate the base station in Run mode you only need to use Enter Mode and the directional arrow buttons up down left and right The remaining buttons function only in manager or installer configuration modes 13 25 WED NOV 16 2005 MODE ML P...

Страница 35: ... Mode Enter your user passcode Press Mode again The display will show the user name and ID number e g User1 ID 1 For basestations with software version 2 29 or 3 14 or 3 42 To enter the configuration mode From the Run mode menu press and hold Mode While continuing to hold Mode enter your user passcode Release Mode The display will show the user name and ID number e g User1 ID 1 Notes The default u...

Страница 36: ...le Variable items that cannot be edited appear inside of square brackets In some cases the item is editable but only from a different location in the menu information An on screen explanation of a key point or reminder appears within curved brackets Buttons Following is a brief description of the buttons on the display and their functions Directional arrow buttons You can use these buttons to scro...

Страница 37: ...all to 3M or as a confirmation in some items Pressing and holding the Service button while editing a field that permits alphabet letter entry e g store address shifts the letter to upper case In run mode press and hold the Service button then enter your passcode to initiate an internet request for help from 3M A 3M representative will call your store telephone number shortly after you initiate the...

Страница 38: ...same address space as the DHCP address PC 192 168 99 1 DHCP Subnet mask Base Station 255 255 255 0 255 255 255 0 PC 255 255 255 0 No requirement Default gateway Base Station 192 168 99 1 192 168 0 1 or the switch router or hub address PC Leave blank 192 168 0 1 or the switch router or hub address E mail server 192 28 32 161 Your E mail address suffix mmm com Logging into the Base Station with a PC...

Страница 39: ...he volume of the speaker at the customer order point Note To avoid feedback set the outbound talk volume as low as possible To change the outbound talk volume Enter the configuration mode see page 35 Select a new value for 01 Drivethru Volume Outbound Talk Volume The range is 0 silent to 20 maximum Vehicle Alert Volume Changing the vehicle alert volume affects the volume of the vehicle alert signa...

Страница 40: ...nbound Listen Volume The range is 0 silent to 20 maximum Outbound Talk Changing the outbound talk volume affects how loudly the monitor plays the outbound order taker communication You can also disable the monitor playing outbound talk Note To avoid feedback and echo set the outbound talk volume as low as possible To change the outbound talk monitoring settings Enter the configuration mode see pag...

Страница 41: ...ote To avoid feedback and echo set the volume as low as possible To change the page message volume monitoring settings Enter the user service mode see page 35 Select 02 Monitor Volume To enable or disable the monitor playing internal paging messages change the value for PAGE Messages Enable to ON or OFF To change the volume level select a new value for PAGE Messages Volume The range is 0 silent to...

Страница 42: ...ther for the G5 Carrier The G5 Control Pod serial number is the primary tracking number for the G5 headset and this is the serial number that gets registered on the base station Once registered it should not need to be registered again unless it is intentionally removed Add Headsets The procedure below applies to both G5 and XT 1 headsets Each headset has a unique serial number This number is broa...

Страница 43: ...manually reset its number of inactive days to zero see Change Self Monitoring on page 51 for information about the inactive days timer To reset the inactive days Enter the base station configuration mode see page 35 Navigate to 08 Headset Setup Currently Editing Headset Press or if necessary to scroll to the headset ID number for the headset you want to reset Select CLEAR Checking Headset Software...

Страница 44: ... fields as required Use the arrows to scroll from one field to the next and type new values over the existing data in the formats shown in parentheses HH Hours 01 to 24 e g 6 00 pm is 18 MM Minutes 01 to 60 SS Seconds 01 to 60 MMM Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov or Dec DD day 01 to 31 Year Last two digits of the year 00 to 99 20 is fixed and cannot be changed Change Global Settin...

Страница 45: ...event interference with the order taking process Perform the following procedure to enable or disable the order taker hearing pages while talking Enter the base station configuration mode see page 35 Select 07 Global Settings To enable or disable the monitor playing the outbound talk change the value for PAGE Channel Heard by Order Taker to NO or YES Number of Base Stations at this Site When there...

Страница 46: ...ad for Order Point 2 Enter the base station user service mode see page 35 Change the value for 07 Global Settings Pull Ahead Prompt Tandem Only to Yes or No Customer Order Point Prompt Language Perform the following procedure to select the language s of the store closed and pull ahead prompts The prompts can be spoken in English Spanish French German or repeated in multiple languages Enter the bas...

Страница 47: ...owing procedure to specify the number of order takers in cross lane mode Enter the base station configuration mode see page 35 Change the value for 07 Global Settings Order Takers in CROSS Lane Mode to 1 or 2 If you select 1 non order takers will hear the orders from lanes 1 and 2 If you select 2 non order takers will hear only the orders on the lane for which the headset is configured Perform the...

Страница 48: ...s must be of version 5 12 or later If even one headset of an older version signs on the feature will automatically be disabled despite it s value remaining set as DYNAMIC base station emits 3 audible chirps and Run Screen will display a message Headset XXXXXXX allows kitchen noise In the event the Kitchen Noise Reduction feature has been disabled due to a headset with an older version of software ...

Страница 49: ... purchase the following kit XT 1 Basestation Software Update Kit XT 1 78 6911 4957 5 The Software upgrade kit consists of An installation CD including the Install program basestation software files and manuals and the USB cable Haptics Vibration Alerts on Headsets Perform the following procedure to enable or disable the Haptics Vibration Alerts on the Headset upon a vehicle detect at the Order Poi...

Страница 50: ...uration mode see page 35 Navigate to 10 Site Scheduling Regular Site Schedule Change the value for each day of the week and each of the four defined fields Open Day Night and Close Press and to scroll up and down the list Note The greeter will not play messages while the store is closed except for the built in or custom store closed message Holiday Exception Schedule The holiday exception schedule...

Страница 51: ...o enable or disable self monitoring change the value for Self Monitoring Enabled to Yes or No If self monitoring is enabled Select a value for Number of Inactive Days Allowed The range is 7 to 255 The number represents how many days of inactivity must pass for any given headset before the system interprets the absence as a problem and forwards the information to 3M Select a value for Resend Error ...

Страница 52: ...by the installer or in case of complete system restoration or backup Load Installation Settings Installation settings are a complete set of configuration data that the installer can save after the initial installation configuration is completed It is essentially a backup save point in case configuration settings are inadvertently changed in ways that are not easy to identify or correct To load the...

Страница 53: ...configuration mode see page 35 Select 15 Factory Setup Change the value of Restore All Factory Settings to Yes Create and Load Templates You can save an entire base station configuration as a file on a PC and use the file as a template for other base stations You must be using a PC to use templates Reboot System Perform the following procedure to cleanly power down then power up without unplugging...

Страница 54: ...ue for 01 Drivethru Volume Mic Preamp Gain The range is 0 to 20 Use the table below to determine the correct setting Microphone Output Level Setting Microphone Output Level Setting 63 dB 0 74 dB 11 64 dB 1 75 dB 12 65 dB 2 76 dB 13 66 dB 3 77 dB 14 67 dB 4 78 dB 15 68 dB 5 79 dB 16 69 dB 6 80 dB 17 70 dB 7 83 dB 18 71 dB 8 84 dB 19 72 dB 9 85 dB 20 73 dB 10 For example according to its specificati...

Страница 55: ...ctive order taker but the outbound talk to the customer is muted Single Red Flash changed from flashing green Headset has successfully synchronized and signed on with a base station Lane 1 or Lane 2 will also be heard in the earpiece Alternating Flashing Green and Amber Page Monitor Mode Red Orange Red Green Red Orange Red Green Headset registered to four base stations Perform the following proced...

Страница 56: ...fter power on Headset is registered but has not yet synchronized or signed on to the base station Headset is out of range of basestation Flashing Red Green Headset is not registered and has not found a base station Steadily Flashing Red Headset is the active order taker but the outbound talk to the customer is muted Single Red Flash changed from flashing green Short red flash Battery is inserted H...

Страница 57: ...cle If the LCD display does not come on check for power at the wall outlet Headsets are not registered to Base Station Register headsets The Base Station is defective Call for authorized service A single headset has green LED flashing Headset is not registered to base station Register the headset Defective headset If the other headsets register OK the single headset needs repair Headset has lost r...

Страница 58: ...e controls up Defective backup intercom or wiring Call for authorized service No Talk or Page to other headsets from a single headset or Talk or Page buttons require excessive pressure to operate Worn or defective Talk or Page switch Call for authorized service Defective headset Low Talk volume on a single headset The holes in front of the microphone are plugged with dirt or grease Call for author...

Страница 59: ...ce the battery G5 Battery Indicator Light Modes Indicator Mode Description Green LEDs The battery is out of the G5 battery Charger and the button has been pressed and held down Each LED represents 25 charge A fully charged battery would have all 4 LEDS lit Green From the top in the diagram on the left if 4 successive LEDs lit green indicates a charge between 75 and 100 3 successive LEDs lit green ...

Страница 60: ...Appendix Declaration of Conformity 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual March 2014 Revision 2 0 Page 60 of 74 Appendix Declaration of Conformity ...

Страница 61: ...cm Electrical Parameter Specification or Requirement Input Power 120 VAC 50 60 Hz 15A Standard 3 prong outlet required station includes AC adapter Radio Frequency 2 4 GHz ISM Does not Speaker outputs require FCC license 5W Functional Parameter Specification or Requirement Maximum number of order points per base station 1 Maximum number of headsets per base station more than 15 Maximum number of ve...

Страница 62: ...er level or show the customer how to increase the headset volume Do not increase the volume using the PreAmp gain The PreAmp is designed to optimize the 3M Wireless Communication System Model XT 1 and the Microphone and should not be used to increase the volume level Optimizing the Installation The following steps may reduce the possibility of customer complaints and may decrease your installation...

Страница 63: ...crease Echo Canceller by 1 level up to Med Note System Optimized for the 3M Mic Set PreAmp to 8 if using the 3M Mic Did Echo Disappear Adjust volumes to reasonable levels Are volumes reasonable at the order point Not a Base Station Setup issue System working without Echo Delay Did Echo Disappear Has the Order point been properly acoustically treated Acoustically treat isolate Mic And Spkr as neede...

Страница 64: ...Appendix Best Practices March 2014 Revision 2 0 Page 64 of 74 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual ...

Страница 65: ...d side by side or as close together as possible Pull the wire from the order point to the base station 1 location Pull 6 pairs of audio wire from the order point 1 location to order point 2 location for interbase wiring Mount base station 1 page 20 Make the wiring connections from lane 1 to base station 1 page 24 Do not make the interbase wiring connections at this time Power up base station 1 Reg...

Страница 66: ...evision 2 0 Page 66 of 74 3M Drive Thru Systems Model G5 and Model XT 1 Installation Manual PreAmp gain page 54 Outbound volume page 39 Inbound volume page 34 Thoroughly test the lane 2 intercom system Complete the configuration for both base stations page 35 ...

Страница 67: ...top wall Cut two pieces so they are each approximately 1 less than the side walls Peel and discard the release liner from the back of the tape Center each piece of tape on the inside of the top and side walls of the housing as shown in the illustration Install the TUFCOTE TBK Faced Foam to the inside of the housing and over the vibration control tape fig 2 Check the fit of the foam to the inside o...

Страница 68: ...aced Foam to the inside of the housing and over the vibration control tape fig 5 Standard method Cut one piece of foam to be positioned between the speaker and microphone In order for the foam to fit securely cut it slightly larger than the inner dimensions of the housing It should fit snugly between the walls of the housing without buckling Check the fit of the faced foam to the inside of the hou...

Страница 69: ... of 3M speaker and microphone installation using the 3M Acoustic Kit and product instructions as a guideline for installation Fig 1 Install 3M Vibration tape to metal surfaces Fig 2 Install 3M foam and acoustic insulation Fig 3 Solder all connections Fig 4 Secure connections with connectors Fig 5 Install speaker with same procedure Fig 6 Solder all connections Fig 7 Fig 8 ...

Страница 70: ...contribute to the change of the conductor s resistance However measuring the conductor s resistance alone may not provide a complete picture as it does not account for insulation leakage to the ground earth Insulation leakage can be checked by utilizing a Megohm meter or a Megometer or Megger Meg Out in industry parlance capable of testing up to 500 megohms 500 million ohms In this test a DC volta...

Страница 71: ... lane 46 cut out headset 58 Date 43 DAY NIGHT 22 Dead battery 59 Delay 30 Dimensions 61 Display buttons 35 navigating 34 Dual double drive thru definition 12 Dual lane installation 65 67 EARTH 21 Echo 43 Enter Select button 36 Ethernet port 36 EXT_AUDIO 23 EXT_MSG 22 Factory settings 52 FCC information 6 Feedback 58 Full duplex definition 44 Global settings 43 GND 21 22 23 Green light charger 59 G...

Страница 72: ...t Overview 5 Prompt language 45 pull ahead 45 store closed 45 Pull ahead prompt 45 Pulse 30 Pulse detectors 13 Reboot 52 Registering headsets 41 Regular site schedule 49 RELAY1 2 3 23 Removing headsets 42 Revision levels 52 Run mode 33 Safety rules 5 Schedule 49 Screws 10 Self monitoring 42 50 Sensitivity 30 Service Shift button 36 Shielding requirement 10 Side by side drive thru definition 12 Sin...

Страница 73: ...nstallation Manual March 2014 Revision 2 0 Page 73 of 74 Vehicle detector types 13 Volume 38 inbound microphone 38 monitor 39 night 40 outbound greeter message 38 outbound talk 38 vehicle alert 38 Warning definition 5 wiring base to base 26 components 23 ...

Страница 74: ...ir 2 repair or replacement of existing cable or wiring 3 product failure caused by misuse abuse improper installation or unapproved modifications or 4 intercom products that are installed or serviced by a non 3M authorized party To obtain warranty service please contact your authorized 3M dealer or 3M Building Commercial Services Division 3M Center Building 500 01 01 St Paul Minnesota 55144 1000 L...

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