Replacement parts and their prices are available by calling: 1-800-328-0033 Replacement parts correspondence, write to: 3M Commercial Care Division Food Service Business 3M Center St. Paul, MN 55144-1000 Replacement Parts and Service Technical Service For technical assistance, call: 1-800-328-0033 Write to: 3M Commercial Care Division Food Service Business 3M Center St. Paul, MN 55144-1000 Or visit our website: ©3M 2005 November Model C1060 Headset Intercom System Replacement Parts and Service R

· This device must accept any interference received including interference hat may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Trademarks Safety Guidelines Warranty Information 3M Information Call (800) 328-0033 3M Model D-2400 Front Matter Revision Record Date Revision Reason For Change 5/00 01 Preliminary manual released. 6/00 02 Incorporated changes from Revision 01

FCC Information This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. . 3M 1998 July Model C5000 System Description Introduction Sys

Problem Isolation Procedure Use the troubleshooting table on the following pages to help isolate the problem: 1. Start at the top of the table and work down to the bottom. 2. For each symptom listed, determine if it applies to the situation. 3. If a symptom does apply, check () the box adjacent to the symptom. 4. Read across the table to the possible causes and corrections listed in the middle and right columns. 5. Investigate these possible causes and implement the corrections. Possible causes

Island mode is used where a single speaker serves both sides of a dispenser. Procedure 1: Press and hold the HOLD key while applying power to any Selector. OR Procedure 2: Reset or remove power from any Station in one of the following ways. a. Unplug the RS485 cable. b. Press and hold the STD BY key while entering the numeric code 911. Resetting the Station To reset only the station selector: Selector 1. Press and hold the STD BY key. (Reset) 2. Enter the numeric code: 911. Resetting the System

• This device must accept any interference received including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. . 3M (IPC) 2002. All rights reserved. Call (800) 328-0033 Performance Series Front Matter Revision Record Date Revision Reason For Change 2/02/02 01 Preliminary manual released 4/08/02 02 Preliminary second draft 4/11/02 03 Preliminary third d