E2V Technologies R8060 SEMS base station R8060 User Manual 89502 01 SEMS

E2V Technologies Ltd. SEMS base station R8060 89502 01 SEMS

Revised user manual October 02

1DRAFT COPYOPERATION AND MAINTENANCE INSTRUCTIONSSCOTT ELECTRONIC MANAGEMENT SYSTEM -- SEMS™USER ACCOUNTABILITY SYSTEMFOR THE SCOTT AIR-PAK® 2.2 / 3.0 / 4.5 / FIFTYSELF-CONTAINED BREATHING APPARATUSWARNINGTHE SCOTT SEMS USER ACCOUNTABILITY SYSTEM IS INTENDED FOR USE WITH SCOTTSELF-CONTAINED BREATHING APPARATUS (SCBA) WHICH MAY SUPPORT HUMAN LIFEIN HAZARDOUS ATMOSPHERES. FAILURE TO CAREFULLY READ AND UNDERSTANDTHE FOLLOWING INSTRUCTIONS MAY RESULT IN SERIOUS INJURY OR DEATH TO THESCBA USER.USE OF A RESPIRATOR INTEGRATED WITH THE SEMS USER ACCOUNTABILITY SYSTEMWILL REQUIRE MODIFICATION OF THE RESPIRATOR "REGULAR OPERATIONALINSPECTION PROCEDURES" AND WILL REQUIRE TRAINING OF THE RESPIRATOR USERIN THE USE OF SUCH RESPIRATORS.THE FOLLOWING INSTRUCTIONS SUPPLEMENT BUT DO NOT REPLACE THE OPERATINGAND MAINTENANCE INSTRUCTIONS SUPPLIED WITH EACH RESPIRATOR.FIGURE 1BASESTATIONPORTABLE UNIT
2DRAFT COPYWARNINGREAD AND UNDERSTAND THIS COMPLETE INSTRUCTION MANUAL BEFORE USING ARESPIRATOR EQUIPPED WITH A SEMS ACCOUNTABILITY SYSTEM. FAILURE TO USE THESEMS ACCOUNTABILITY SYSTEM IN ACCORDANCE WITH THESE INSTRUCTIONS MAYLEAD TO CIRCUMSTANCES WHICH COULD RESULT IN SERIOUS INJURY OR DEATH.DESCRIPTIONThe SCOTT Electronic Management System (SEMS) provides amethod of communication between respirator users in a hazardousarea and a designated person outside of the hazardous area. TheSEMS equipment consists of individual Portable Units attached to theSCOTT AIR-PAK models 2.2/3.0/4.5/Fifty self-contained breathingapparatus (SCBA) and a Base Station which transmit and receivespecific information between the respirator users and the Base Sta-tion operator. The specific information consists of user identificationand status as well as alerts for evacuation. Complete training in theuse of the SEMS equipment is required before actual use in a hazard-ous environment.The Portable Unit is integrated into the Scott AIR-PAK SCBA as a partof the remote air pressure gauge which hangs over the right shoulderof the respirator user. The Portable Unit also functions as the ControlConsole for the PAK-ALERT EMS distress alarm personal alert safetysystem (PASS) installed on the respirator backframe. The PortableUnit has a set of status lights, a four character digital display, a dial airpressure gauge, and three control buttons which can easily be pressedwith gloved hands. Power is supplied by batteries in both the PortableUnit and in the PAK-ALERT EMS distress alarm battery compartment.The Base Station is a compact battery operated device that can betripod mounted or carried by a strap. A digital display provides infor-mation about status of the respirator users who are logged onto theBase Station. Simple dedicated function buttons control the transmis-sion and receipt of signals with the respirator users. The Base Stationcan be easily interfaced with a computer for programming and ad-vanced applications.When a respirator user opens the cylinder valve and begins use of anAIR-PAK SCBA equipped with the SEMS Portable Unit, the PortableUnit will automatically begin to operate. If the Base Station is presentat time of entry, the Portable Unit must log-in with the Base Stationbefore entry into the hazardous area. Contact between the PortableUnit and the Base Station will continue until the respirator user termi-nates use of the SCBA.Each installation of SEMS equipment operates as a distinct set ofPortable Units and Base Station that transmit and receive on a singlefrequency. If another installation of SEMS equipment is used in thesame area, the operation of each group will remain discreet and sepa-rate between Portable Units and Base Stations. The SEMS equipmentoperates between 453.0375 and 465.6375 MHz on radio channelsdefined in FCC Title 47 (Telecommunications) Part 90 section 20, Limi-tation (27) and requirement Part 90.238. Programming of the PortableUnits and Base Station is essential and must be performed prior totraining and use. See SEMS Programming Guide, Scott P/N 89506-01 for complete details of programming the SEMS equipment.WARNINGNO PERSONAL ALERT SAFETY SYSTEM, RES-PIRATOR OR COMBINATION OF PERSONALALERT SAFETY SYSTEM AND RESPIRATOR,BY THEMSELVES, CAN PROVIDE COMPLETEPROTECTION IN FIRE SITUATIONS. HOWEVER,USING AN ALARM AND A RESPIRATOR INACCORDANCE WITH THE REQUIREMENTSOF AN ORGANIZED RESPIRATORY PROTEC-TION PROGRAM IS ONE OF THE MANYSAFETY PRECAUTIONS WHICH SHOULD BETAKEN TO AVOID PERSONAL INJURY ORDEATH.
3DRAFT COPYFCC NOTICEThis equipment has been tested and found to comply with the re-quirements of United States Federal Communications Commission,Code of Federal Regulations, FCC title 47, part 90 Section 20, limita-tion (27) and requirement Part 90.238 over frequency range 453.0375to 465.6375 MHz, as well as FCC Section 1.1310 for Occupational/Controlled Exposure limits.If the SEMS Base Station or Portable Unit has been damaged, DONOT use this equipment. Maintenance or repair of this equipmentmust only be performed by an authorized SCOTT service center.Unauthorized service may void the manufacturers warranty and maycause damage to the equipment. Use only Scott authorized accesso-ries, cables, and power connectors. Consult the operating and servicemanuals for instructions on battery replacement, battery maintenance,and use of accessory cables.ELECTROMAGNETIC ENERGY (EME) EXPOSUREThe SEMS Base Station and Portable Unit are designed to complywith the FCC guidelines regarding exposure of human beings to radiofrequency electromagnetic energy.Use only the supplied or an approved replacement antenna on the BaseStation. DO NOT touch or hold the Base Station antenna when thePOWER is “ON”. Holding the antenna may affect transmission andreception quality or may cause the radio to operate at a higher powerlevel than allowed by the FCC. Maintain a distance from your body tothe antenna greater than 1.5mm / 1/16th inch while the Base Station isin use. Any unauthorized antennas, modifications, maintenance, or at-tachments could damage the Base Station and may violate FCCregulations. DO NOT use the Base Station if the antenna has beendamaged. If the antenna has been damaged, remove the equipmentfrom service and tag for repair by authorized personnel.The SEMS Portable Unit antenna is located inside the case. The caseis designed to retain the antenna and maintain a distance greater than1.5mm / 1/16th inch from the users body at all times. DO NOT operatethe Portable Unit with the cover removed. Any unauthorized antennas,modifications, maintenance, or attachments could damage thePortable Unit and may violate FCC regulations.Use of the SEMS Base Station and Portable Unit outside the countrywhere it was distributed may be subject to government regulations andmay be prohibited.
4DRAFT COPYBASIC FUNCTIONS OF THE SEMS EQUIPMENTThe SEMS equipment has two primary functions:•Evacuation Signal•Distress Signal1. The Evacuation Signal is sent from the Base Station to the Por-table Units. It can be handled one of two ways:a) All-Call Signal: The Base Station will send a signal to all por-table units logged on to it. When received, the Portable Unitwill display “EVAC” and sound an audible signal. Every respi-rator user must acknowledge this signal by pressing twice theRESET button on the Control Console. Display will continue toread “EVAC” until user leaves hazardous area and shuts downthe respirator.b) Selective Evacuation Alarm The Base Station will send a sig-nal to only one individual unit logged on to it. When received,the Portable Unit will display “EVAC” and sound an audiblealarm. The selected respirator user must acknowledge this sig-nal by pressing twice the RESET button on the Control Console.Display will continue to read “EVAC” until user leaves hazard-ous area and shuts down the respirator.2. The Distress Signal is joined to the PAK-ALERT EMS distressalarm operation. The Portable Unit will send a signal to the BaseStation when the PAK-ALERT EMS distress alarm goes into fullalarm. Activation of the full alarm can be either by manual activa-tion of the user or by automatic activation from lack of usermovement for the time period set on the PAK-ALERT distressalarm. Once acknowledged by the Base Station operator, “PASS”will appear on the Portable Unit display.Other additional functions include:1. The Contact Signal is an automatic signal sent by the Base Sta-tion to every Portable Unit that is logged in to the Base Station.Any respirator user who does not return an acknowledgment tothe Contact Signal within 120 seconds will be shown on the BaseStation as “OUT OF RANGE.”2. Air supply cylinder levels are monitored by the Portable Unit andthe Base Station. The user can press and hold the RESET but-ton at any time for a digital display of the remaining air supplycylinder pressure. The approximate cylinder pressure is displayed.The user receives a “½ AIR” warning in the display with an au-dible alarm when the cylinder reaches one-half of full pressure.The user also receives a “LOW AIR” warning in the display withan audible alarm when the cylinder reaches one quarter of fullpressure. The “LOW AIR” warning is also transmitted to the BaseStation. The “LOW AIR” alarm will continue to operate until therespirator is shut down.3. Users can inform the Base Station that they are withdrawingfrom the hazardous atmosphere by pressing and holding the“WITHDRAW” button on the Portable Unit for at least two sec-onds. The display will read “W–D” until the user leaves thehazardous area and shuts down the respirator.
5DRAFT COPYPROGRAMMINGBefore SEMS equipment can be put into service, the Base Stationand each Portable Unit must be programmed to work with each other.The amount and detail of the information programmed in will dependon the requirements of the organization using the SEMS. At a mini-mum, the equipment must be setup so that the Base Station willrecognize each Portable Unit in the group and associate an identity ofthe respirator user with the Portable Unit. In this way, specific userswho have entered a particular region of the hazardous area can becontacted individually to evacuate to a safe atmosphere. In addition, ifa Portable Unit transmits a DISTRESS SIGNAL, the Base Unit willdisplay the identity of the respirator user. See SEMS ProgrammingGuide, Scott P/N 89506-01 for complete details of programming theSEMS equipment.REGULAR OPERATIONAL INSPECTIONWhen installed on a Scott SCBA, inspection and test of the ScottSEMS Portable Unit is to be conducted along with inspection and testof the respirator and the PAK-ALERT EMS distress alarm before eachuse. To do this, the REGULAR OPERATIONAL INSPECTION proce-dures in your respirator instructions will require modification. Theinstructions below are to be added to the instructions for REGULAROPERATIONAL INSPECTION of your respirator. If, during the inspec-tion any malfunction of the respirator or the SEMS Portable Unit isnoted, remove the respirator from service and tag for repair by autho-rized personnel.1. While performing the visual inspection of the respirator inspectall SEMS Portable Unit enclosures, lenses, and wire conduitsfor cracks, wear or other damage. If damage is noted, removerespirator from service and tag respirator for repair by qualifiedpersonnel.2. Check the operation of the PAK-ALERT EMS distress alarm inaccordance with the REGULAR OPERATIONAL INSPECTIONdefined in the user instruction for the PAK-ALERT EMS distressalarm installed on your SCBA. All standard function of the PAK-ALERT EMS distress alarm must operate properly.3. With an operating Base Station, verify that the SEMS PortableUnit initializes and logs-in to the Base Station. When testing thePAK-ALERT EMS alarms, verify that the Portable Unit and BaseStation are communicating with each other properly.4. Verify that the batteries are properly installed and that there is no“BATT” indication on the display.5. Send an “EVAC’ signal to the Portable Unit and check the response.Verify that both the ALL-CALL and the Selective Evacuation sig-nals are properly received by the Portable Unit.6. When testing the “LOW AIR” alarm operation, verify that the propersignal is transmitted to the Base Station.On a regular basis established by your respiratory protection program,each SEMS Base Station must be inspected and tested for properoperation. Each of the functions defined in the USE OF THE SEMSBASE STATION section of this instruction must be checked and veri-fied to be operating properly. If any malfunction is found, remove theBase Station from service and tag for repair by authorized personnel.WARNINGIF THE LOW BATTERY INDICATION OCCURS ATANY TIME DURING REGULAR OPERATIONALINSPECTION, DO NOT USE THE RESPIRATOR.CHANGE ALL BATTERIES IMMEDIATELY ANDREPEAT THE REGULAR OPERATIONAL TESTOR TAKE THE RESPIRATOR OUT OF SERVICEUNTIL THE BATTERIES ARE CHANGED ANDTHE REGULAR OPERATIONAL TEST IS SUC-CESSFULLY PERFORMED. USE OF A RESPI-RATOR WITH DEPLETED BATTERIES MAYLEAD TO A FAILURE OF THE RESPIRATORWHICH COULD RESULT IN SERIOUS INJURYOR DEATH.WARNINGFOLLOW REGULAR OPERATIONAL INSPEC-TION PROCEDURE EXACTLY. IF THE SEMSPORTABLE UNIT OR BASE STATION DOESNOT OPERATE AS DESCRIBED OR IF ANYOTHER OPERATIONAL MALFUNCTION ISNOTED, DO NOT USE THE RESPIRATOR.USE OF A MALFUNCTIONING RESPIRATORMAY RESULT IN SERIOUS INJURY ORDEATH.
6DRAFT COPYUSE OF THE SEMS PORTABLE UNITUsers of SCOTT respirators equipped with the SEMS Portable Unitmust be fully trained in the operation of the equipment as part of acomplete respiratory protection program before entering a hazardousenvironment.RESETMANUALALARMWITHDRAWFIGURE 2THE PORTABLE UNITRESETBUTTON(YELLOWINDICATOR)MANUALALARM BUTTON(RED INDICATOR)RED SIGNALLIGHT CONSOLEDISPLAYGREEN SIGNALLIGHTWITHDRAWBUTTON (BLUEINDICATOR)1. Start-upa) Use of the SEMS Portable Unit begins when the user opensthe cylinder valve on the respirator to start respirator usage.The unit will sound three chirps to indicate activation.b) After a brief start-up sequence of less than ten seconds, thegreen light in the Portable Unit display will flash to indicateoperation of the Portable Unit. An alert tone, a “BE-doop” toindicate the system activity, is used for several functions. When-ever the alert tone occurs, the user should look at the PortableUnit display for information.WARNINGUSERS OF RESPIRATORS EQUIPPED WITHTHE PAK-ALERT EMS DISTRESS ALARMMUST BE AWARE OF THE PROPER OPERA-TION OF THE DISTRESS ALARM. IF THEGREEN LIGHT IS NOT FLASHING NORMALLY,OR IF THE UNIT EXHIBITS ANY OTHER SIGNSOF A MALFUNCTION WITHOUT THE USER TAK-ING PROPER CORRECTIVE ACTION, EMS MAYLEAD TO CIRCUMSTANCES THAT RESULT INSERIOUS INJURY OR DEATH.WARNINGUSERS OF RESPIRATORS EQUIPPED WITHTHE SEMS PORTABLE UNIT MUST BE AWAREOF THE PROPER OPERATION OF THEEQUIPMENT. FAILURE TO RECOGNIZE AMALFUNCTION OF THE SEMS PORTABLEUNIT AND TAKE PROPER CORRECTIVE ACTIONMAY RESULT IN SERIOUS INJURY OR DEATH.WARNINGTHE INFORMATION BELOW IS MEANT TO SUPPLEMENT, NOT REPLACE, THE INSTRUCTIONS,TRAINING, SUPERVISION, MAINTENANCE, AND OTHER ELEMENTS OF YOUR ORGANIZEDRESPIRATORY PROTECTION PROGRAM. SEE WARNING ON FIRST PAGE OF THIS DOCUMENT.
7DRAFT COPY2. Initialization and Rangea) After the start-up sequence, the Portable Unit will send an Ini-tialization signal to the Base Station to log in. The Base Stationwill respond by showing “ACK” for the identity assigned to thatPortable Unit.b) If the respirator user moves too far from the Base Station afterlogging-in, the Portable Unit will begin to display “RNGE” indi-cating out of range until the user moves back into the BaseStation field of operation (up to one-half mile line-of-sight).c) If the Portable Unit is too far away from the Base Station atstart-up, or if the Base Station is not powered up, the PortableUnit display will read “RNGE” right from start-up and not belogged into the Base Station. The Portable Unit will continuetrying to log-in to a Base Station until one comes into range oris powered up.d) Except for those functions which involve communication withthe Base Station, all other functions of the Portable Unit andPAK-ALERT EMS distress alarm are still operational when thePortable Unit is either out of range or not logged into a BaseStation.3. Air Supply Cylinder Pressurea) To check the air supply cylinder pressure, the user must pressand hold the RESET button on the Portable Unit. The approxi-mate pressure remaining in the cylinder will be shown in thedisplay as PSIG.b) When the cylinder reaches one-half of full pressure, the alertsound will occur and the Portable Unit will display “1/2 AIR” forten seconds.c) When the cylinder reaches one-quarter of full pressure, thealert sound will occur and the Portable Unit will display “LOWAIR”. A low air signal will be sent to the Base Station within tenseconds. This end of service time indicator (EOSTI) alarm can-not be silenced by the user until the user leaves the hazardousarea and shuts down the respirator. The Base Station operatormust press “ACK” on the Base Station to acknowledge theuser’s low air signal.4. Distress Alarma) If the user is in distress or becomes immobile, the PAK-ALERTEMS distress alarm will operate in conjunction with the Por-table Unit. If the distress alarm is activated, either by the userpressing and holding the MANUAL ALARM for at least twoseconds, or from the user being immobile for the required timeduration, the Portable Unit will send a distress signal to theBase Station. The distress alarm will override all other mes-sages and actions of the Portable Unit.b) When the Base Station acknowledges the user’s distress sig-nal by pressing the “ACK” button on the Base Station, thePortable Unit will respond by displaying “PASS” and continu-ing to sound the distress alarm on the respirator. The distressalarm will continue until the user shuts down the respirator.WARNINGTHE RESPIRATOR USER MUST IMMEDI-ATELY LEAVE THE AREA REQUIRINGRESPIRATORY PROTECTION WHEN ANEND OF SERVICE INDICATOR ALARMACTUATES. ACTUATION OF AN END OFSERVICE INDICATOR ALARM WARNSTHAT APPROXIMATELY 25% OF FULLPRESSURE REMAINS IN THE AIR SUPPLYCYLINDER (THAT IS, APPROXIMATELY3/4 OF THE TOTAL AIR SUPPLY HASBEEN USED). A DELAY IN LEAVING THEAREA AFTER ALARM ACTUATION MAYRESULT IN SERIOUS INJURY ORDEATH.
8DRAFT COPY5. Evacuationa) If the respirator users are required to leave the hazardous area,the Base Station operator can send an evacuation message tothe Portable Units of logged-in respirator users. This messagecan be sent either to all logged-in users or to selected logged-in users as chosen from the list on the Base Station.b) The Portable Unit will emit the alert sound and “EVAC” willappear flashing in the display.c) When an “EVAC” message appears on the Portable Unit dis-play, the respirator user must press twice the RESET buttonon the Portable Unit to respond to the evacuation message.“EVAC” will continue to appear in the display of the PortableUnit until the user leaves the hazardous area and shuts downthe respirator.6. Withdrawa) The respirator user may choose to leave the hazardous area.Pressing and holding the WITHDRAW button on the PortableUnit will send that message to the Base Station.b) When the Base Station receives a user withdrawal message,the operator presses the “ACK” button on the Base Station torespond.c) When the Portable Unit receives the acknowledgment re-sponse, the Portable Unit will display “W–D” until the respiratoruser leaves the hazardous area and shuts down the respira-tor.7. BatteriesIf the any of the batteries on the respirator needs replace-ment, the equipment will indicate as follows:– SENSOR MODULE – The PAK-ALERT EMS will sound asingle audible chirp from the sensor module once every 2 sec-onds and the green light on the control module will not flash.– CONTROL CONSOLE – "BATT" will appear in the displaybut all other functions of the SEMS Portable Unit will operatenormally.If any low battery condition appears at start-up, immediatelychange the batteries before use of the respirator. If a low bat-tery condition appears while the respirator is in use, theequipment will continue to operate for a period of time greaterthen the longest duration cylinder available for the respirator,but the batteries must be changed before the next use of therespirator. Refer to the battery changing instructions includedin the PAK-ALERT EMS distress alarm user instructions pro-vided with your respirator.8. Shutdowna) After leaving the hazardous area and confirming that respira-tor use is no longer required, doff the respirator according theuser instructions provided with the respirator.b) Close the cylinder valve.c) Press the RESET button twice.d) The Portable Unit will sound the alert tone and flash “OFF” inthe display. The Portable Unit is now off.WARNINGIF THE LOW BATTERY INDICATION OCCURS ATANY TIME DURING USE OF THE RESPIRATOR,THE BATTERIES MUST BE CHANGED BEFORETHE NEXT USE OF THE RESPIRATOR. USE OFA RESPIRATOR WITH DEPLETED BATTERIESMAY LEAD TO A FAILURE OF THE RESPIRA-TOR WHICH COULD RESULT IN SERIOUS IN-JURY OR DEATH.
9DRAFT COPYUSE OF THE SEMS BASE STATIONThe SEMS Base Station must be properly programmed before fielduse. See SEMS Programming Guide Scott P/N 89506-01 for com-plete details of SEMS programming.The SEMS Base Station requires batteries for operation. See theBATTERY REPLACEMENT section of this instruction. An optionalexternal power supply is available.The SEMS Base Station must be operated by a fully trained individualas part of a complete respiratory protection program. The BaseStation operator must have the ability to direct rescue operationsas needed.1. Start-upa) Press the POWER button on the Base Station to begin opera-tion.b) All Portable Units that were initialized before the Base Stationwas powered up will be logged-in as indicated by “ACK” regis-tered with the user’s identity.c) Any Portable Units initialized after the Base Station is poweredup will also be logged-in as indicated by “ACK” registered withthe user’s identity.d) The base station tracks the time for each Portable Unit fromlog-in until each respirator user leaves the hazardous area andshuts down their respirator.2. Evacuationa) To send an evacuation message to all logged-in respiratorusers, the Base Station operator must press and hold the“EVAC” button on the Base Station and then choose “ALL-CALL” from the menu on the display. The “EVAC message willbe sent to all logged-in respirator users.b) To send an evacuation message to only selected respiratorusers, the Base Station operator uses the scroll buttons to moveWARNINGTHE SEMS BASE STATION MUST BE MONI-TORED BY A FULLY TRAINED INDIVIDUALWITH THE ABILITY TO DIRECT RESCUE OP-ERATIONS AT ALL TIMES WHEN LOGGED-INRESPIRATOR USERS MAY BE IN A HAZARDOUSAREA. FAILURE TO PROVIDE A PROPERLYTRAINED BASE STATION OPERATOR MAYPERMIT A SITUATION TO OCCUR WHICHCOULD RESULT IN SERIOUS INJURY ORDEATH.DIGITAL DISPLAY WINDOWCLEAR ACKPOWER EVACFIGURE 3BASE STATIONPOWERBUTTONNORMALACKNOWLEDGEBUTTON SCROLLBUTTONSEVACBUTTONCLEARBUTTONMENU ALARMMENUBUTTONALARMLIGHTEXTDCOUT OFRANGE LOWBATT
10DRAFT COPYup and down the list of logged-in respirator users and pressesthe “EVAC” button when the selected users are highlighted inthe display.c) The respirator users who receive the “EVAC” message mustpress the RESET button on the Portable Unit to acknowledgethe message.d) The Base Station listing of logged-in users will display “CONF”with each respirator user who has responded to the “EVAC”message.3. Air Supply Monitoringa) When the air supply cylinder reaches one-quarter of full pres-sure, the alert sound will occur and the Portable Unit will display“LOW AIR”. A low air signal will be sent to the Base Stationwithin ten seconds. This end of service time indicator (EOSTI)alarm cannot be silenced by the user until the user leaves thehazardous area and shuts down the respirator.b) The Base Station operator must press “ACK” on the Base Sta-tion to acknowledge the user’s low air signal.
11DRAFT COPYBATTERY REPLACEMENTBattery replacement for the Portable Unit is detailed in the Operationand Maintenance Instructions for the PAK-ALERT EMS as installedon the AIR-PAK respirator. Those instructions are as follows:– for PAK-ALERT EMS installed on AIR-PAK 2.2/3.0/4.5/Fifty:See Instruction P/N 89501-01Battery replacement for the Base Station is as follows:1. Place the Base Station in a clean, nonhazardous area. Verifythat the unit is not in use and is OFF.2. Set the Base Station with the control panel face up and the bot-tom of the unit accessible.3. Remove the three (3) battery caps from the battery compart-ments by unthreading them counterclockwise. See FIGURE 4.4. Remove the six (6) depleted batteries.5. Install six (6) fresh new “C” cell batteries. Use six (6) of thefollowing: Duracell MN1400, or Eveready Alkaline No. E93 orEN93. Be sure orientation of batteries is as noted on labels in-side the battery compartments.6. Replace the three (3) battery caps by threading them on clock-wise.7. Power up the Base Station and perform the REGULAR OPERA-TIONAL INSPECTION as defined in this instruction.MAINTENANCEExcept for programming and battery changing, there are no serviceoperations or user serviceable parts available to the user.WARNINGFAILURE TO REPLACE THE BATTERIES AND/OR CONTINUING WITH MULTIPLE USES OFTHE SEMS EQUIPMENT AFTER THE LOWBATTERY CONDITION HAS BEEN INDI-CATED MAY RESULT IN FAILURE OF THESEMS ACCOUNTABILITY SYSTEM DURINGUSE WHICH COULD LEAD TO SERIOUS IN-JURY OR DEATH.FIGURE 4BATTERY COMPARTMENTS ON BASE STATIONBATTERYCAPS (3)BATTERY ORIENTATIONLABELS
12DRAFT COPY89502-01 Rev - 10/02 Printed in USAHealth & Safety ProductsMonroe Corporate CenterPO Box 569Monroe, NC 28111Telephone 1-800-247-7257FAX (704) 291-8330www.scotthealthsafety.comNOTICE:THESE USER INSTRUCTIONSARE TO BE REMOVED ONLYBY THE END USER.

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