Monark 839 User Manual
Contents
1. 1 Check at the bottom of the flywheel that the brake belt is loose If not move the pendulum up to 3 kp and hold it for a few seconds Move the pendulum to the zero position again Check that the brake belt is loose 2 Align the force scale with zero marker on the pendulum Refer to section Meter Board Zero Adjustment for details 3 Press key 5 in the main menu Calibration and follow the display instructions a Hold the pendulum at 0 position and wait for one beep a Hold the pendulum at 2 kp position and wait for one beep a Hold the pendulum at 4 kp position and wait for one b Move the pendulum to the 6 kp position as told in the display Hold it in position and wait for two beeps short after each other Lower the pendulum to the resting position O marking Calibration is done The calibration coefficient which has been calculated by the computer is stored in the continuous memory Whenever power is applied to the ergometer the latest calibration value is restored to maintain memory A new calibration replaces previous values Generally it is not necessary to recalibrate the ergometer often The coefficient is maintained even when power is removed and the physical orientation of the frame within the limits of normal riding has no effect on the electrical calibration Recalibration should be preformed following any service component replacement or transport of the unit or after2. Move the pendulum to 4 kp and keep it there for a few seconds check that the belt is loosened If adjustment is necessary loosen first the lock nut and thenchange the position of the adjusting screw so that the meter panel will have its 0 in line with the index of the weight Tighten the lock nut after the adjustment Brake belt Meter panet Weight 5 1 BRAKE BELT CONTACT SURFACE AND BRAKE BELT Deposits of dirt on the brake belt and on the contact surface may cause the unit to operate unevenly The brake belt contact of the flywheel surface should then be ground off with a fine abrasive cloth see fig and any dust be removed with a clean dry cloth Remove the brake belt at the belt tensioner before the grinding See below Grinding off any build up of dust etc is easier a second individual cautiously pedals the cycle Irregularities on the brake belt contact surface are also removed by means of a fine abrasive paper or an abrasive cloth Otherwise unnecessary wear on the brake belt may occur and the unit can become noisy We recommend you to replace the brake belt when cleaning the contact surface See below Always keep the brake belt contact surface clean and dry No lubricant is allowed to be used REPLACEMENT OF BRAKE BELT Loosen the brake belt at the spring Loosen the screw 4 pcs for the upper cover Remove the cover Hold the pendulum above the 7kp marking so the screw for th
3. 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 300 ora ae oon non nn in in i i DODD 375 O eS SS 450 525 mah 600 675 750 Prediced V02 Max l m from Heart Rate amp Workload kpm min Males HR 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 ora sae oa on O ora ses oan nn nn i in i i O YMCA PROTOCOL Y S WAY TO PHYSICAL FITNESS The YMCA protocol is based on the Y s Way to Physical Fitness bicycle test The design is a submaximal test using branching multiple workloads in which the next workload is determined by the steady state heart rate elicited by the previous level For details refer to the Workload Branching tables later in this section Every three minutes the workload is advanced until the subject has completed three levels requiring a total of nine minutes If the subject has an abnormally high heart rate response to the initial
4. 30 53 150 46 0 50 0 19 1 1 3 1500 kpm min 04 00 51 153 46 0 58 0 18 3 14 1500 kpm min 04 30 52 154 48 0 67 0 19 8 1 6 1500 kpm min 05 00 53 155 46 0 75 0 19 0 1 7 1500 kpm min 05 30 54 157 46 0 83 0 19 5 1 8 1500 kpm min 06 00 57 156 43 0 92 0 20 4 2 0 1500 kpm min Measured heart rate BPM 156 Calculated maximum V02 Max 49 4 ml kg min 4 05 l min 4 2 PROTOCOL OPERATION A protocol operation cycles the ergometer through a predefined workload sequence automatically The protocol may be designed to alter the workload according to time or a physiological response such as heart rate Several of the protocols may be modified or customized by the user to suit specific needs The programmed sequence of workload may be set to provide a varying workload The rate of change of the workload may be specifically set in some protocols Still other protocols may exercise the subject to a maximum or submaximal effort to determine an index of fitness oxygen consumption A protocol may terminate based on the passage of time or the satisfaction of a specific physiological con ditions such as a steady state heart rate For details refer to the specific protocol operation description At the conclusion of a protocol a summery is printed if the optional external printer is installed This report includes various identification data the protocol name the subjects age weight sex In addition test re sults are printed including the predicted
5. Command Reference Manual from Monark Exercise AB Sweden 4 20 MECHANICAL REFERENCE CALIBRATION OF PENDULUM WEIGHT Remove the cover from the flywheel Loosen the balancing spring from the brake belt Check that the 0 index of the scale is in line with the index of the pendulum weight Adjust if needed NB Wait until the flywheel is not moving any longer Attach a known weight e g 4 kg our ref No 9000 211 where the balancing spring was placed Note The weight should not be lighter than 3 kg due to the possi bility of inferior accuracy When correctly set it should be possible to read this weight from the corresponding place on the meter panel pee Should there be a deviation adjust the pendulum to the correct po Calibration 4kg sition on the scale weight 4 kg by means of the adjusting weight In order to change the position of the adjusting weight loosen the lock screw of the weight Should the index of pendulum weight be too low move the ad justing weight upwards into the weight Should the index be too high the adjusting weight is moved somewhat downwards and locked in the new position This procedure is repeated until Adjusting weight the correct reading is achieved Check the calibration of the pendulum weight once a year or when needed Lock screw 7 Assemble the front cover again Lock nut ZERO ADJUSTMENT OF METER PANEL
6. However it is possible to take a look in advance at a program Do as under Edit an existing program If it says stop in work load position ther is no program stored under that number Use ESC key and try with a new number 4 16 18 1 Setup 2 Language 3 Exit SETUP Pedal ref Pulse alarm Optical pulse Optical metronome Print report Weight unit Distance unit Logg interval LANGUAGE SYSTEM MENU Fitness test Aork test Seq programs 1 Analog coniro 4 2 3 al ibrat ton 6 System setup 99Service hidden Metronome setting Default setting lt 65 gt rpm on off on off Pulse indication in the middle section of the rom bar on off NOTE If both opti pulse and optic metro are set to on only optic pulse will be set to on on off Test report to printer When running fixed protocols the printer is automatically set to on Can be set to 0 Weight unit 1 pounds 0 z lt 0 be set to 0 1 miles Distance unit 0 km 1 miles Time delay for every printout row 1 655 seconds be set here Default setting lt 15 gt sec 1 English 2 Swedish 4 17 SERVICE MENU 99 hidden 1 Adjust pot potentiometer If any service regarding the pendulum has been done the correct potentiometer position can be checked here Follow display instructions 2 Calibrate pot After adjusti
7. Spacer Axle nut Loosen the brake belt at the belt tightener Loosen the lower chain guard attachment Take away the screw for the two chain on the right side and the front cover on left side Loosen the saddle post screw some turns so the cover can be lifted up about 10 mm To loosen the back chain guard push it backwards Dismantle the chain as described Loosen the axle nuts and lift off the wheel Remove the axle nut washer chain tensioner and spacer on the freewheel side Place the remoter part No 9400 14 in the adapter and place the spacer and axle nut outside Note No not tighten the axle nut completely It must be possible to loosen the adapter Replace sprocket adapter and assemble again in reverse order according to above points 5 4 LUBRICATION SPROCKET The sprocket should be lubricated with a few drops of oil once or twice a year Incline the cycle somewhat to make it easier for the oil to reach the bearing FLYWHEEL BEARING The bearing in the flywheel are lifetime greased and required normally no maintenance If a problem arises please contact your Monark dealer REPLACEMENT OF CRANK SENSOR OR DUST CAP WITH MAGNET Remove left pedal Loosen the lower chain guard attachment Take away the screw for left guard back Note To loosen the guard push it backwards Loosen the crank bearing stop nut on the left side of the ergometer using a special tool part No 7099 Note The stop nut has a left
8. exhibit a relatively stable resting heart rate prior to starting the protocol 3 3 HEART ELECTRODE BELT AND EAR PLETHYSMOGRAPH The subject s heart rate can be monitored by chest belt telemetry system or by an ear clip which measures heart rate by light transmission through the ear Only the system with chest belt electrodes is standard equipment The ear sensor system is an option Telemetry system chest belt with transmitter The chest belt should be secured at a comfortable tension around the mid section just below the breasts Moisten the electrodes before use Heart rate monitoring free from artifact requires good electrode contacts and adequate skin preparation Prior to placing the electrodes the subjects skin at the electrodes sites should be cleaned with one of the commercial skin prep solution After the chest belt is placed the heart rate will be displayed and the heart will verify each beat If the RPM bar is set to show optical heart beat in the middle section this will also verify each heart beat NOTE Elektromagnetic waves can interfere the telemetry system Cellular phones are not allowed to be used near the bike during test If the ergometer is to be used without chestbelt note that max heart alarm should be set in off position so that external noise can cause a random max pulse or higher This switch is in on position by default If the heart rate exceeds the maximum level set the alarm will sound an
9. flywheel a belt braking device and a force measuring pendulum assembly Pedals and a chain drive are provided to spin the flywheel as a tension device tightens the belt to regulate the braking force applied to the wheel The pendulum indicates the applied force directly on the scale located on the right side of the flywheel The computer system consists of one main unit and one terminal The main unit reads in the pedal speed the applied force and determines the subjects heart rate by a chest transmitter or an ear plethysmograph Additionally the base controller activates motor to adjust the tension of the belt thereby regulating the ap plied braking force The force may be automatically varied in response to changes in pedal speed to main tain a constant power workload The terminal the remote or hand held controller communicates with the operator via a keyboard and dis play system The operator instructs via a menu system the terminal to perform certain work functions which are in turn sent to the main computer The interaction between the computers is bidirectional pro viding control instructions to the main computer and simultaneously providing speed force heart rate and timing information to the terminal hendheld HOW TO USE THIS MANUAL The manual is divided into several sections Initially the section entitled Getting Started should be read to establish some basic operating principles of the ergometer This chapter enables
10. hand thread Loosen the stop nut completely and replace dust cap with magnet Assemble the crank bearing stop nut and adjust the bearing as described To replace the crank sensor loosen the screw so the cover can be disassembled Loosen the screw for the crank sensor and replace the crank sensor with cable After that assemble the disassembled parts as above but in reverse order 5 5 N Crank bearing with magnet stop nut APPENDIX OPERATION INTERFERENCES It is normally considered that about 70 of all shutdowns on small computers is caused by mains interferences i e at shot over voltage These interferences can often be caused by different machinery which is stared or stopped The processor in the computer is then reacting incorrectly or is not working at all The problems can be solved by means of a mains interference protector which is connected between the mains and the transformer TROUBLE SHOOTING GUIDE Symptom No Display Display lights up but does not respond to keyboard Does not load work No heart rate No RPM reading Unable to calibrate force Uneven HeartRate 6 1 2 ERROR MESSAGES Message Test Aborted Probable Cause Corrective Action Check that transformer is plugged into proper voltage AC outlet and that the power connector is plugged into the 839 controller Turn off power wait 10 seconds and reapply power Check RPM no force is applied if RPM is less than the
11. maximum heart rate the actual steady state heart rate the maxi mum workload and the 02 V02 maximum is expressed both as a total body usage in I minute and per kg of body weight in ml kg minute If a printer is not available only the V02 max data both in l min and ml kg min are displayed The interpretation and meaning of the V02 max data is specific to the design of the particular protocol Certain protocols are simply programmed exercise and therefore are not de signed to measure 02 Please refer to the specific protocol description prior to attaching any significance to the reported value The computer controller for the 839 Ergometer can preform different protocols in addition to strict manual operation Four protocols have been preset and 2 are partly preset Several preprogrammed protocols measure oxygen consumption at steady state the Astrand using a single workload the YMCA using multiple branching workloads YMCAs Way to Physical Fitness bicycle test and the Bruce and Naughton using multiple increasing workloads treadmill protocols adapted to bicycles ergometry Addi tional preprogrammed protocols not designed to measure V02 provide timed increasing workloads ramp and incremental and a heart rate training program in which a target heart rate is set and the ergometer attempts to maintain the target rate by varying the applied workload accordingly All protocol operations enable the heart alarm feat
12. pedal low ref Default 30 RPM Check calibration Electrode skin preparation may be poor see electrode placement section The bulb in the ear clip may have failed or there may be a cable failure Check cable Potentiometer belt may be slipping or broken Replace if damaged Potentiometer misadjusted Reboot memory from service menu 99 Set default 3 The telemetry syatem can be interfered by electromagnetic waves NB Do not use cellular phones ner the bike during a test Reason An automatic protocol operation has been stopped prematurely No results are available 6 1 REFERENCES 1 Astrand aerobic work capacity in and women with special reference to Acta Physiol Scand 49 suppl 169 1960 Astrand P O Experimental studies of physical working capacity in relation to sex and age Munksgaard Copenhagen 1952 Astrand P O Rodahl K Textbook of Work Physiology McGraw Hill New York 1970 Bruce RA Kusumi F Hosmer D Maximal oxygen intake and nomographic assessment of functional aerobic impairment in cardiovascular diseases Am Heart J 85 546 562 1973 Naughton J Exercise Testing and Exercise Training in Coronary Heart Disease Academic Press New York 1973 Golding LA Mayers cr Sinning WE The Y s way to physical fitness YMCA of the USA Rosemont IL 1982 Wilson PK Bell CW Norton AC Rehabilitation of the heart and lungs Beckma
13. result NOTE The final heart rate must be within the range for the sex and workload below otherwise ERROR HR LOW HI result Males Females Workload Heart Rate Workload Heart Rate 300 118 140 300 118 148 450 118 160 375 118 158 600 118 170 450 118 170 750 118 170 525 118 170 900 118 170 600 120 170 1050 120 170 675 120 170 1200 120 170 750 120 170 1350 124 170 825 120 170 1500 130 170 900 128 170 The maximum oxygen consumption is obtained through the look up of the steady state heart rate work load the appropriate male or female table of Predicted V02 Max from Heart Rate and Workload This esti mate is then multiplied by a factor which is related to the age of the subject The factor is found in the following table according to the predicted maximum heart rate V02 Correction Factor Maximum HR Factor over 200 1 12 191 200 1 00 181 190 0 93 171 180 0 83 161 170 0 75 151 160 0 69 less than 151 0 64 Instruct subject about the protocol and adjust the chest belt for reliable pulse Setup subject data according to the menu See menu Astrand test Select ASTRAND and push key 3 start 4 6 Predicted V02 Max l m from Heart Rate amp Workload kpm min Females HR 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
14. setting to default in the service menu 99 A daily validation of the pendulum force sensor should be preformed If the procedure reveals an error recalibration may be necessary Check of the electronic calibration can be done as follows From main menu go to any of the test displays shoeing newtons N Move the pendulum to 4 kp 39N This position shall now be read in the display If not perform a new calibration NB After this check the brake belt will be loose which means that the first time the ergometer is used after calibration it it will take a few seconds before normal workload is obtained 3 2 PREPARATION FOR TESTING The versatility of the 839 Electronic Ergometer enable it to be utilised in a variety of testing environments The precision and reproducibility of measurements made with the ergometer in conjunction with the ease of testing allow it to be employed in clinical exercise stress facilities corporate fitness programs and health clubs The backgrounds of both the individuals being tested and those administering the test may be vastly different in these widely varying testing situations In general whether in a clinical laboratory or a health club the subject may be exercised quite strenuously depending on workloads which have been selected As a precaution it may be advisable prior to beginning an exercise protocol that each subject consult with a physician Before testing the operator should review the enti
15. step work increments Operation is similar as well exept that the protocol may not be advanced or retarded Instruct subject about the protocol and adjust the chest belt for reliable pulse Follow menu instructions and start test 4 14 SEQUENS PROGRAMS USER DEFINED PROTOCOLS The operator may custom design his own exercise protocols and store them in computer memory This extra ordinary feature makes it possible to provide 10 additional protocols which may be setup as special purpose readily avilable protocols These protocols may be power or force type time based designs This flexibility enables the user to program severall versions of the hills and valleys increasing and decreasing workload type of exercisees and or modifications to the Bruce Naughton type protocols or different types of incremental work tests The possibilities are virtually limitless Main menu 3 Seq programs 1 Execute 2 Edit and 3 Exit Make new program Begin with 3 Seq program in the main menu and choose 2 Edit Choose new program by just pressing Enter The display looks as below ie Program number Row number Type of workload Marker Workload level Increment time The marker arrow in the display indicates which position can be edited When creating a new program begin to change stop to desired workload This is done by the keys 1 5 Key 1 Newton key 2 kp key 3 watts key 4 kpm min and key 5 ml kg min Key 0
16. the user to assemble and check out the ergometer through some very simple procedures Once the user is confident in the elemental operation of the ergometer reading should continue with section Testing with the 839 Ergometer This introduces the procedures for using the programmed portions of the ergometer the protocols Prior to reading the sections about the computer and protocols the user should briefly read though the portions concerned with the mechanical maintenance of the ergometer the Mechanical Reference This section describes periodic maintenance and repair techniques Reading of this section is suggested so that the user is aware of the proper maintenance philosophy at an early date rather than after a component failure Finally the section Computer Reference should be tackled The reader is advised to skim this section on the first exposure due to the depth of the material presented To avoid confusion hands on learning is probably the best technique after the initial reading The reader should try depressing the keys as indicates in the examples The user need not to be concerned with the completion of a protocol Learning how to make the ergometer do what is desired is more important at this time The proper setup of the test should be the users focus Once the user feels comfortable with the basic operation of the ergometer simple exercise should be performed The user should attempt to attach a chest bel
17. with two simple exceptions the stages are two minutes in duration instead of three and the incremental V02 between stages is linear 3 5 ml kg min The stages represent discrete oxygen consumption levels generally referred to as METS The stages of Naughton protocol are as follows Stage Stage Stage Il Stage Ill Stage IV Stage V Stage VI Stage VII Stage VIII Stage IX Speed mph WWWNNNNDND PP Grade 0 2 5 7 10 14 17 5 12 5 15 17 5 V02 ml kg min 7 0 10 5 14 0 17 5 21 0 24 5 28 0 31 5 35 0 The operation of the protocol is otherwise identical to the Bruce protocol Instruct the subject about the protocol and adjust the chest belt for proper heart rate Then follow Naughton menu 4 11 MANUAL USE Begin to put in personal data like sex weight age and max heart rate Workload Force setting The workload can be set in Newtons N or kp Power is in this mode depending on the pedal rpm Workload can be increased or decreased with keys 7 4 8 4 and 9 5 Key 7 4 increase decrease step 1 00 kp or 10 Key 8 5 increase decrease step 0 10 kp or 1 N Key 9 6 increase decrease step 1 00 kp or 0 1 N Press start stop when finished Increase Decrease Workload Power setting Power level can be set in watts or kpm min Power level is not depending on pedal rpm Key 7 4 increase decrease step 100 watts or 100 kpm min Key 8 5 increase decrease step 10 watts or
18. work load 100 bpm or more the test is terminated at the end of the second level If the operator senses that the subject is experiencing difficulty completing the third level of the protocol the START STOP key may be used to conclude the test early If the test is stopped prior to the completion of the second level an error message is displayed indicating that the test was aborted and no calculation of 02 max is possible At the conclusion of the test estimates of the V02 max and the maximum workload are extrapolated from the data collected during the previous two levels The V02 max is reported on the display and the maximum work load contained in the report available only if the optional external printer is installed YMCA protocol Instruct subject about the protocol and adjust the chest belt for reliable pulse Setup subject age maximum heart rate weight and sex according to menu Select YCMA protocol Protocol operation may be terminated by depressing START STOP 3 Completion The protocol will terminate automatically under two circumstances a nine minutes 3 levels have been completed or b six minutes 2 levels have been completed and the heart rate elicited by the first level was 110 bpm or more In addition START STOP may be used to end protocol operation after six minutes if the subject is having diffi culty 4 9 BRUCE PROTOCOL Bicycle ergometers measure total oxygen consumption relatively indep
19. 0 1120 mm 31 5 4477 Wegiht 55 kg 112 Ibs WHERE TO OBTAIN ADDITIONAL INFORMATION The user may require more information concerning several areas of the ergometer usage This manual was intended to instruct the reader primarily in the operationof the ergometer Reference are made to re lated topics in the discussions concerning the testing procedures and the protocol operation sections The following readings may provide some greater insight to ergometer based testing without confusing the reader with extremely technical medical terms Both texts were written specifically to provide basic under standing of the testing methodology and results Attention is paid to details concerning program setup and management Golding LA Myers CR Sinning WE The y s way to physical fitness YMCA of the USA Rosemont IL 1982 Astrand P O Work Tests with the Bicycle Ergometer Monark AB Varberg Sweden For more technical details see the section entitled Appendix Reference 1 2 GETTING STARTED Monark 839 Final Assembly Instructions READ THESE INSTRUCTIONS PRIOR TO ASSEMBLING THE ERGOMETER Assemble the supporting legs pedals saddle and handlebar as specified under Assembly Instruction Remember to remove the transport tape on the pendulum INSTALLING OPTIONAL EQUIPMENT The 839 Electronic Ergometer interfaces to several optional devices A parallel interfaced printer may be attached to provide written reports A ter
20. 0 86000 Fax 463 40 80485 PREFACE Congratulations on your decision to purchase a product manufactured by Monark Exercise AB in Varberg Sweden Monark has been the worlds leading manufacturer of high quality ergometer and exercise cycles for more than 35 years The Monark 839 Computerised Ergometer is built on the world famous model 818 mechanical ergometer equipped with a microcomputer workload controller The perfect balance of a straight forward mechanical design and a sophisticated microcomputer assures the owner of the complete validation of the 839 s performance As with all other technical products your Monark exercise equipment needs regular maintenance With minimal care you will avoid unnecessary repairs and have years of dependable trouble free performance from your purchase WARRANTY As on any quality product there may be an exceptional fault due to material or manufacture If such a fault should arise on your ergometer please return to place of purchase for necessary repair Monark products and parts are guaranteed against defects in material and workmanship for a period of one year from the initial date of purchase of the unit Please note Monark will provide a transformer Should you choose to utilise your own transformer you must assume all responsibility in the event of improper wiring which could result in burnt out electronics NB If the power cord from the wall outlet to the transformer is not correct an
21. 10 kpm min Key 9 6 increase decrease step 1 watts or 1 kpm min Press start stop when finished Workload VO2 This is also a type of power setting The advantage in this mode is that the workload can be set in ml min kg which means that the power is related tothe subjects bodyweight A certain level of ml min is always the same as a given power level See tabel in chapter Testing general Key 7 4 increase decrease step 10 ml min kg or 1 l min Key 8 5 increase decrease step 1 ml min kg or 0 1 l min Key 9 6 increase decrease step 0 1 ml min kg or 0 01 l min Press start stop when finished 4 12 Workload HR related The Heart Rate program is designed to adjust the workload in an attempt to maintain a desired heart rate This is achieved by increasing the workload from zero at the start using incremental steps How fast the power is adjusted is depending on howfar away the actual heart rate is from the desired heart rate at heart rate lower than the desired setting the workload will increase with 60W 375 kpm min per minute until the subjects heart rate is higher than 75 of the desired heart rate The power will then increase at 30 watts 180 kpm min per minute antil the actual heart rate is within 5 bpm from the desired value The power is kept at a constant level as long as the subjects heart rate is within 5 bpm from the programmed heart rate value increment The work test continues until the it is stoped by the
22. 9 ERGOMETER PERFORMANCE VALIDATION The 839 is a mechanically weighted and braked ergometer making performance validation a simple pro cedure The work performed on the ergometer is the product of the weight lifted times the numbers of revolutions factored Validation includes both mechanical and electronic procedures If the ergometer fails to pass any section of the validation proceed to the calibration and or service menu 99 in the main menu Inspection of all mechanical components is suggested after any repair component service Once per year the following validation should be performed Pendulum Weight Remove the cover from the flywheel Loosen the brake belt at the balancing spring Wait until the flywheel is not moving any longer The pendulum weight index should be aligned with O the scale Attach the calibration weight to the point at which the spring was attached The known weight should match the value on the scale If not see section Calibration of Pendulum Weight 7 Reattach the tension belt 8 Reassemble the cover Proceed to the validation to complete Validation The following procedure will assure the user that the ergometer is performing properly on a daily basis The test exercises the mechanical braking pedalling and speed detecting systems as well as the compu ter regulation and sensing capability of the mechanical system Additionally if a
23. BJECT SUPERVISION The ergometer performs automated tests virtually by itself requiring minimal intervention by the operator This allows the operator to pay careful attention to the subject without distraction The response to the exercise protocol an be accurately estimated and appropriate action to assist the subject if necessary may be given The rider is subjected to considerable exercise in certain advanced protocol stages The effect on the subject should not be underestimated During the testing the general appearance and heart rate may be the most crucial factors to monitor The testing should be stopped immediately if the subject reports chest pain difficulty breathing etc A system of prompt medical attention should be set up prior to testing in case of emergency 3 4 The subject may also show difficulty in regulating the speed of the ergometer The power will be properly regulated regardless of the speed assuming that the protocol work type is not force and that the speed is maintained above the pedal low setting default is 30 RPM In addition some subjects may become sensitive to the display on the handheld remote controller If this is suspected the controller may be removed from its cradle and located out of view Similarly the pulse LED may disturb the subject and may be disabled REVIEWING RESULTS The maximum oxygen uptake is the standard measurement of cardiopulmonary fitness Dependent on the linear relationshi
24. Calibrate pot 3 Set to defaul 4 Printer Mo tor 6 Service setup 7 LCD back ight 8 Analog setup 9 Unlock 0 Exit 99 dj 1 Adjust pot to 10 100 0040 Pre NTER 99 2 Calibrate brake Calibrate brake alibrate brake Catibrate brake Hold at 0 kp Hold at 2 Hold at 4 kp Hold at 6 kp one beep one beep one beep two beep op margins Left margin Page length colums _ _ 9 _ 1 tor 7 Motor forward 8 Motor backward 2 STOD 0 Exit 99 6 Pedal ref RPM lt 65 gt _ Cykelkonst Max accepted Weight unit multiplier pulse deviation 0 kg 1 00 _ BPM lt S gt _ 1 pounds Distance unit Opt pulse 0 1 1 miles 0 off lt Sound metronome lt BEL gt pulse lt BEL gt metronome Pulse check 1 0n 1 0n 120n _ 1 0 0 off 7 0 off 7 0 off 0 off 4 z lt 0 SD 99 7 LCD back t ight Adjust up down TER Press 4 5 ASTRAND PROTOCOL The Astrand protocol is designed to determine maximal oxygen consumption by exercising the subject at a submaximal workload and measuring the steady state heart rate The workload in conjunction with the result ant heart rate is compared to the predicted relationship adjusted for age and sex and a maximal oxygen con sumption is computed The protoco
25. Monark 839 User Manual MEC3V11n Monark Exercise AB Sweden Eng edit 1 MEC3V11Rn Terminal BT2V1 Edit 1 CONTENTS 0 General Warranty Assembly Instruction 1 Introduction Overview How To Use This Manual Specifications Where To Obtain Additional Information 2 Getting Started Final assembly Installing optional equipment Initial Operation 3 Testing With the 839 Ergometer Performance Validation Calibration Electronics Preparation for Testing Heart Rate detection Subject Supervision Reviewing Results 4 Computer Reference Main Display Keyboard Layout RPM display and Visual metronome Pulse Printer printout Testing General Menu system overview Protocol Operation Astrand YMCA Bruce Naughton Manually Force reg power reg VO2 reg HR reg Work test Increment Ramp Create seq programs System menu Service Menu External Interface 5 Mechanical Reference Calibration Pendulum Weight Zero Adjustment Meter Panel Brake Belt Contact Surface and Brake Belt Replacement of Brake Belt Pendulum Weight Bearing Chain Crank Bearing Replacement of the Freewheeling Sprocket Flywheel Bearing Replacement of Crank Sensor 6 Appendix Operation Interfaces References CUSTOMER SERVICES If technical assistance is required please contact your MONARkK dealer MONARK EXERCISE AB S 780 50 VANSBRO SWEDEN 46 281 594940 Fax 46 340 71981 MONARK EXERCISE AB S 432 82 VARBERG SWEDEN 46 34
26. Stop which is used to end the program Example Choose i e kp key 2 and press Enter The marker turns to the right where workload level can be set Type say 1 5 and Enter Marker moves to position seconds Enter say 300 5 minutes Marker moves up and indicates row number Press Enter and number increases automatically one step Marker moves to type of workload again The same as before is set by just pressing Enter A change can be done by pressing key 1 5 until the right type of workload shows up and then press Enter Marker moves to workload level Enter level Enter seconds a s o until the program is long enough When the program is to be finished move the marker to point at type of workload and change with key 0 which is Stop and then press Enter Programming is finished and program number 0 9 must be Entered Back to menu again NOTE If a figure already containing a progarm is used this will erase the old program 4 15 Edit an existing program Press 2 Edit Choose program number Step through the program with the Enter key and make desired changes Then go to workload setting and change to Stop key 0 and then press Enter NOTE After editing an old or new program turn off the computer for correct dowload of data Execute program Begin with 3 Seq programs in the main menu and then 1Execute Choose an existing program and press Enter It is recommended to have a note about different program types and numbers
27. ative fitness index can be obtained from the following tables Fitness Rating Index Males Fitness Rating Index Females Maximum Oxygen Consumption Maximum Oxygen Consumption ml kg min ml kg min Rating vs Age Ranges Rating vs Age Ranges 36 yrs 36 45 yrs 45 yrs 36 yrs 36 45 yrs 45 yrs Excellent 54 53 43 Excellent 55 49 46 Good 49 45 38 Good 45 43 38 Above Av 46 39 34 Above Av 39 37 32 Average 36 33 30 Average 34 33 27 BelowAv 32 29 27 Below Av 30 29 24 Fair 28 25 24 Fair 26 26 20 Poor 24 23 20 Poor 20 22 18 See also table 7 in Work tests with the Bicycle Ergometer by P O Astrand reference 6 3 8 3 5 COMPUTER REFERENCE TERMINAL MAIN DISPLAY on the terminal 1 Fitness test 2 Man Work test 3 Seq programs 4 Analog control See also Menu System Overview KEYBOARD LAYOUT Used keys Key 1 9 menu chice and numeric input Arrow key up down scroll function Dot key decimal input Del key delete function Enter enters input Special function during fixed protocols Key 9 increase step on force power level Key 6 decrease step on force power level Key 3 start stop program Key 7 8 9 increase level Key 4 5 6 decrease level RPM DISPLAY and VISUAL Metronome Pulse on the bike METRONOME the two green LED bars in the middle flashes once per pedal stroke preset rate The two green LED bars in the middle can also be set to show pulse Makes then one flash for every heart b
28. calibrated ECG simulator is available it may be used to verify the heart rate measuring system Whether the simulator is used or not the heart rate system may be validated by simply taking a pulse point rate measurement at the neck for example While a patient is at rest and has been prepared for chest belt electrodes or an ear sensor the pulse indicator flashes once per pulse beat The displayed rate should agree with the manually detected pulse rate If not check the patient electrode connection and skin preparation prior to requesting service Force From main menu go to any start display with newtons N 1 With the pendulum at zero the display should read 0 2 Move the pendelumweight to the 4 kp position and the display should read 39 Newtons 3 Decrease the position of the weight by steps of 1 kp The display should read correctly at all positions NB After this check the brake belt will be somewhat loose and because of this it will take a few seconds before normal workload is obtained the first time the ergometer is used Power Power calculation 1 RPM 6 mon the flywheel brake surface 50 rpm 300 m 2 kp force makes 2 x 300 600 kpm min 100 rpm 600 1 kp force makes 1 x 600 600 kpm min 3 1 CALIBRATION ELECTRONICS Calibration is necessary to match the mechanics of the ergometer to the electronics of the computer The following steps are required to recalibrate the electronics to the pendulum scale
29. d approved in the country used you must find one that is approved for your own country Parts found to need replacement due to normal wear and tear such as brake belts are not covered This guarantee covers parts only not labour costs associated with the repair This guarantee does not apply to cases of abuse or vandalism nor does it extend to any injury or loss to person or property caused directly or indirectly by any Monark products In the event of a defect in material or workmanship during the warranty period Monark will repair or replace at its option the product Monark will do so at its expense for the cost of materials but not for labour or ship ping SEE YOUR PHYSICIAN FIRST Before you begin exercising you should have a complete medical examination Your physician will probably give you a go ahead Even persons with serious organic disorders including many heart attack victims are able to exercise under carefully prescribed conditions However if you have a history of cardiorespiratory problems or if you have reason to suspect the existence of such a problem it s a good idea to have an exercise or stress electrocardiogram ECG It will help your physi cian detect any complications that might be provoked by prolonged strenuous exertion In addition if you have had any recent surgery or muscle joint or back problems always consult your physician first 0 1 PARTS BELOW ARE NOT ASSEMBLED Pedal pair Fro
30. d the ergometer braking force will decrease until the heart rate drops below the alarm level Ear Plethysmograph ear clip sensor Not standard equipment Can be baught as an option part no 9303 93 9339 64 The ear plethysmograph was designed for those applications in which heart rate is desired for simple monitoring purposes The technique may provide excellent heart rates for some individuals while others may fail to indicate at rest or after moderate exercise depending on peripheral circulatory function room temperature smoking and many other variables Basically if the pulse display is in agreement with neck pulse point throughout the session the heart rate is valid The device plugs into the connector at the handlebar stem Once plugged in a small IR infrared light is illuminated in the ear clip The opposite side contains a light sensitive cell The device is then placed on the ear to measure change in light transmission resulting from pulsating blood flow The placement of the ear clip is very subjective and should be chosen to maximise signal and consistency while also maintaining subject comfort A good place is generally on the fleshy portion of the ear lobe on individuals with detached lower lobes Others seem to favour the upper portion of the ear Trial and error will determine the best location for each individual subject When proper function a green LED on the connector box is blinking in the same rate as the heart SU
31. e fastening of the brake belt can be loosened Replace the brake belt and assemble the other parts in the reversed order according to the above PENDULUM WEIGHT BEARING The bearing in the pendulum weight are lifetime greased and require normally no maintenance If a problem arises please contact your Monark dealer 5 2 CHAIN 1 2 x 1 8 Check the lubrication and tension of the chain at regular intervals In the middle of its free length the chain should have a minimum of 10 mm anda maximum of 25 mm 1 inch of play re ew Chain tensioner When the play in the chain is 25 mm 1 inch or greater it should be tightened When the chain has become so long that it Hub nut can no longer be tightened with the chain wa gs tensioners it is worn out and should be re placed with a new one Loosen the lower chain guard bracket Re move the screw for the right chain guard back To take away the chain guard push it back wards Take off the front chain guard right and Movement direction of the chain left side Le To adjust the chain the hub nuts should be loosened Closed end The hub and axle is then moved forward or Lock spring backward by loosening or tightening the nuts of the chain tensioners Tighten the nuts on the hub axle and the chain should be at the proper 0 tension Chain lock Pair of tongs The spring of the chain lock should be assembled with the closed end in the moveme
32. eat Metro Pulse Pedal frequency compared to metronome rate is always shown Underspeed Pedal speed is lower than desired metronome rate 2 4 8 16 or more depending which LED bar that indicates Overspeed Pedal speed is greater than desired metronome rate 2 4 8 16 or more depending which LED bar that indicates ERGOMETER CONTINUOUS MEMORY To ease operation of the ergo meter several variables are stored in nonvolatile memory These vari ables are restored to normal memory each time power is applied to the ergometer 4 1 PRINTER REPORT If a parallel printer DOS compatible is connected to the Ergometer a hard copy test report may be obtained documenting the protocol progress at preset time intervals At the end of a fixed protocol a calculation is pre pared NOTE The auto printout function must be enabled for the printer to operate outside fixed protocols To change the time interval between successive printouts see System menu Sample Report Monark Ergometer 839E Astrand report 1 Page 1 SIGN ainra ee 43 Weight 82 0 kg Sex Male Max Heart Rate bpm 177 Time RPM BPM N kcal km h km Ref 00 30 64 82 4 0 1 0 23 1 0 2 1500 kpm min 01 00 64 107 38 0 8 0 23 1 0 4 1500 kpm min 01 30 57 127 43 0 16 0 20 4 0 6 1500 kpm min 02 00 53 139 46 0 25 0 19 1 0 8 1500 kpm min 02 30 52 143 47 0 33 0 18 7 1 0 1500 kpm min 03 00 53 151 48 0 41 0 19 1 1 1 1500 kpm min 03
33. endent of body weight Since the sub ject s body weight is supported by the saddle the total work performed is a function of only the resistive force and the pedal speed At the same power setting all subjects will have approximately the same oxygen con sumption On the other hand the treadmill measurement of oxygen consumption includes the subject s weight as a com ponent of the total work and therefore measures oxygen consumption per kilogram of body weight At a given incline and speed each subject will have approximately the same 02 per unit of body weight The well known Bruce treadmill maximal oxygen consumption protocol has been converted for use on a bicy cle ergometer taking into account the differences between the treadmill and the bicycle devices The ergomet ric workload is computed using the subjects body weight to calculate the total 02 at each stage of work ad justing the power settings accordingly The total oxygen consumption is calculated from the V02 ml kg min for the stage multiplied by the body weight in kilograms The workload is then selected from V02 workload table in the Protocol Operation section The protocol increases the workload every three minutes from warm up stage to successively more difficult levels until the subject can no longer preform the test At that time the START STOP key 3 is depressed to conclude the protocol The protocol does end automatically if a subject is capable of completin
34. g Stage VII 79 9 ml kg min an unlikely event The workload of the final stage is then converted to the equivalent V02 max and reported both as total con sumption in I minute and per body weight in ml kg minute If the subject has not completed at least one minute of the protocol has been completed at termination a Test Aborted message is displayed The stages of the Bruce protocol are as follows Speed Grade V02 Stage mph ml kg min Warm up 1 7 5 12 2 Stage 1 7 10 17 4 Stage II 2 5 12 24 8 Stage III 3 4 14 34 3 Stage IV 4 2 16 43 8 Stage V 5 0 18 56 7 Stage VI 5 5 20 68 2 Stage VII 6 0 22 79 5 Instruct subject about the protocol and adjust the chest belt for reliable pulse Setup subject age maximum heart rate weight and sex according to the menu system See Bruce menu Completion The protocol will terminate automatically if Stage VII is completed Normal termination is accomplished by de pressing START STOP 3 when the subject can no longer perform the work If the subject has not completed at least one minute at the final workload the previous workload is used If less than one minute of the protocol has been completed at terminal a Test Aborted message is displayed The program automatically selects the current or previous workload as appropriate 4 10 NAUGHTON PROTOCOL The standard Naughton Protocol reference 5 is a two minute incremental test The test is extremely similar to the Bruce protocol
35. heck pulse signal before start 0 00 strand 123 000 OON 300 kpm min ya 6 1 Astrand vo2 00 00 ml min kg 00 00 L min Press ente Bruce 00 bruce 123 000rpm OON 12 2n Anin kg 4 Naught 0 00 Naughton 123 000 00N 7 0ml min k Vren 2 Work test Sex 0 Male 1 Female lt Q ine 5 8 pulse bpm lt 195 gt _ i 3 watt kommin ml min 6 l min 7 Pulse lt BPM gt 1 Manual 2 Increment 3 Ramp 0 EX Incr Increment interval seconds 15 gt _ 0 0 ncremen 123 000rpm 00 0 watt O Menu J Ramp Increase per te 2 5100 Check pulse signal ok before start 00 00 Ramp MENU SYSTEM Check pulse signal ok before start 00 00 0 123 000rpm 00N 2 watt O Menu_3 Start Edit elect new enter Newt 000 Stop lt 0 Seconds 0 4 4 1 Fitness test 2 Man vork test 3 Seq progrars Analog coniro al ibrat ion 6 System setup 99Service hidden Analog contr S Calibration 0 00 ja log 123 000 00 0 watt O Menu__3 Sta Calibrate brake Hold at 2 kp Calibrate brake Hold at 4 kp Cone beep Calibrate brake Hold at 6 kp two beep MENU SYSTEM librat ton 6 System setup 99Serv ice hidden 99 Service Adjust pot 2
36. l Reference Manual 9 Unlock NVM 4 18 SERVICE MENU 1 Fitness test 2 Man vork test 3 Seq programs 00 con bration 6 System setup 99Serv hidden 99 Service djust po 2 Calibrate pot 3 Set to default Pri 99 2 pea ibrate brake Reyes brake at O kp Hold at 2 Reyes one beep beep Calibrate brake 1 Hold at 6 kp two beep Calibrate brake THold at 4 kp one DIOP cur 7 Motor forward 8 Motor backward Max accepted pulse deviation __ We Ont Distance unit 0 km 7 1 miles lt lt BEL gt pu lt B L gt metronome Pulse check on 1 0 1 1 on 1 1 On 70 off 0 off 0 off 7 0 off amp lt 0 lt 0 baki ht Adjust up down Press ENTER 4 19 4 19 EXTERNAL INTERFACE The Monark Ergometer 839E can be controlled externally from a terminal or a computer The control is performed over a serial line using ANSI ISO ASCIl format commands The interface is a 9 pin male D sub connector compatible with the RS232 standard located on the front of the electronic To connect to PC use a 0 modem serial cable with 9 female connectors in both ends It is also possible to use a analog control from an externa source to set the workloaad This is done by the contacts b32 and z32 on the main connector on the bike For acomplete description of the command interface setup order the
37. l defines nine workloads at which the subject may be evaluated The workloads for male subjects span 300 kpm min to 1500 kpm min in 150 kpm min steps The workloads for females cover 300 kpm min to 900 kpm min in 75 kom min steps The workload selection is preformed manually during the first two minutes of the test The workload should be difficult enough to elicit a steady heart rate of at least 120 bpm If too high a workload is chosen the subject may not be able to complete the minimum of six minutes necessary to reach steady state conditions the pro tocol has been designed to test individuals with a normal mechanical efficiency during steady state very high workloads can only be preformed aerobically by individuals with a very high work capacity During the workload seleection interval the workload should be increased until the heart rate varies no more than 4bpm and is consistently greater than 120 bpm At the end of the fifth minute the heart rate is recorded by the end of the next minute the heart rate is within 4 bpm of the previous observatioons the protocol is finished If not the test continues until the pulse rate has been within 4 beats for one minute _Note If the heart rate is erratic or the workload is improperly ad justed for steady state exercise the test will fail to complete Of course the protocol may be interruped by the START STOPkay although the error message Test Aborted and no calculation of 02 max will
38. minal may be used to control the ergometer A computer may be connected to communicate with the ergometer under programmed control and monitor the subjects performance For more information regarding external control units se chapter External Tecknical Reference The terminal or the computer attaches both via a serial cable to the 9 pin interface connector located on the front of the ergometer Attach a printer if available to the parallel port on the front The ergometer need not be turned off prior to connection of the external components although removing the power from all devices may prevent erroneous data transfer between equipment during interconnection Caution must be exercised in the connection of various types of equipment from different manufactures to avoid electrical hazards and physical damage The user must be certain that the instrument connector and the cable are designed for the intended purpose Serious injury to the user and or equipment may result if inappropriate connections are attempted Attach the cable to the appropriate connector Turn on both pieces of equipment if not already powered If the instrument is a terminal or printer the system may need to be setup Verify that the System setup have been set to enable automatic printout If it has been disabled no output will reach the device until it has been enabled Also the baud rate selected by the interface cable must match that of the device See Command In
39. n Instruments 1980 Astrand P O Work Test With the Bicycle Ergometer Monark Cresent AB Sweden 6 2
40. ng pot a calibration shall be performed here Also after setting to default in the service menu a calibration has to be done here Follow display instructions 3 Set to default Erases the memory Formats and sets some data to default NOTE A calibration must be performed after this action 4 Printer Form feed Line feed Page setting Lines and margins can be set here Print report To check printer connection 5 Motor Motor current limit Motor forward backward and stop 6 Service setup Pedal ref Metronome setting Pedal min Lowest pedal rpm to obtain workload on the bike can be set here Default setting is 30 rpm Cykelkonst This value can be adjusted so that the power on the bike can be corrected to the pedals or to the flywheel NOTE In the Astrand test the power is calculated on the flywheel Default setting is 1 00 which means there is no extra adjustment done for transmission loss If for example setting is 1 04 this means that loss is calculated to 4 Max accepted pulse deviation This figure is the deviation allowed during steady state to calculate a test Default setting lt 5 gt bpm Weight unit 0 1 pounds Distance unit 1 miles Opt pulse on off Opt metronome on off Sound pulse on off Sound metronome on off lt BEL gt pulse on off lt BEL gt metronome on off Pulse check on off 7 LCD backlight Increase or decrease with left right arrow key amp Analog setup See Technica
41. nt direction of the chain Use a pair of tongs for dismantling and assembling the spring Note If the wheel is not parallel to the centre line of the frame the chain will get caught on the top of the sprocket and cause noise CRANK BEARING The crank bearing is long term greased and normally needs no supplementary lubrication The crank bearing should be checked at regular intervals to see that there is no play in the bearing If play exists in the crank bearing it must be adjusted otherwise bearing races and other parts will be damaged A play in the crank bearing should be adjusted as follows Screw driver Chain guard attachment Remove the left pedal Loosen the lower chain guard attachment Take away the screw for the left chain guard back Loosen the saddle post screw some turns so the cover can be lifted up about 10 mm To loosen the chain guard push it backward 5 3 Loosen the crank bearing stop nut on the left side of the unit using a special tool part No 7099 Note The stop nut has a left hand thread Loosen the stop nut so that by turning the dust cap with magnet the cone can be adjusted into a play free position Then tighten the stop nut properly again Note Do not adjust the crank bearing too hard The crank bearing should move play free but still very easily after the adjustment Assemble the left chain guard and pedal REPLACEMENT OF THE FREEWHEELING SPROCKET Adapter Sprocket Remover
42. nt support tube with wheels two lock nuts Rear support tube two bolts two lock nuts Handlebar complete Computer control unit cable Transformer power cable Chest belt incl transmitter HR receiver Tool kit Instruction manual Astrand Work tests with the bicycle ergometer Calibration weight 4 kg ASSEMBLY INSTRUCTION Tip the cycle forward Note Use the accompanying spanner Assemble the support tube with two bolts and two nuts Tip the cycle backwards Assemble the front support tube with two nuts onto the two bolts in the frame Adjust to desired saddle height position by loosening the saddle post bolt In order to change the inclination of the saddle loosen the saddle clip NOTE Tighten firmly Remove the tube from the handlebar head The tube is only there to secure the bike during transport Before the handlebar stem is assembled be sure the wedge is loose Insert a the handlebar stem into the head tube and tighten the wedge bolt firmly by means of the lever The handlebar stem should be inserted into the fork tube at least 7 cm about 3 inches Usually this measure is marked out Tap carefully Levar here To change the height of the handlebar loosen the bolt lever about 5 turns Tap the bolt to release the expanding cone Adjust the handlebar to the desired position and tighten the wedge by means of the lever Min 7 In order to change inclination of the handlebar loosen the le
43. orkload must be programmed This stores the time and workload rate of change in continuous memory Each step is calculated from the previous step plus the step time and step work constantly increas ing During executions of the protocol the INCREASE and DECREASE keys key 9 or 6 may be used to advance or retard the protocol In this manner if a workload is too easy the protocol may be advanced in a non linear fashion until the workload is as desired Instruct subject about the protocol and adjust the chest belt for reliable pulse Follow menu instructions and start test RAMP PROTOKCOL The ramp protocol is very similar to the incremental protocol in that it is based on a continuously increasing series of workjloads The major difference is that the ramp protocol steps are extremly fine making the tension from one workload step to the next nearly imperceptible Ramp protocol are sometimes employed to provide a very rapid rise in workload in an attempt to determine the maximum workload which a subject can achive without significant elevation in bloood lactic acid from anaerobic metabolism Due to the rapid rise in workload there is little fatigue although the medical risk may be high if an extremely high workload is attained too quickly Similar to the incremental the ramp protocol must be programmed prior to running The programmingis slightly different in that the workload increase per minute is entered rather than the step time and
44. p between work and oxygen uptake and between work and heart rate the heart rate response to work may be used to estimate the oxygen consumption If the maximum heart rate is considered the maximum oxygen consumption may be determined The YMCA and Astrand protocols estimate the maximum oxygen consumption based on a submaximal workload while all others report the oxygen consumption required by the final workload The Bruce and Naughton protocols require that the subject exercise at a workload level for a minimum of one minute to establish the oxygen consumption If less than one minute is observed The previous workload value is used The estimated maximum oxygen consumption derived from some of the ergometer tests is subject to the error of the age related predicted maximum heart rate Although there is a definite and linear relationship between work and oxygen uptake there are some differences in actual oxygen uptake based on individual work efficiency Subject who are less familiar with bicycle exercise and those individuals who are less fit are more likely be less efficient than those who ride bicycles frequently It should be noted that these results are estimates or predictions of maximal response and have a greater chance of being in error than if the individual were tested to their actual maximum value Interpretation should therefore be made more carefully with an understanding of the possibility of errors in the methodology A rel
45. re protocol operation with the subject explaining the work which will be required and the duration of the procedure A system of communicating fatigue chest pain or other abnormal physical response to the exercise should be discussed The subject should not engage in heavy physical activity for several hours prior to testing to establish maximum oxygen consumption In addition all testing and exercise protocols should be performed a reasonable time after meals The subject should also refrain from smoking within an hour of the testing period The subject should not be prepared for riding the ergometer including the selection of proper clothing which neither interferes with the physical activity nor endangers the health of the subject The subject may need some general education concerning the pedalling of the ergometer The saddle and the handlebars should be adjusted for comfort and proper mechanical distance The saddle height should be set so that when the ball of the subject s foot is placed on the pedal there is a slight bend at the knee with the pedal in the lowest position The operation of the speed metronome and over under display should be reviewed The maintenance of the proper speed should be practised at a low workload Finally the chest belt should be applied and monitored to check for proper heart rate operation The baseline heart rate may also be of assistance in determining the nervousness of the subject The subject should
46. start stop button key 3 The target heart rate is entered as part of the test preparation Default value is 120 bpm The target training rate may be changed to suit the training program by just entering the value on the keyboard Key 7 4 increases decreases 100 bpm Key 8 5 increases decreases 10 bpm Key 9 6 increases decreases 1bpm NOTE The maximum target heart rate that can be set is 90 of the calculated max heart rate 220 age The resultant workload which is determined by the computer to maintain the target heart rate may be used as a basis for comparison over time in an effort to objectively evaluate the effectiveness of training program Setup subject and follow menu Protocol operation may be terminated by depressing START STOP key 3 4 13 WORK TEST INCREMENTAL PROTOCOL The incremental protocol consists of a series of workloads which are constantly increasing with time Under control of the incremental the ergometer exercises the subject to a maximum workload The rate at which the workload rises is presetable The type of work power or force may also be preset as desired The incremental protocol may be used to cre ate a linearly increasing workload test such as a modification of Naughton protocol The Naughton may be viewed as an incremental protocol with work type of V02 and a rate of 3 5 ml kg min every two minutes Set the subjects age maximum heart rate sex weight and selects the protocol Type of w
47. t during this exercise and verify that the ergometer is under the control of the operator and that a stable heart rate is recorded After the user masters manual ergometer operation and is capable of instrument a subject to reliably measure heart rate protocol operation will be very simple At that time a review of the section entitled Testing with the 839 Ergometer will prove extremely helpful 1 1 SPECIFICATIONS Construction Stable heavy duty steel frame Large well balanced flywheel Brake power 0 1400 W at 200 RPM Comfortable saddle with adjustable height Handlebars adjustable in height and distance from seat Wheel for easy transport Computer Computer system 8MHz High visibility backlit display Multi colour RPM pacing bar graph display Visual metronome or heart rate Heart rate maximum limit alarm Serial communcation port 300 38400 baud Preprogrammed protocols Astrand YMCA Bruce Naughton Incremental Ramp HR training Measured guantities Distance meters miles Energy kcal Heart rate beats minute bpm Force newtons N Power Watts W kpm min or VO2 ml min kg Time min sec Weight kilogram kg pounds Ib Electrical Voltage 24 VDC or 18 VAC Transformer to wall outlet 100 240 VAC 50 60 Hz 15 W Note The transformer must be approved by your national electrial authorities Dimentions Length 1120 mm 4477 Width 530 mm 217 Height at handlebar 650 1135 mm 307 45 7 Height at saddle 80
48. terface for details If the device is a printer proper paper loading and unit selection must be completed prior to operation refer to printer instruction manual The automatic printout length is a preset to eleven inch pages for standard fanfold or zee fold paper At the top of the each page a header designating the columns is printed The abbreviations are discussed in the External Interface section 4 6 The time period between the printing of each line may be set as desired from 0 continuous output to 255 seconds in one second increments The standard setting is 15 seconds between printouts This pro vides reasonable documentation while not wasting large quantities of paper INITIAL OPERATION Although all 839 ergometers are 100 calibrated at the factory the user may wish to verify this by performing the mechanical calibration of the pendulum weight See section Mechanical Reference Cali bration of Pendelum Weight Apply power to the ergometer by first connecting the cable from the transformer to the ergometer at the front connector labelled 24VAC 18VAC Then plug the transformer into the wall outlet Turn the power switch to on position A green LED indicates power to the 839 Perform the electrical calibration as specified in section Testing with the 839 Ergometer Calibration Electronics Test ride the ergometer The 839 Electronic Ergometer is now fully functional and ready 2 1 TESTING WITH THE 83
49. ure The alarm value is preset to 220 age During the test setup procedure the maximum heart rate may be changed depending on the subjects exercise prescription or other constraints If the heart rate exceeds the alarm value a beeping tone will be heard until the heart rate falls below the alarm point or the alarm is disabled When the alarm sounds the workload is removed automatically to prevent overstressing the subject The alarm feature may be disabled particularly if the protocol does not require monitoring of the subject s heart rate If heart rate is not being monitored start the protocol and then disable the alarm The automatic protocol attempt to exercise the subject at specific oxygen consumption levels The ergometer achieves this by producing a braking force which in normal individuals requires the consump tion of the desired volume of oxygen Note that most protocols express the V02 in ml kg min therefore the total V02 required is calculated using the subjects weight and subsequently converted a power workload The table below shows the nominal work equivalent to various oxygen consumption rates Work load Oxygen uptake kpm min L min 300 0 9 600 1 5 900 2 1 1200 2 8 1500 3 5 1800 4 2 2100 5 0 2400 5 7 4 3 1 test 1 Astrand 2 YMA 3 Bruce 4 Naughton 0 Exit Sex 0 Male 1 Ferale e lt B gt _ Wight 5 2 Max pulse bpm lt 195 gt _ C
50. ver somewhat Adjust to desired position and tighten the handlebar firmly again by means T xpanding wedge of the lever 0 2 The pedal marked R Right is to be assembled on the right hand side of the cycle the chain wheel side The pedal axle has a right hand thread and must be threaded onto the crank clockwise Tighten firmly The pedal marked L Left is to be assembled on the left hand side of the cycle The pedal axle has a left hand tread and must be threaded onto the crank counter clockwise Tighten firmly Dismantle the front cover of the flywheel Remove the transport blocks inside One block inserted above the flywheel and one block under the flywheel Remove the tape from the flywheel NOTE It is very important that all of the plastic tape is removed Residue of the plastic tape may cause an uneven operation Assemble the brake belt as before Assemble the cover again Pedal left hand side Marked L 0 3 Plastic tape Pedal right hand side Marked R INTRODUCTION OVERVIEW The Monark 889 Electronic Ergometer is a complex structure of mechanical equipment under the control of an elaborate computer system The computer provides a fine element of control which was not possible to obtain using strictly mechanical devices The mechanical component is basically the proven Model 818 ergometer consisting of a stable heavy duty steel frame a large well balanced heavy
Download Pdf Manuals
Related Search