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11.4 Output Terminal DSUB-15

PIN NO.

F.GND

Tx (RS232C level output)

Rx (RS232C level output)

RTS (RS232C level output)

CTS (RS232C level output)

GND

+5 V

Tx (TTL output)

Rx (TTL output)

RTS (TTL output)

CTS (TTL output)

+12 V ON/OFF

R/B (TTL)

11.5 Physical Specifications

Measurement Method

Oscillometric

Display Method

LED display (for actual measurement data)
LCD (stored data, error messages, and alarm settings)

Pressure Detection

Semiconductor pressure sensor

Inflation Method

Diaphragm pump driven by a DC motor

Display Range

Pressure: 10-300 mmHg Pulse Rate: 30-240 bpm

Outside Dimensions

170 (W) x 170 (D) x 228 (H) mm

Weight

Approximately (4.8Kg)

Power Supply

AC 120V±10% 60Hz

Battery

12V, 1.9AH

Battery Life

4 hrs @ 5 min. interval measurements

Storage Temp. Range

-20ºC to +70ºC (-20ºC to +40ºC for battery)

11-2

back to contents page...

Содержание Press-Mate 8800 Series

Страница 1: ...te 8800 Series Automatic Non Invasive Blood Pressure Monitor 8800 8800P 8800G 8800GP 8800F 8800FP 8800MS 8800MSP 8800SAT 8800SATP Caution Federal law restricts this device to sale by or on the order o...

Страница 2: ...e and non invasive monitoring Colin has wisely invested in studies conducted in collaboration with leading U S research institutes and universities These projects have resulted in a number of signific...

Страница 3: ...Assembly 3 3 3 4 Cuff Placement 3 4 Section 4 Special Control Settings 4 1 Setting the Blood Pressure Measurement Interval 4 1 4 2 Alarms 4 2 4 3 Setting the Clock 4 3 4 4 Alarm ON OFF 4 4 4 5 Initia...

Страница 4: ...t 6 9 6 22 Front End Switch 6 10 6 23 Signal Conditioning 6 10 6 24 Analog to Digital Conversion 6 10 6 25 Calibration Self Check Circuitry 6 11 6 26 Other Inputs 6 11 6 27 Seven Segment Display and A...

Страница 5: ...6 PCB 8800IR 10 8 10 7 PCB Genius 10 9 10 8 PCB FILAC 10 10 Section 11 Specifications for Press Mate Genius and Filac 11 1 Environmental Requirements 8800 11 1 11 2 Functional Specifications 11 1 11...

Страница 6: ...et with high and low limits The memory storage capacity of the press Mate is 400 lines of data more than any other non invasive blood pressure NIBP stand alone monitor The monitor is available with or...

Страница 7: ...n the course of warranty service COLIN may but shall not be required to make engineering improvements to the Warranted Product or part thereof 1 6 Loaner Policy Purchaser is responsible for any damage...

Страница 8: ...properly disassembled serviced or reassembled by anyone other than COLIN unless authorized by COLIN COLIN makes no warranty a with respect to any disposable products or any other products that are not...

Страница 9: ...or consecutive blood pressure monitor ing Alarms SET HIGH LOW MUTE Set Sets LCD in alarm mode High Sets high alarm limit Low Sets low alarm limit Mute Silences audible alarm List Scrolls up or down to...

Страница 10: ...xygen Saturation Pulse Rate 2 SpO2 Pulse Search Low Battery Printer ON button Printer paper advance button Date Day Battery check button Measure button Percent oxygen saturation Pulse search indicator...

Страница 11: ...ORP SAN ANTONIO TX USA USING DOMESTIC AND IMPORTED PARTS U L LISTED MEDICAL EQUIPMENT 24T2 LR83689 STD C22 2 NO 125 RISK CLASS 2G PRINT MODE PRINT DATA INTERFACE ON OFF ON OFF LIST TREND GRAPH DISPLAY...

Страница 12: ...ACLE MARKED HOSPITAL ONLY OR HOSPTAL GRADE WARNING FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE WITH SAME TYPE RATING OF FUSE AC SOURCE R F 100054 MODEL 8000F SERIAL NO MANUFACTURED BY COLIN M...

Страница 13: ...3 Ah CAUTION CROUNDING RELIABILITY CANONLYBEACHEIVED WHEN THIS EQUIPMENT ISCONNECTEDTO ANEQUIVALENT RECEPTACLE MARKED HOSPITAL ONLY OR HOSPTALGRADE WARNING FORCONTINUED PROTECTION AGAINST FIRE HAZARD...

Страница 14: ...OR POLE TORSION KNOB ALARM MUTE ALARM CONTRTOLS SYSTOLIC HIGH ALARM SYSTOLIC LOW ALARM INTERVAL SWIITCH PULSE LEVEL INDICATOR START STOP SWITCH POWER SWITCH DIASTOLIC DISPLAY PULSE DISPLAY CUFF HOSE C...

Страница 15: ...DE PRINT DATA INTERFACE ON OFF ON OFF LIST TREND GRAPH DISPLAY MEASUREMENT MODE ADULT PEDI NEONATAL NOTICE 1 REPLACE BATTERIES APPROXIMATELY ONCE EVERY YEAR 2 REFER TO THE MANUAL FOR PROPER PLACEMENT...

Страница 16: ...cord and cuff hose so they do not create a hazard or get bumped during use Use the correct size cuff and proper wrapping techniques Always press front panel switches with finger tip not a finger nail...

Страница 17: ...toclave Refer unit to Biomedical Engineering When not in use store the thermometer probe in its protective chamber located in the thermometer unit beneath the blood pressure monitor Additional Precaut...

Страница 18: ...n hold the battery check button down for 2 seconds The percentage of lighted segments in the pulse amplitude indicator approximates the battery charge all segments light with fully charged batteries I...

Страница 19: ...Figure 2 1 bladder width is small for arm and full cuff pressure is never applied to artery An errone ously high pressure results Below in Figure 2 2 bladder width is adequate for arm and full cuff p...

Страница 20: ...uff bladder should be placed over the brachial artery and make sure not to twist kink or otherwise occlude the hose Keep the cuffed part of the arm at the same level as the heart See Figure 2 4 If it...

Страница 21: ...taken for a period of 5 minutes After 5 minutes the measurement interval is automatically set to 5 minutes For consecutive measurements press the button again To interrupt the measurement press the b...

Страница 22: ...tifact three consecutive audible alert before measurement retry tones will be sounded to announce a measurement retry Visual The visual alarm will be noticed as a flashing LED display of the measureme...

Страница 23: ...limits have been set they will not change even when the power is turned off Caution When the measured value reaches or exceeds the high limit or falls below the low limit settings its display will fla...

Страница 24: ...t to allow the patient to become prepared for the measurement 4 7 Smart Monitoring Press the switch to select the Smart Monitoring feature If OFF is selected the Smart Monitoring feature will not acti...

Страница 25: ...mode follow these instructions 1 Open the Battery Cover on the back of the Press Mate 2 Remove the battery from the compartment with the use of the battery removal ribbon you will not need to disconne...

Страница 26: ...e Internal Programs The EXIT TO ROUTINE OPERATION selection allows the monitor to return to routine operation without its Hemodynamic Mode Note If no selection is made within one minute the monitor wi...

Страница 27: ...ed programs Note Programs A B and C cannot be changed they can only be viewed While viewing or modifying an Interval Program the LCD is only capable of displaying four lines of data You will need to p...

Страница 28: ...d the current interval time on the interval LEDs in turn to signify HD Mode operation End of HD Program Whenever the HD Program is complete the message HD PROGRAM END will be displayed on the LCD scre...

Страница 29: ...ed the measurement A profile shaped like a bell curve represents a measurement not affected by motion or other artifact Figure 4 1 shows a trend as well as a digital printout of measurements The marki...

Страница 30: ...4 4 Pull the paper case out all the way Figure 4 5 5 Insert a fresh roll of paper in the paper case The Press Mate uses thermal recorder paper Take care to insert properly see instructions on side of...

Страница 31: ...g message appears Press the switch and the printout will begin The LCD will now display ALL DATA PRINTED To interrupt the printing at any time press the switch again 5 2 Clock Elapsed Time Meter COLIN...

Страница 32: ...nel MEASUREMENT MODE switch to NEONATE 2 Connect the green colored pressure hose and COLIN s disposable neonate blood pressure cuff to the monitor and patient 3 Standard initial inflation pressure in...

Страница 33: ...in the ear canal just far enough to seal the opening If necessary gently restrain the patient s head movements while taking his or her temperature In infants or other patients in which the probe tip c...

Страница 34: ...purposes Call your COLIN Service Representative for calibration procedures b ORAL The tympanic temperature is adjusted to display an oral temperature equivalent c REC The tympanic temperature is adju...

Страница 35: ...s and insert the probe into the patient s rectum To ensure proper tissue contact angle the probe slightly to the side after insertion Insertion depth is recommended at 1 2 3 4 13 20 mm for adults and...

Страница 36: ...ill cease to conserve energy If the monitor s operation is continued on battery power the following message will appear Battery Is Empty Connect A C Plug and Power On Again and the unit will shut off...

Страница 37: ...nd the S8 bronze pan head screw found on the bottom of the rear case Lift the case and disconnect the battery connector from the chassis Set the rear case aside Refer to Figure 5 2 on the following pa...

Страница 38: ...VDC to 14 8 VDC at battery connector Remove the S6 and S8 screws Lift the rear case away from the chassis making sure to disconnect the battery connector When applying rear case make sure the battery...

Страница 39: ...rial blood pressure the amplitude of the oscillometric pulses are at a maximum As the pressure of the cuff is relieved the oscillometric pulses slowly decrease in amplitude When the cuff pressure reac...

Страница 40: ...25 mmHg The following sequence of events occurs when the pump is turned on by pressing the START STOP switch on the front panel 1 Air is immediately dispensed throughout the entire pneumatic system Fi...

Страница 41: ...ssure in the cuff circuit The second Sub CPU U15 controls the printer while collecting information about battery power from the Battery Low Empty Comparator Circuit consisting mainly of OP3 Cuff press...

Страница 42: ...the 2 character x 4 line LCD connected via CN2 to the display PCB 6 5 Power Supply PCB The power supply PCB regulates the AC power source supplied through connector CN101 to the secondary side of the...

Страница 43: ...but not necessarily error free transmission has occurred If the transmission is valid the light on the Temp Mate flashes After the optical detector in the Temp Mate has converted the optical signal i...

Страница 44: ...ct black body one hundred percent of the energy from a radiating object is emitted In the ear canal this is not so 2 There is some heat loss down the ear canal due to thermal gradients By adding linea...

Страница 45: ...n this application to wake up the CPU from low power sleep mode 2 When the unit is residing in its base the reed switch SW1 is open and INTO is pulled low If the unit has not been used for at least on...

Страница 46: ...the gate of Q1 allowing Q1 to conduct current to the rest of the circuitry 6 16 The 5 Volt Supply The circuit uses a DC to DC converter U9 to produce a 5 volt output from a 5 volt input CPU Reset 1 A...

Страница 47: ...tude of input 6 20 Theory of Operation FILAC MCU Introduction The heart of the F 2000 thermometer is a Motorola 8 bit microcontroller unit MCU This HCMOS single chip MCU contains a CPU clock oscillato...

Страница 48: ...VR2 to the same value as the output of U1 when a resistance of 4746 ohms is applied to the probe input see Section 7 Calibration This resistance represents 110 0 F the high end of the F 2000 s tempera...

Страница 49: ...witches S3 1 at U2 PD4 S3 2 at U3 PD3 S3 3 at U3 PD5 and S2 at U3 PD2 are used to select the pulse timer duration Fahrenheit or Centigrade mode calibration mode and the direct or normal mode respectiv...

Страница 50: ...ff by pressing the OFF button on the front panel 5 Depress and hold the START STOP button while simultaneously pressing the ON button Do not release the START STOP switch until the self test procedure...

Страница 51: ...connected dummy cuff and calculates the rate of inflation 20 RS232C Test VerifiesTransmitt and Receive lines of the RS232 30 Printer Test Commands the printer to print out a test pattern 45 Initial De...

Страница 52: ...operated 1 flashes and elapsed time in seconds is displayed in the PULSE window DIASTOLIC window for model 8800 Press Mates After about 120 seconds the safety timer turns the power OFF and the dump va...

Страница 53: ...changes correspond to the LCD description To exit this test press the START STOP switch and the INTERVAL UP switch simultaneously 3 Air Leakage Test a Attach the 220 cc dummy cuff to the cuff connect...

Страница 54: ...Press Mates e Once the test is complete the time taken to inflate the 700 cc dummy cuff to 250 mmHg is displayed in the SYSTOLIC window in seconds less the decimal point e g 40 4 0 seconds f The acce...

Страница 55: ...isplayed in the SYSTOLIC and DIASTOLIC windows MEAN window for model 8800 Press Mates The acceptable range is as follows COUNT 5 13 MAXPRESS 4 10 60 Deflation Test a Attach the 220 cc dummy cuff to th...

Страница 56: ...sure that there is nothing connected to the cuff connector b Press the START STOP switch to start the test c The unit will begin to pump air out of the cuff connector d Use a finger to completely cov...

Страница 57: ...Use apparatus shown in Figure 7 3 In this test the user can verify the limit of the mechanical switch Overpressure point Place the unit in the Calibration Mode and complete the following a Place the R...

Страница 58: ...bulb Once the Overpressure limit is reached the unit resets itself and reinflates C19 Pressure Error will appear on the LCD display h Acceptable limit 320 330 mmHg NOTE If it takes longer than 15 sec...

Страница 59: ...lculated In most cases however the simple offset adjustment in the field is all that is required to bring the system calibration back into American Society for Testing and Materials A S T M specificat...

Страница 60: ...a bAd CAL message If the calibration self check fails the F 2000 may be recalibrated using one of two methods The factory calibration procedure is the more accurate of the two and requires the use of...

Страница 61: ...the F 2000 on A value near the low calibration value of 89 5 F 31 9 C should be displayed 4 Adjust VR1 until the display reads 89 5 F 31 9 C 5 Depress the pulse timer button A value close to the high...

Страница 62: ...ose fittings secure and without leaks Are error codes displayed on the LCD screen on the front of the unit If so call COLIN Technical Services at 800 829 8100 If the displayed cuff pressure is increas...

Страница 63: ...s not remain at constant pressure replace a component at a time cuff hose monitor until the leak has been ceased Accuracy The accuracy of the monitor can only be judged by verifying the patient s bloo...

Страница 64: ...seconds Verify cuff and hose for extreme air leakage Also verify that the connections of the above to the monitor or cuff are made and tight If the pump did not even start the monitor requires repair...

Страница 65: ...was too low to measure Probable Cause Check connection between the unit and air hose and cuff Shorting block on back of unit Check the cuff and hose connector for air leaks Check the cuff for normal...

Страница 66: ...you can feel the depression of the dome as each button is pressed Transformer may Verify the voltages at the output of the transformer be defective Power supply defective Verify the output voltages o...

Страница 67: ...software was just upgraded the EPROMs may be inserted incorrectly or is defective Unit will not turn off CAUSE SOLUTION Sheet switch failure Verify that as the OFF switch is depressed a bubble or depr...

Страница 68: ...Replace clock battery verify that when unit is ON 2 4 Vdc charger voltage is present Clock IC defective Replace U2 clock IC Main board is defective Replace defective main board Unreliable readings Ina...

Страница 69: ...utton Replace defective sheet switch Power supply failure Verify output voltages repair or replace power supply Pump failure Verify that when 12 Vdc is applied to pump pump starts Main Board failure V...

Страница 70: ...age should be 11 8 1 volts The Battery Empty indicator will appear at 11 2 1 volts Replace main board or rework circuit as required Use Charging Style If the unit is not connected to AC the required t...

Страница 71: ...se bracket is located next to the battery housing and connects with a bronze 3 x 4 to the rear case 5 Has the unit been upgraded with the top left and right reinforcement bracket kits they are placed...

Страница 72: ...0MSP or TP Basic unit w printer w tympanic Front Case SC 8800SC units Smart unit SYS alarm LEDs no printer Front Case SP 8800SP units Smart unit SYS alarm LEDs w printer Front Case SMS 8800SMS units S...

Страница 73: ...8 X2120538A Stopper Rear Case 19 XC2570003B Sponge Handle 20 XC3200118B Pole Holder w Rubber Holder Kit 21 XC2360008B Rubber Holder 22A 2250050C Rear Sheet Label 8800P MSP 22B 2250243A Rear Sheet Labe...

Страница 74: ...5 3260003B L Tube 56 XC75310170 Air Tube A 57 XC75301170 Air Tube B 58 XC75310040 Air Tube C 59 7540005A Clamp 60 X3260013A L Tube D XC2120861A Rt Reinforcement Bracket XC2120862A Lt Reinforcement Bra...

Страница 75: ...Neonatal Colin Datascope N A D 10 C0430033A Colin Datascope N A D without fittings 10 C0430034A Reusable Cuff Covers Infant 1 C0430041A Child small adult 1 C0430042A Adult 1 C0430043A Large Adult 1 C0...

Страница 76: ...424A Door Hinge Left 9 3200425A Genius Latch 10 3200426A Latch Guide 11 3200427A Latch Spring 12 7700017A Magnet 13 1600148A Rear Label 14 2150347A Serial Number Plate 15 7730003A Rubber Foot 16 64410...

Страница 77: ...4 7774 304815 3 No 3 28 x 5 16 Self Tap Screw 25 7774 304823 2 No 4 24 x 7 32 Self Tap Screw 26 7774 401793 Neck Strap 28 7774 807163 Instruction Serial Number Label 29 7774 307099 Switch Actuator 30...

Страница 78: ...10 0 Schematics 10 1 Block Diagram 8800 10 1 back to contents page...

Страница 79: ...sor Manifold Bleed Valve Dump Valve Solenoid Orifice Pump Reservoir Bleed Valve Dump Valve Manifold Cuff Main PCB Transducer Pump Over Pressure Switch Diagram of 8800 without Smart Features Diagram of...

Страница 80: ...3 LCD XTAL1 XTAL2 CPU A D V REF 5V TPILE AMP THERM 1 THERM 2 MUX DIP SWITCHES WAKE UP INTO POWER SWITCH 5V 5V REG 5V IR LED 5V REG BATTERY EEPROM SPEAKER 10 2 Block Diagram Genius back to contents pa...

Страница 81: ...8 to 7 3 seconds 693 cm3 air chamber 0 to 250 mmHg 4 Deflation speed at pressures indicated Pressure Speed mmHg sec 240 4 6 to 6 2 160 4 6 to 6 2 80 3 3 to 5 0 40 2 6 to 4 4 5 Withstand voltage 1000...

Страница 82: ...metric Display Method LED display for actual measurement data LCD stored data error messages and alarm settings Pressure Detection Semiconductor pressure sensor Inflation Method Diaphragm pump driven...

Страница 83: ...Control by RTS CTS Signal Data can be received by Press Mate when RTS signal level is HIGH Data can be transmitted by Press Mate when CTS signal level is HIGH h RS 232C ouputs data when Temp Mate is c...

Страница 84: ...MSP only Output Terminal DSUB 15 on rear panel Corometrics Version Dip switch No 4 OFF 1 Communication Specification a 600 bps b 8 data bits c None parity d 1 stop bit e Ready Busy control by CTS sign...

Страница 85: ...ry Battery Life Approximately 5000 temperatures Low Battery Warning 2 levels on LCD screen Level 1 Replace battery as soon as practical Level 2 Replace now thermometer will not operate Optional Temper...

Страница 86: ...to 32 C Accuracy Meets or exceeds A S T M standard E1112 NOTE When using a liquid bath to test the accuracy of the predictive mode correct the final temperature as follows to compensate for the differ...

Страница 87: ...to be inaccurate 1 Remove the battery access door by pressing the battery compartment access door latch 2 Install four alkaline C cell batteries Be sure to observe the polarity indicator sticker 3 Rep...

Страница 88: ...s and yy representing minutes Note that xx hours is flashing 3 Press the ADV advance button repeatedly until the correct hour is displayed 4 Press the D D button once Note that yy minutes is now flash...

Страница 89: ...the main PCB If software updates are made available from the factory or if a problem with this chip is suspected contact Nellcor s Technical Services Department of Nellcor s local representative for...

Страница 90: ...this setting maximizes both readability and print head life 1 Switch on the N 20P in spot check mode Spot check mode is started by depressing the instrument measure button once 2 Simultaneously press...

Страница 91: ...ional saturation that is oxygenated hemoglobin expressed as a percentage of the hemoglobin that is capable of transporting oxygen It does not detect significant levels of dyshemoglobins In contrast so...

Страница 92: ...eir current levels are within the A D converter s acceptable range and AC ranging where DC offset is eliminated from each LED signal Digital Circuitry Block Diagram Figure 12 4 The diagram shows the N...

Страница 93: ...wavelengths which are used for calculation of pulse rate and oxygen saturation in blood are transmitted at the following wave lengths infrared IR light at 915 nanometers red light at 660 nanometers P...

Страница 94: ...re within an acceptable dynamic range Signal channel gain may also need to be increased The CPU uses PWM lines to control LED current level or to amplify the signal channel Input conditioning Sensor o...

Страница 95: ...d signals are within the dynamic range of the input amplifier Because excessive current to the LEDs will induce changes in their spectral output it is sometimes necessary to increase the received sign...

Страница 96: ...D will still be limited to a safe level The RSENS line senses the RCal value and enables the CPU to make the proper calculations based on the type of sensor being used Input Conditioning Input to the...

Страница 97: ...ll begin After about 10 seconds of continuous photocurrent signal zeros will be displayed Signal Gain The separated IR and red signals are amplified so that their DC values are within the range of the...

Страница 98: ...signals create a charge which is stored on C29 and C89 respectively These capacitors hold this charge even after the switches are opened and the resulting voltage is subtracted from the combined sign...

Страница 99: ...rol CPU Main PCB Memory Software Ambient Light Sensor Real time Clock Ambient Temp Sensor ON ADV D D Printer Audio Beeper Display Drivers Display N 20 N 20P Control Buttons AUX PCB Main PCB To Analog...

Страница 100: ...or the oximeter sensor red and infrared channels and the sensor calibration resistor RSENS Light temperature and battery voltage are also measured The N 20P CPU is configured as follows Decoded AD0 an...

Страница 101: ...even address in the DC00 DFF range could be used for external port access In other words reading or writing address DC00 DC02 DC04 etc will all produce the same results Due to the CPU configuration t...

Страница 102: ...bytes of external output port i e U18 and U17 must be written to at the same time The upper byte of the output port U17 cannot be written to independently see also Address Decoding Real Time Clock RTC...

Страница 103: ...The display control circuitry is divided into the following subsections Control Conditioning Circuit main PCB The control conditioning circuit processes signals generated by the CPU to produce timing...

Страница 104: ...uit performs two basic functions 1 it allows the CPU to enable and disable the display high voltage VDISP and 2 it slows the edge slew rate of the segment drivers as it switches the high voltage When...

Страница 105: ...upply circuits consist of the following power supplies Regulated power supply Power supplied by the batteries is regulated at 5 VDC This supply is used by all of the digital circuitry and some of the...

Страница 106: ...e inside the CPUs integrated circuit These resistors limit that current path to safe levels Power Shut off Circuit Fuse F1 protects the unit from excessive current draw CR24 protects against large vol...

Страница 107: ...level serial interface RXD and TXD are configured as a standard asynchronous serial transmitter and receiver at 19 2 Kbaud with 1 stop bit 8 data bits and no parity The serial interface can operate i...

Страница 108: ...battery life remains the nominal voltage and discharge curves must be known the BAT TYPE signal provides that information Printer Control Printer circuitry is divided into two subsections the printer...

Страница 109: ...to the printer supply voltage VPRN the other lead is connected to the driver chip see Optional Printer Flex Circuit with User Controls One of the print dot resistor leads DOT4 is also fed back to the...

Страница 110: ...s are both enabled and disabled at the same time The large bulk capacitor C3 is required due to the large current spikes that are required by the printer and the large internal series resistance of di...

Страница 111: ...trument automatically switches off If at any time during the test sequence Err followed by a code number is displayed make note of the error code and refer to error code descriptions in this manual Lo...

Страница 112: ...r model DRC 1 to test instrument performance The SRC 1 plugs into the DB 9 sensor connector and uses the instrument s power supply and diagnostic software to test the display the accuracy of the oxime...

Страница 113: ...the printer ON button On appears in the Oxygen Saturation display A printer test pattern prints out the following is an approximate example of the test pattern N 20P PRINT TEST 00 00 00 00 00 ABCDEFGH...

Страница 114: ...ent Tools Screwdriver Phillips Pliers long nose Screwdriver small flathead Soldering iron low power N 20P Disassembly Procedure Whenever repair or disassembly is required always wear a ground strap co...

Страница 115: ...thead screw driver between the covers at the base of the instrument and slowly prying them apart NOTE The covers are hinged at the top end in a different way do not attempt to separate the covers usin...

Страница 116: ...auxiliary PCB 26 and remove the three flex display circuits 4 Separate the auxiliary PCB from the main PCB 27 by pulling the PCB headers apart at the base 5 Remove the display assembly 18 from the mai...

Страница 117: ...the connectors on the printer flex circuit 28 by slowly pulling outward from side to side at alternating ends of the connectors 3 Remove the printer button strip 7 from the printer flex circuit 4 Remo...

Страница 118: ...se to measure button CAUSE 1 Battery access door may not be properly latched ACTION 1 Check access door and ensure it is properly latched CAUSE 2 Batteries may be discharged ACTION 2 Exchange them for...

Страница 119: ...erfusion may be too low ACTION 1 Check patient status Test the instrument on someone else or try another type of sensor The N 20P will not make a measurement if perfusion is inadequate CAUSE 2 Patient...

Страница 120: ...properly loaded characters can be printed on only one side of the thermal paper roll ACTION 1 Ensure that the thermal paper is properly loaded if needed remove the roll of printer paper and reload the...

Страница 121: ...low profile auxiliary PCB 491244 12 JP5 Connector ZIF flex 7 pin auxiliary PCB 491242 13 JP9 Connector ZIF flex 22 pin auxiliary PCB 491250 14 JP2 3 Connector ZIF flex 32 pin auxiliary PCB 491243 15...

Страница 122: ...P N 33 Screw plastite 871031 34 Sensor lock 022943 35 Sensor shroud 022944 36 Spacer 023452 37 Stiffener printer button 023131 38 Tap foam 88 x 38 023300 39 BZ1 Transducer audio piezo ceramic 691230...

Страница 123: ...y depressing the instrument measure button once Spot check mode computes SpO2 averaged over five valid pulses and displays SpO2 and pulse rate at the end of the measurement interval If the printer is...

Страница 124: ...2 Pulse Rate 20 250 bpm 3 digits2 Response In spot check mode the measurement cycle from button press to display of data is five valid pulses depending on patient pulse rate and perfusion In extended...

Страница 125: ...sducer DF A 40 kg NOTE DURAFORM oxygen transducers are not available for sale in Europe Electrical Specifications BATTERY Type Four 1 5 V alkaline C batteries Battery Capacity N 20P 32 hours typical N...

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