ROBD2 User Manual
Contents
1. 5 HS FIVOS 3LVd S3A IXAN rec N WU oul 1 MAANAN ONIMVUC ON LNAI 4000 AZIS 35139 l 40 upd uj 10 uj 10 uossad NoWovad duo siqoyoo 10 p jdo 40 pesnpoides jou 090 712 2 ou jo padosd aalsnjoxa Aipjejidoud s TILIL 23 0 y ye0s0 5 NVI ag 2 1 SOINONIANI ALVA paijloads asimsayjo ssejun INY din dO07 ONIHLV3N ony aly 56444 5 45 44055144 00 1 49000 lt 3415 NOILNSLada AJLI SI HILIAS 2 2 061 T300W XOSNIS 1 0 07 421414 axi dav avd Ag 2530 SNOISIAGY PULSE OXIMETER MAY 2010 36 Figure 4 P amp ID ROBD2 USER S GUIDE2. FIGURES FIGURE 1 FRONT 2 FIGURE 2 PULSE OXIMETER KEYS INDICATORS AND ICONS 4 3 lt 5 4 amp gt 36 LIST OF ABBREVIATIONS ACRONY MS AC Alternating Current EMI Electromagnetic Interference HZ Hertz LCD Liquid Crystal Display LPM Liters Per Minute MFC Mass Flow Controller NAG Nitrogen and Air Generator P amp ID Piping and Instrument Diagram PSIG Pounds Per Square Inch Gauge RFI Radio Frequency Interference SUT Subject Under Test VAC Volts Alternating Current VDC Volts Direct Current VI OVERVIEW OVERVIEW The second generation Reduced Oxygen Breathing Device ROBD2 is computerized gas blending instrument The system uses Thermal Mass Flow Controllers MFC to mix breathing air and nitrogen to produce the sea level equivalent atmospheric oxygen contents for altitudes up to 34 000 feet The MFCs are calibrated on primary flow standards traceable to the National Institute of Standards and Technology NIST NIST is a federal agency whose mission is to develop and promote measurement standards and technology to enhance productivity facilitate trade and improve the quality of life Several safety features are built into the ROBD2 to prevent over pressurization of the Pilot s mask and to prevent reduced oxygen contents below those being r
3. If the 02 content falls outside the limits set by the test the test will fail Click OK to acknowledge the failure Oxygen dump test tests the O2 switch 2 valve and alarm This test checks the operation of the emergency oxygen dump switch and the valve that provides the flow of 100 oxygen The operator will be prompted in this test to activate and de activate the dump switch Pay close attention to the prompts After the switch is tested the system will verify the operation of the DUMP valve by verifying that the sensor reads 100 Finally the test will sound the audible oxygen alarm The operator will be prompted to press OK if the alarm is audible and FALL if it is not Oxygen pressure switch test This test will verify that the oxygen pressure switch works properly The operator will be prompted to remove pressure from the oxygen port This can be done by disconnecting the hose at the cylinder The quick connect fitting on the gas regulator has a check valve When the hose is removed the gas regulator is isolated Be sure to follow the prompts carefully Pressure sensor test This test verifies the operation of the pressure transducer that monitors the pressure supplied to the pilot s mask The transducer is a 0 to 5 VDC bi directional sensor which monitors 20 H20 The test monitors the pressure sensor at 0 H20 at which the sensor should provide 2 5 VDC ROBD2 USER S GUIDE 13 MAY 2010 POWER UP AND SE
4. Press the key again to exit the alert limits mode or the monitor will automatically return to normal display mode after ten seconds ROBD2 USER S GUIDE 33 MAY 2010 PULSE OXIMETER Muting the alert To mute the audible alert for two minutes Press the a key The amp icon flashes yellow and any audible alerts sounding are muted To cancel two minute mute Press the lt key The go icon is off Any alerts that are active will sound an alarm tone To disable alert audio Press and hold the amp key until the icon illuminates approximately three seconds To enable alert volume Press the amp key and the icon will turn off Adjusting the alert volume 1 Press the key to display the current alert volume level The SpO window will display for alert and the pulse window will display the alert volume level that is currently selected 2 Press mm toincrease W to decrease the alert volume level Each time the W key is pressed a short sample tone will sound at the new volume level The sample tones will not occur if the audible alert is disabled illuminated 3 The Model 515B will return to normal display mode ten seconds after the last or w key press or sooner by pressing the or 9 keys The new value will remain in effect even after the monitor is turned off This parameter is stored in battery backed memory and will be reset to default value i
5. key Sets saturation alert limits when used with the w keys Press and hold to set auto alert limits Increase decrease keys Press to set pulse and alert audio level Sets alert limits when used in conjunction with SpO and Pulse keys Saturation and pulse rate displays Satura tion and pulse rate values will appear Status messages will appear if necessary Pulse oximeter keys indicators and icons AC indicator Green when the monitor is connected to AC power and rear panel power entry module switch is set to I ON Finger probe icon Flashes red when no probe is connected or the probe is off the patient Red for any sensor errors which occur during monitoring Hand icon Yellow when monitor is searching for valid signal and data is being held Audio disabled icon Flashes yellow when the audio has been disabled Two minute silence indictor yellow when the audio has been muted for two minutes Signal bar Pulses with respect to moni tored pulse rate Amplitude corresponds to signal strength Figure 2 Pulse oximeter keys indicators and icons ROBD2 USER S GUIDE MAY 2010 SYSTEM LAYOUT Rear Panel Layout BREATHING BAG RS232 VENT AIR NITROGEN BREATHING LOOP PRESSURE OXYGEN Figure 3 Rear panel layout Power Input The power entry module supplies AC power to the internal power supplies The internal power supplies convert
6. Programming and Technical Guide Pressing CANCEL during the process will terminate the calibration process and the new calibration data will not be stored N2 source calibration If high pressure gas cylinders are being used for the nitrogen and air sources then this self calibration routine will not run This routine is only run if the NAG is being used Because of the inefficiency of any filter some oxygen will be present in the nitrogen source typically less than 2 The system will determine the oxygen content during this routine The amount of oxygen present in the N2 source will be compensated for by adjusting the gas mixture ratio in the pilot test mode With high pressure cylinders the amount of oxygen in the nitrogen source is negligible The routine will monitor the nitrogen source from the NAG for 1 minute It then stores the value and uses it in other operating modes From the OPTION menu select CAL N2 SOURCE During this calibration the following will be displayed ANALYZING N2 SOURCE CONTENT REMAINING TIME If the content of nitrogen is less than 97 5 a warning will be shown ROBD2 USER S GUIDE 16 MAY 2010 POWER UP AND SELF TESTS Test altitudes This routine checks the accuracy of the blending system and the oxygen sensor by running air and nitrogen blends that span the full range of the MFCs Three altitudes are tested 5000 feet 20000 feet and 34000 feet From the OPTION menu select TEST ALTITUDES The fo
7. and regulate the AC signal to the five DC voltages required by the system electronics The power entry module has integrated EMI RFI filtration and switch one or both hot lines dependent upon 110 or 220 VAC operation The power entry module also has two replaceable fuses Gas Inputs These gas inputs supply source gas to the system components The optional quick connect fittings for these ports are colored and keyed The Nitrogen input is black the Air input is yellow and the oxygen input is green The Nitrogen and air inputs should be pressurized to a dynamic pressure of 40 PSIG and the oxygen input should be adjusted to a dynamic pressure of 20 PSIG ROBD2 USER S GUIDE 5 MAY 2010 SYSTEM LAYOUT RS 232 Port One 9 pin RS 232 serial port is connected to the embedded controller of the ROBD system This port is used for remote control of the ROBD2 using a host computer and communications software Communication protocol is provided the programming and technical guide This protocol can be used to develop control and data collection programs using programs such as National Instruments Labview Breathing loop vent port This port vents the excess flow of gas not used during inhalation and exhalation and also limits the pilot mask pressure Breathing bag port This port is used to connect the latex free neoprene breathing bag The breathing bag is used to store mixed gas to satisfy the higher than average inhalation and to satisfy s
8. and undo the rotary latches 2 Remove the cover and pull the system out by the side handles If the optional pressure regulators were purchased with the system they are stored under the area taken up by the ROBD2 The breathing bag is also located in this area as well as other miscellaneous items Installation 1 Install the system on a table or cart such that the back of the system is flush with the back vertical side of whatever it is installed on This is due to the fact that the breathing bag hangs below the bottom of the system and needs to hang freely 2 Remove the plugs caps in the N2 air and 02 gas ports Also remove the red threaded plug from the breathing loop vent port 3 Remove the red cap from the breathing bag port connector Be sure to leave the metal hex plug in the breathing loop port This port is mainly for troubleshooting purposes so that a pressure gauge can be connected to monitor breathing loop pressure 5 Proceed to the section titled Power and gas connections ROBD2 USER S GUIDE 7 MAY 2010 POWER AND GAS CONNECTIONS POWER AND GAS CONNECTIONS After the RODB2 is unpacked the system should be connected to power and the appropriate gas sources to the gas inlet ports on the rear panel Environics recommends the use of a power conditioner as recommended for computers to eliminate power problems from affecting system operation WARNING OPERATING THE ROBD2 AT AN INCORRECT LINE VOLTAGE WILL
9. display 2 Pulse Bar Pulse Display The displays are updated once per second as the monitor is acquiring data If the monitor cannot detect a regular and rhythmic pulsatile signal for periods longer than 45 seconds the display will blank out and will be displayed in the SpO2 and Pulse rate displays If the signal should return and regular and rhythmic pulsatile data is detected the display will update with the new values When the oximeter detects a pulsatile signal that is too low to be processed after previously receiving an acceptable signal and displaying data the icon will illuminate This indicates that the SpO2 and pulse rate data has been held since the last acceptable signal If an acceptable signal is not detected within 30 seconds dashes will be displayed the icon will flash and the appropriate status code will appear When the monitor is not detecting a valid signal the display will react to the condition that exists If the monitor is operating normally and no probe is connected or if a probe is connected but not attached to a subject the displays will show dashes and the W con will also flash ROBD2 USER S GUIDE 31 MAY 2010 PULSE OXIMETER Pulse Activity Bar The signal bar or pulse activity bar is derived from the pulsatile signal that is measured by the monitor The height of the bar with each pulse beat is proportional to the strength of the signal for low to medium signals and is a
10. enter the START mode At any time after the system has run the automatic self test function individual self tests or self calibration routines can be run individually from the OPTION menu To run the self calibration sequence select the self calibration menu item from the OPTION menu Depending upon the gas source being used the self calibration process will vary Either way no operator interface is required during each self calibration routine Oxygen sensor calibration The oxygen sensor calibration is run automatically from the SELFTST key or can be run separately by selecting CAL SENSOR from the OPTION SELF CALIBRATE menu To calibrate the oxygen sensor first air is delivered to the oxygen sensor The 02 content of air is known to be 20 947 The following will be displayed ANALYZING AIR 02 lt REMAINING TIME ACTUAL 02 PERCENT AS READ BY 02 SENSOR g DC VOLTAGE see ROBD2 USER S GUIDE 15 MAY 2010 POWER UP AND SELF TESTS Once the system has calibrated the sensor for air it will proceed to supplying 100 02 to the sensor The following will be displayed ANALYZING 100 02 ACTUAL 02 PERCEN AS READ BY 02 SENSOR _____ lt REMAINING TIME DC VOLTAGE BY 02 SENSOR Once the sensor has calibrated to 100 02 the calibration will display complete and automatically move on to the next calibration routine If any failures occur during this test refer to the troubleshooting section in the
11. point Pressing the ENTER key completes the entry of the numeric data selected Arrow Keys The arrow keys are used to move the cursor on the display screen to and from different fields located on the different entry screens or to scroll up or down a menu or list of information Pressing and holding the arrow keys will cause them to repeat Menu Key The MENU key has no function while the system is in the Operator s mode This key is used to move between multiple menus while the system is in the Administrator ADMIN mode The ADMIN mode is restricted to those who have programming and troubleshooting rights Oxygen dump switch This emergency stop switch is used to trigger to supply of 100 02 to the pilot under test Breathing mask connector This female connection port MS 22058 1 with spring loaded cover is for the pilot s breathing mask connection Pulse oximeter probe connector This connector can be used with a finger tip probe or Y sensor with ear clips The probes should not be connected until after the pulse oximeter has been powered on and runs through its own self test ROBD2 USER S GUIDE 3 MAY 2010 SYSTEM LAYOUT POWER button Press to turn the monitor on or off Audio key Press to toggle two minute silence and reset alert conditions when active Press and hold for audio disable Pulse Key Sets pulse rate alert limits when used with the W keys Press and hold to set auto alert limits SpO
12. will be prompted to enter it If there is no password the system will automatically switch to ADMIN mode To exit ADMIN mode select ADMIN MODE from the menu and press ENTER The system will disable administrator mode regardless of any password setting When the system is in Admin mode ADMIN will be displayed on the main menu screen SET TIME DATE The SET TIME DATE function allows you to set the Time and Date displayed on LCD screen Three fields to display the day date and time will appear With the left right arrow keys move the cursor to the desired date or time field to be changed and press the up and down arrow keys to set the correct time and or date Note the day of the week is calculated by the system automatically When the correct time and date are entered press the EXIT function key to return to the OPTION menu ROBD2 USER S GUIDE 27 MAY 2010 SYSTEM OPERATION ADJUST CONTRAST The contrast of the LCD display is affected somewhat by the angle at which the display is viewed as well as the ambient temperature To adjust the contrast for optimum results 1 Using the up and down arrow keys move the pointer cursor down to the line that reads ADJUST CONTRAST and press the ENTER key The following screen appears 2 Press the up arrow to increase the contrast on the screen When increasing the contrast the contrast number will increase to a maximum 100 Use the down arrow to decrease the contrast on the s
13. CYL This will set the N2 source gas concentration to 100 When using the NAG select NAG This tells the system that the 2 Source calibration needs to be run during the Self Calibration process N2 source calibration measures the content of the nitrogen gas source to determine the concentration of nitrogen in the gas It is very important to select the correct gas source otherwise significant concentration errors may result ROBD2 USER S GUIDE 26 MAY 2010 SYSTEM OPERATION 2 DUMP PRESSURE The O2 Dump Pressure setting determines whether or not the subject under test receives pressurized O2 during an 2 dump cycle When ENABLED the SUT will receive pressurized O2 during an O2 dump cycle This is the default setting When DISABLED the breathing loop pressurization solenoid will remain open and the SUT will receive unpressurized O2 during an O2 dump cycle Press the TOGGLE key to toggle the setting between ENABLED and DISABLED After selecting the desired setting press EXIT to return to the previous menu The selected setting will be retained in memory even after power to the ROBD system has been turned off ADMIN MODE The ADMINinstrator MODE allows access to Administrator level functions which include programming of test routines PROG mode and system functions SYSTEM mode such as MFC calibration To enter ADMIN mode select ADMIN MODE from the menu and press ENTER If there is an Administrator password you
14. DAMAGE THE INSTRUMENT AND VOID THE MANUFACTURER S WARRANTY CHECK THE LINE VOLTAGE BEFORE YOU PLUG THE INSTRUMENT INTO ANY POWER SOURCE Power Connection 1 Important The indicating insert of the power entry module must read either 115 or 230 V dependent upon the actual voltage being used If it is not set for the voltage being connected remove the insert rotate it to the correct setting and reinstall see below Set for 115V for 100 120 VAC 50 60 HZ and 230 V for 200 240 VAC 50 60 HZ operation Insert the standard power cord supplied with the system into the power connector on the rear panel and insert the plug into a properly grounded outlet The standard unit allows for 110 240 VAC 50 60 Hz Do not turn the power on at this point proceed to the section titled Gas connection Voltage indicator ROBD2 USER S GUIDE 8 MAY 2010 POWER AND GAS CONNECTIONS Gas Connection Input Gas Connections Input Gas connections are keyed and colored quick connect fittings T On the rear of the ROBD2 connect the air yellow and nitrogen black at a pressure of 40 PSIG to the respective ports Connect the 100 oxygen green source at a pressure of 20 PSIG These pressures may need to be adjusted while the system is flowing The above listed pressures are dynamic It is important that the gas pressures stay within the ranges specified for each gas port Otherwise the system may produce gas blends that fall outside t
15. Environics Model 6202 Reduced Oxygen Breathing Device 2 Operator s Guide Revision 6 05 2010 Software Rev 6202 0 97 XX Environics Inc 69 Industrial Park Road East Tolland CT 06084 2805 USA Phone 860 872 1111 Fax 860 870 9333 E mail INFO ENVIRONICS COM Web HTTP WWW ENVIRONICS COM COPYRIGHT 2003 2010 Environics Inc All Rights Reserved This manual and the software contained within the product s described are copyrighted with all rights reserved TRADEMARKS Environics is a registered trademark of Environics Inc All other brand names company names and product names mentioned are the property of their respective owners PATENTS This product is licensed from the U S Navy under U S Patent Application No 10 959 764 WARRANTY Environics Inc warrants this product to be free from defects in material and workmanship for a period of one year from the date of shipment Environics warrants the following expendable items for 30 days from the date of shipment fuses lamps batteries During the warranty period Environics will at our option either repair or replace any product that proves to be defective To exercise this warranty contact Environics at the address below for assistance and instructions for returning the products Repaired or replaced products are warranted for the balance of the original warranty period or at least 30 days LIMITATION OF WARRANTY This warranty does not apply to defects
16. LF TESTS Pulse Oximeter test This test verifies that the embedded micro controller of the ROBD2 can communicate with the integrated pulse oximeter The pulse oximeter has its own built in self test which runs upon power up If the pulse oximeter self test fails the embedded micro controller of the ROBD2 will not be able to communicate If the communication link fails the pulse oximeter self test displays the failure Air shutdown test This test confirms the operation of a safety feature to shut the system down in the event of low input air pressure The air MFC has an alarm signal that activates if the internal MFC valve opens to maximum capacity This generally indicates that there is not enough pressure on the MFC to satisfy the required flow rate This would lead to elevated N2 levels in the breathing loop during normal operation This feature uses the MFC alarm signal to stop flow and provide 100 oxygen to the breathing loop The operator must follow the prompts to disconnect and reconnect the air source to confirm the passage of test ROBD2 USER S GUIDE 14 MAY 2010 POWER UP AND SELF TESTS Self Calibration Operations Before running programs the system must run through its self calibration routine at the start of each operating day and every time the system is powered on These tests will run automatically after the system has warmed up for 10 minutes If this process is not run the system will not allow the operator to
17. Programming and technical manual The following information will be seen in two separate screens By pressing the MENU key and VIEW the screens be toggled RUNPRG SCREEN 1 PROGRAM STEP INFO gt CURRENT ALTITUDE _ gt lt ELAPSED TIME lt REMAINING TIME ACTUAL 02 PERCENT AS READ BY 02 SENSOR 4 BREATHING LOOP PRESSURE 20 RUNPRG SCREEN 2 PROGRAM STEP CURRENT ALTITUDE ACTUAL 02 PERCENT REMAINING TIME gt SET ALTITUDE BAR TREND BARS 34000 FEET MAX AS CURRENT ALTITUDE BAR SHOWN ROBD2 USER S GUIDE 21 MAY 2010 SYSTEM OPERATION RUNPRG EXAMPLE STEP 1 HOLD AT 34000 FEET FOR 2 MINUTES STEP 2 CHANGE TO 0 FEET AT 18000 FT MIN STEP 3 HOLD AT 0 FEET FOR 1 MINUTE STEP 4 CHANGE TO 20000 FEET 30000 FT MIN STEP 5 END OF PROGRAM STEP 1 SCREEN 1 SCREEN 2 STEP 2 SCREEN 1 SCREEN 2 STEP 3 SCREEN 1 SCREEN 2 STEP 4 SCREEN 1 SCREEN 2 ROBD2 USER S GUIDE 22 MAY 2010 SYSTEM OPERATION While in the RUNPRG mode pressing the STOP key will abort the program Pressing the ADVANCE key while in the run mode will advance the program to the next step regardless of how much time remains in the current step Pressing the 02 DUMP switch will cause the program to shut down and the system will supply 100 02 to the SUT will continue to flow until the dump switch is disengaged by turning it clockwise Pressing the MENU key while in the r
18. RESSURE ADMIN MODE SET TIME DATE ADJUST CONTRAST SYSTEM INFO Select the desired function by using the arrow keys then press ENTER ROBD2 USER S GUIDE 24 MAY 2010 SYSTEM OPERATION TEST RESULTS The Test Results function displays the results of all Self Test and Self Calibrate functions The test item is listed on the left with the result shown on the right Below is a sample test result display TEST RESULTS MFCS OK PULSE OXIM OK 02 DUMP VALVE 02 DUMP SWITCH FAIL 02 DUMP ALARM 02 PRESS SW OK 02 SENSOR OK PRESS SENSOR OK 02 SENSOR CAL 5 N2 SOURCE CAL SKIP ALTITUDE TEST 5 AIR MFC SHUTDN FAIL OK indicates that the test has been run and completed successfully FAIL indicates that the test has been run but has failed SKIP indicates that the test has been skipped and has not yet been run The software will not allow access to the PILOT TEST menu until all tests show OK Press the EXIT key to return to the OPTION menu SELF TEST The Self Test function allows various self tests to be run either all at once or individually The available menu items are shown below TEST ALL TEST 5 TEST 2 SENSOR TEST 02 DUMP TEST 02 PRESS SW TEST PRESS SENSOR TEST PULSE OX TEST MFC SHUTDOWN To run all Self Tests position the cursor on TEST ALL and press ENTER For each self test the software will ask you to confirm that you want to run the test Select YES to run th
19. cation in the event of an emergency Prior to participation in ROBD2 training or research the subject under test should have the equivalent to a FAA physical of any class or military flight physical and be screened for current health status prior to the run ROBD2 USER S GUIDE 1 MAY 2010 SYSTEM LAYOUT SYSTEM LAYOUT Front Panel Layout I Environics ROBD2 ADVANCE STOP OXYGEN DUMP PROGRAM Pulse Oximeter BREATHING MASK CONNECTOR Figure 1 Front panel layout LCD Display The liquid crystal display LCD is a four line 20 characters display protected by a clear lens The display is illuminated when the system is in operation Function Keys Three function keys F1 F2 and located below the display and are used to make various selections from the menu displayed on the bottom line of the screen The current function of each key is displayed above each function key on the bottom line of the display The function of each key will change depending on the current operating mode ROBD2 USER S GUIDE 2 MAY 2010 SYSTEM LAYOUT Advance and Stop keys The ADVANCE and STOP keys are used while running a program in the Pilot Test Mode START mode The STOP key aborts the program immediately upon pressing the key The ADVANCE key immediately advances the program to the next step upon pressing the key Numeric Keypad The numeric keypad is used for data entry of numbers 0 through 9 and a decimal
20. creen When decreasing the contrast the contrast number will decrease to a minimum value of 0 The numerical value is shown for reference since the user may not detect a change in contrast on the screen The contrast value will change in increments of five 3 After reaching the desired contrast setting press DONE to return to the OPTION menu SYSTEM INFO Selecting System Info will bring up a display of the system model number serial number and software version ROBD2 USER S GUIDE 28 MAY 2010 SAFETY FEATURES SAFETY FEATURES There are a number of built in safety features to either alert the operator or stop the operation of the system and go to a safe mode of operation Oxygen dump switch An emergency Oxygen Dump switch has been provided to supply 100 oxygen on demand as the subject under test SUT becomes hypoxic The emergency switch is activated by depressing it which starts the flow of oxygen Once the SUT has recovered as determined by pulse oximeter analysis turning the switch clockwise will stop the flow of 100 02 When the 02 dump switch is pressed the following screen appears assuming a program is running Data displayed will be dependent upon altitude The concentration of oxygen read by the internal 02 sensor will be displayed If the concentration of oxygen is not above 90 within 5 seconds an internal alarm will sound Also if the concentration of 02 drops below 90 after 5 seconds the alarm wi
21. djusted to fit the graph for large signals This pulse activity bar represents the subject s pulse and should show regular rhythmic movement Erratic or non rhythmic movement may indicate poorly positioned or applied sensor or may be indicative of excessive subject movement at the sensor site SpO2 and Pulse Rate Alerts Alert Limit Violations When the oximeter detects SpO2 or pulse rate values that exceed either the high or low limits both an audible alert tone and visual alerts are generated The audible alert volume can be adjusted or an alert can be muted for two minutes or disabled see Muting the alert The visual alerts are the limit arrows high or low and the out of range numeric value A limit arrow either high or low will flash in the violated parameter window either SpO2 or pulse rate The numeric value which is out of range will also flash If the alert condition no longer exists the alerts will stop however the limit arrow will flash until acknowledged by pressing the alert reset key High Low indicators ROBD2 USER S GUIDE 32 MAY 2010 PULSE OXIMETER Setting gt alarm alert limits 1 Press the key once for setting the upper alert limit To advance to setting the lower alert limit without adjusting the upper limit proceed to step 4 2 5 display will show the currently set upper alert limit The inthe 5 display area will illuminate red indicating that the upp
22. e test or NO to skip to the next test ROBD2 USER S GUIDE 25 MAY 2010 SYSTEM OPERATION To run an individual self test position the cursor on the desired test and press ENTER While a test is running you may be prompted to perform various actions Be sure to follow the prompts carefully otherwise the test may fail In the event that a test fails you will be prompted with TEST FAILED REPEAT TEST Press YES to rerun the test otherwise press NO SELF CALIBRATE The Self Calibrate function allows various self calibration checks to be run either all at once or individually The available menu items are shown below CAL ALL CAL 2 SENSOR CAL N2 SOURCE TEST ALTITUDES To run all Self Calibrations position the cursor on CAL ALL and press ENTER For each test the software will ask you to confirm that you want to run the test Select YES to run the test or NO to skip to the next test To run an individual test position the cursor on the desired test and press ENTER While a test is running you may be prompted to perform various actions Be sure to follow the prompts carefully otherwise the test may fail In the event that a test fails you will be prompted with TEST FAILED REPEAT TEST Press YES to rerun the test otherwise press NO GAS SOURCE The GAS SOURCE function is used to select the source for gases to the ROBD2 This can be either high pressure gas cylinders or the NAG When using gas cylinders select
23. eathe through the mask during the self test or self calibration process since oxygen will not be present at all times The pilot s mask can now be connected Press the START key to enter the PILOT TEST MENU To run the Positive Pressure Training Press the PPT key from the PILOT TEST MENU Once in the PPT mode press START The system will generate a high flow of air at a pressure of approximately 10 H20 Press STOP when finished The pressure and flow will drop to the same rates as before pressing START Press EXIT when complete or press START to repeat the test Enter RUNPRG to run a pre programmed sequence Select one of twenty pre saved programs The programs are stored as HRT Hypoxia Recognition Training FSHT Flight Simulator Hypoxia Training or OSFT Oxygen System Failure Training Either allow program to complete or select MENU to run a manual altitude Manual altitude will interrupt the program Select EXIT to return to the program If running an OSFT program press MENU and select 02FAIL to bring the 0 level to that of the sea level equivalent for the desired altitude Otherwise air will be delivered to the mask for all altitudes ROBD2 USER S GUIDE 10 MAY 2010 QUICK START PROCEDURE 10 Select ADVANCE or STOP keys to perform the respective function ADVANCE will automatically skip to the next step in the program STOP will abort the program 11 If the subject is at risk of becoming hypoxic press the 02 DUMP eme
24. equested for a particular altitude The software is Menu driven The main operator s menu consists of three selections simplifying the use of the system for the field operator Built in self tests verify all system component functionality before the operation of the system can begin If any self tests fail the system will not operate The system is designed to work with both bottled gases and gases produced by a Nitrogen Air Generator NAG This manual contains information and guidance for setting up and operating the ROBD2 Step by step instructions are provided for connecting power and gas sources running the self tests running the self calibration routines and running programmed sequence of altitudes on the subject under test SUT Descriptions of alarms and safety features are provided along with actions to be taken in the event of an alarm condition A piping and instrument diagram P amp ID is provided on the last page of the manual for an overview of the electrical pneumatic and electro pneumatic components contained within the instrument For a more comprehensive description and illustration of the system components see the internal layout section of the ROBD2 Programming and Technical guide Programming theory of operation technical and troubleshooting information are provided in the Programming and Technical Guide IMPORTANT The ROBD2 operator should be certified in first aid and CPR and have access to communi
25. er alert limit can be adjusted The SpO upper alert limit can be adjusted from 100 55 Press the key to increase the alert limit or 78 to decrease the alert limit Press the key again for setting the lower alert limit W inthe SpO display area will illuminate red indicating that the lower alert limit can be adjusted The SpO low alert limit can be adjusted from 95 50 Press the key to increase the alert limit or WW decrease the alert limit 6 Press the key again to exit the alert limits mode or the monitor will automatically return to normal display mode after ten seconds Setting pulse rate alarm limits 1 Press the key once for setting the upper alert limit To advance to setting the lower alert limit without adjusting the upper limit proceed to step 4 2 The pulse rate display will show the currently set upper alert limit Press the key to increase the alert limit WW to decrease the alert limit The inthe pulse rate display area will illuminate red indicating that the upper alert limit can be adjusted The Pulse Rate upper alert limit can be adjusted from 250 35 4 Press the key again for setting the lower alert limit The W inthe pulse rate display area will illuminate red indicating that the lower alert limit can be adjusted The Pulse rate lower alert limit can be adjusted from 245 30 Press the key to increase the alert limit or WW to decrease the alert limit 6
26. er is displayed Then press the ENTER key or use the left right arrow keys to position the cursor in the desired location The SPACE function key is used to enter a blank space The CLEAR function key will clear all data entered The ENTER function key will complete the entry of data ROBD2 USER S GUIDE 18 MAY 2010 SYSTEM OPERATION Main Screen Ready mode The ROBD2 was designed with emphasis on simplicity and ease of operation The system s menu driven software guides the operator through all operating routines The following menu items are available to the user START The START key is used to enter the Pilot Test mode The Pilot Test mode is where all pilot testing takes place The START key is disabled until the warmup time has elapsed and all self test and calibration operations have completed successfully SELFTST The SELFTST key runs the system self test and calibration operations These operations must be run before the START key can be used to enter the Pilot Test mode The menu selection disappears after the Self test process has run Self test and self calibration routines can be run individually or together from the OPTION menu OPTION The OPTION key is used to enter the OPTION menu which is used to set various system options display self test results and run self test and self calibration Also the OPTION menu is used to set time and date adjust display contrast and view software revision and system s
27. erial number ROBD2 USER S GUIDE 19 MAY 2010 SYSTEM OPERATION START Pilot Test mode Standby status in Pilot Test mode Once in this menu the operator can select to run a program or the PPT mode PPT Positive Pressure Training mode The Positive Pressure training mode provides high flow and high pressure to the pilot s mask This mode supplies air at 95 LPM and a pressure of 10 H20 When first entering the PPT mode the nominal flow rate of standby air is delivered to the mask at 14 LPM When the START key is pressed flow and pressure are increased to 95 LPM ata pressure of 10 H20 Press the STOP key to return to standby flow and pressure The oxygen content and breathing loop pressure BLP is displayed on the screen while in the PPT mode ROBD2 USER S GUIDE 20 MAY 2010 SYSTEM OPERATION RUNPRG Running a test program The RUNPRG mode is used to conveniently recall one of 20 saved programs with up to 99 steps of altitude changes The program must be setup prior to using the RUN mode refer to the PROGRAM mode section of the technical manual When entering the RUNPRG mode the following screen will appear Note program names shown are for example purposes only Using the up and down arrow keys select the program to run The highlighted program will have the greater than sign to the left of the program number NOTE this mode requires instrument pre programming This programming information is in the
28. es self calibration Fixed erroneous information and typographical errors 3 0 96 XX 02 09 2006 Added statement bottom page 1 Added Breathing loop pressure port Bottom page 6 Added safety feature Top page 31 0 96 04 26 2006 Modified 2 dump screen page 29 _ Added restrictions to connecting pulse oximeter probe pages 3 10 amp 12 0 96 XX 9 27 2006 Added note about powering on the pulse oximeter in Quick start page 10 0 97 5 5 2010 Added 2 DUMP PRESSURE setting to OPTION menu Modified O2 Dump and O2 Pressure safety feature section Corrected Patent information TABLE OF CONTENTS LIST OF FIGURES LIST OF ABBREVIATIONS ACRONYMS OVERVIEW SYSTEM LAYOUT Front Panel Layout Pulse oximeter keys indicators and icons Rear Panel Layout UNPACKING AND INSTALLATION Standard packaging and unpacking Transport case option and unpacking Installation POWER AND GAS CONNECTIONS Power Connection Gas Connection QUICK START PROCEDURE POWER UP AND SELF TESTS Power up Warmup Self test calibration Self Test Operations Self Calibration Operations SYSTEM OPERATION Entering data Main Screen Ready mode START Pilot Test mode Option menu SAFETY FEATURES PULSE OXIMETER SpO2 and Pulse Rate Displays SpO2 and Pulse Rate Alerts lt lt COON NNNOOAOAANN LIST
29. f the monitor is reset to factory defaults See Resetting to Factory Defaults on page 19 NOTE If the and W keys are pressed while the monitor is sounding an alert they will only set the alert volume Pulse volume cannot be adjusted when the monitor is alerting ROBD2 USER S GUIDE 34 MAY 2010 PULSE OXIMETER Pulse beep volume control To adjust the pulse beep volume Press the 7 key to display the current pulse volume level The SpO window will display PUL for pulse and the pulse window will display the pulse volume level that is currently selected Press toincrease W to decrease the pulse volume level Each time the lt or wW key is pressed a short sample tone will sound at the current volume level The sample tones will not occur if the audible alert is disabled illuminated The oximeter will return to normal display mode ten seconds after the last or 7 key press or sooner by pressing the or keys The new value will remain in effect even after the monitor 1s turned off This parameter is stored in battery backed memory and will be reset to the default value if the monitor is reset to factory defaults See Resetting to Factory Defaults on page 19 NOTE If the and 7 keys are pressed while the monitor is sounding an alert they will only set the alert volume Pulse volume cannot be adjusted when the monitor is alerting ROBD2 USER S GUIDE 35 MAY 2010
30. he accuracy specifications of the system Connect the pilot mask to the Breathing mask connector on the front panel of the system Connect the Breathing bag to the Breathing bag port connector on the rear panel A clip has been provided on the breathing bag to help further secure it to the port Proceed to the Section titled Power up and self tests As an option the following Quick start procedure can be used This is a less detailed step by step guide on how to operate the instrument ROBD2 USER S GUIDE 9 MAY 2010 QUICK START PROCEDURE QUICK START PROCEDURE 1 Before Powering the system make sure to perform the steps outlined in the section titled Power and gas connection Power on the system and pulse oximeter The system will prompt for the Gas Source Select either CYL Pressurized gas cylinders or NAG Nitrogen and air generator Note the pulse oximeter probe can be connected anytime after the pulse oximeter is powered on Allow the warm up time to elapse 10 minutes Once warm up time has elapsed press the SELFTST function key Follow the self test prompts carefully as errors in following the prompts will cause failures in the self test After the self tests have run the system will perform a self calibration The 02 sensor will calibrate followed by cal N2 source if the NAG is being used and test altitudes DANGER During self tests gas will be delivered to the mask breathing bag and vent port Do not br
31. hort quick deep breaths Cooling fan The cooling fan moves approximately 36 cu ft per minute of filtered air through the ROBD chassis and out the cooling vents on the top cover of the chassis The cooling fan should not be obstructed Breathing loop pressure port The breathing loop pressure port on the rear panel of the system can be used to connect a mechanical pressure gauge or pressure transducer for monitoring breathing loop pressure This port will normally be plugged when the system is operating and has mainly been installed for troubleshooting and verification purposes The system has a built in breathing loop pressure transducer If the plug is not installed during normal operation then the positive pressure option will not function correctly ROBD2 USER S GUIDE 6 MAY 2010 UNPACKING AND INSTALLATION UNPACKING AND INSTALLATION Standard packaging and unpacking 1 Remove the system from the cardboard box in which it was delivered from the factory 2 Remove and read any important instructions or notes found within the box 3 Save and store the box and foam inserts in the event the system needs to be returned to the factory or delivered to another site for operation 4 If the optional pressure regulators were purchased with the system they are delivered in a separate box Transport case option and unpacking 1 The transport case is provided with the ability to be locked If a lock has been added remove the lock
32. ll sound The alarm is deactivated at the time the 02 dump switch is disengaged and the system will go into standby status in the pilot Test Menu Oxygen pressure switch The oxygen pressure switch monitors the input pressure on the oxygen port This prevents operation of the system if there is insufficient pressure to supply enough 2 to the SUT when the 2 Dump Switch is activated This pressure should normally be set between 15 and 20 PSIG If this pressure is less than 10 PSIG the system will not allow any Pilot Test operations If Low O2 Pressure is detected in the Ready mode the system will display LOW 2 instead of READY on the screen ROBD2 USER S GUIDE 29 MAY 2010 SAFETY FEATURES In the Pilot Test Menu if any of the Pilot Test keys RUNPRG or PPT are pressed during a Low O2 Pressure condition the system will display the following screen and prevent the system from running in the Pilot Test Menu The system will once again function when pressure is restored above 12 PSIG Oxygen alarm The alarm will sound for two different scenarios The 02 alarm is only active for the dump feature After pressing the emergency oxygen dump switch if the 02 has not reached 90 in 5 seconds the alarm sounds The alarm will remain active until the emergency switch is turned off Also if during an dump the oxygen content drops below 90 the alarm will sound Oxygen analysis Using the onboard oxygen sensor if the
33. llowing information will be displayed during the testing of each altitude ALTITUDE BEING TESTED EXPECTED 02 VALUE The following information will be displayed after each altitude is tested ALTITUDE BEING EXPECTED 02 TESTED ____ VALUE RESULT gt MEASURED 02 VALUE ROBD2 USER S GUIDE 17 MAY 2010 SYSTEM OPERATION SYSTEM OPERATION Entering data At various times during system operation the operator is required to enter data into the system Entry of numeric data is performed by using the numeric keypad Press the number key s representing the desired data values and press ENTER to record the data in the appropriate field If the numbers entered completely fill the field the value is automatically accepted and the ENTER key is not required Pressing an arrow key will also complete the entry and move the cursor to another field The system automatically adds a decimal point followed by zeros to fill the rest of the field if required For fields requiring alphanumeric data to be entered the arrow keys may also be used to input data The following listing shows the order of the alphanumeric and punctuation symbols that can be accessed by pressing the up and down arrow keys ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 Note that the digits 0 9 can also be entered directly by pressing the corresponding key on the numeric keypad To enter alphanumeric data press the up down arrow until the desired charact
34. oxygen content in any pilot test mode drops below 3 8 the system will automatically turn on the oxygen dump and display a warning message Overpressure detect Using the onboard pressure sensor if the pressure to the mask rises above 20 H20 the system will turn on the oxygen dump and open the bypass valve bringing the breathing loop pressure down to zero Pressure relief valve As a back up to the over pressure detect this mechanical pressure relief valve prevents the pilot s mask from exceeding 27 H20 or 1 PSIG Low air flow detect The Air MFC MFC1 has an alarm signal that activates if the internal MFC valve opens to maximum capacity This generally indicates that there is not enough pressure on the MFC to satisfy the required flow rate This would lead to elevated N2 levels in the breathing loop during normal operation This feature uses the MFC alarm signal to stop flow and provide 100 oxygen to the breathing loop A message appears indicated the failure ROBD2 USER S GUIDE 30 MAY 2010 PULSE OXIMETER PULSE OXIMETER SpO2 and Pulse Rate Displays The measured SpO2 will appear in the display at the upper left of the front panel the pulse rate in the display at the lower left The oximeter ensures that only valid pulsatile signals are processed Bad or invalid data causes alerts to occur and may also cause the displays to show and the SpO2 and pulse rate displays respectively SpO2
35. resulting from product modification made without Environics express written consent or misuse of any product or part This warranty also does not apply to software damage from battery leakage or problems arising from normal wear or failure to follow instructions This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for a particular use The remedies provided herein are the buyer s sole and exclusive remedies Neither Environics nor any of its employees shall be liable for any direct indirect special incidental or consequential damages arising out of the use of its instruments and _ software even if Environics has been advised in advance of the possibility of such damages Such excluded damages shall include but are not limited to costs of removal installation losses sustained as the result of injury to any person or damage to property WARNING READ THIS MANUAL CAREFULLY BEFORE USING THIS INSTRUMENT FAILURE TO DO SO MAY VOID THE WARRANTY DAMAGE THE INSTRUMENT OR CAUSE SERIOUS INJURY ROBD2 Operator s Guide changes Manual Software Manual Revision Revision Release Enhancements Date 1 0 93 XX 11 1 2004 Initial release Added MFC safety feature changed fitting color codes reduced 2 0 96 XX 10 26 2005 maximum altitude to 34K feet modified self tests added purge to pilot test menu added purge after test altitud
36. rgency switch Once the switch is turned off turn clockwise the flow of 100 Oz will stop and the system will generate air only ROBD2 USER S GUIDE 11 MAY 2010 POWER UP AND SELF TESTS POWER UP AND SELF TESTS Power up The system power switch is on the rear panel power entry module Once the system has been powered on the pulse oximeter can be powered on from the front panel IMPORTANT Do not connect the pulse oximeter probe until powering on the pulse oximeter The system will prompt for CYL or NAG upon power up Once the selection is made the system will subsequently proceed to the Warmup screen It is important that all gas connections are made before power up Refer to the section titled Gas connection Warmup The system requires a 10 minute warmup period after it is powered up During the warmup period the screen will display WARMUP and show a 600 second 10 minute countdown During the warmup period the system cannot be run and no self tests can be performed The only available function is the OPTION key After the warmup period the system will show TEST ERR indicating that the system self tests have not been run The SELFTST function key is now available allowing the system self test to be run Self test calibration Pressing the SELFTST key will automatically run all self test and calibration steps sequentially Some tests require user interface while others do not At any time after the system has been powered
37. un mode will toggle the screens back and forth between the two run mode display screens One screen contains the bar graph representation of desired altitude actual altitude and a running trend of altitude The other display screen gives more detailed information including breathing loop pressure elapsed step time remaining step time actual 02 content as read by the onboard oxygen sensor desired altitude current altitude and the actual program step information Manual altitude override While in the RUNPRG mode you can manually override a program step and go directly to any desired altitude Entering a manual altitude will pause the current program and ascend or descend to the new altitude entered To enable manual altitude control while running a program press the MENU key then select MANUAL Enter the new altitude and press ENTER You can enter new altitude values as often as desired You can also increase or decrease the current altitude in increments of 1000 ft but pressing the up or down arrow keys To resume the program from where it was interrupted press EXIT ROBD2 USER S GUIDE 23 MAY 2010 SYSTEM OPERATION Option menu The OPTION menu is used to run self test and self calibration functions and to change various system settings Pressing the OPTION key will bring up the following display The OPTION menu contains a menu with the following items TEST RESULTS SELF TEST SELF CALIBRATE GAS SOURCE 02 DUMP P
38. up and self tests have run for the first time these self tests can be run again either individually or all together from the OPTION menu This is useful for troubleshooting purposes to detect a failure that has occurred after the initial power up self test routine Select SELF TEST from the options menu to run the system self tests Select SELF CALIBRATE to run the system calibration functions including sensor calibration DANGER During self tests gas will be delivered to the mask breathing bag and vent port Do not breathe through the mask during the self test or self calibration process since oxygen will not be present at all times ROBD2 USER S GUIDE 12 MAY 2010 POWER UP AND SELF TESTS Self Test Operations MEC self test The system will test each of the MFCs at three points within the full scale range The test compares the commanded flow to the MFC to the response from the MFC produced by its own internal PID control loop When the MFC is controlling properly the command and response are very close If any point fails the system will indicate the failure and stop the test This will allow for the details of the failure to be recorded by the operator Pressing will allow the remainder of the test to complete Oxygen sensor test The oxygen sensor test will check the on board oxygen sensor accuracy The system will provide air to the sensor for 20 seconds and report the 02 content as read by the un calibrated 02 sensor
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