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VitaGuard®VG310
Pulse oximeter
Operating instructions

Who should readwhich sections in these
operating instructions?
The sections 3to 7coloredblue atthetop ofthepage and in
the table of contents are intendedspecifically for caregivers
without medical background knowledge.
The other sections are intended in particular for doctors and
qualified medical staff.
1General view and list of accessories
2Intended use
3Safety
4Description
5Steps before and after monitoring
6Preparing for SpO2monitoring
7Alarms, displays, and views during monitoring
8Alarm and monitor settings
9Information for the doctor and qualified medical staff
10 Algorithms and measuring principles
11 Evaluating stored data on a PC
12 Specifications
13 Table of figures
NOTE Words and passages in small capitals in these operating
instructions also appearon the display.

Table of contents
Table of contents
1General view and list of accessories ...................................... 11
2Intended use .......................................................................................... 14
2.1 Label on the back of the device .............................................................. 14
2.2 Symbols and warnings .............................................................................. 14
2.3 Indications .................................................................................................... 16
2.4 Intended use and performance .............................................................. 16
2.5 Limitations on VitaGuard®’s intended use ......................................... 17
2.6 Information for the doctor on these operating instructions ......... 17
3Safety .......................................................................................................... 18
3.1 Caregivers’ tasks ......................................................................................... 18
3.2 Allergy risks to patients ............................................................................ 19
3.3 Possible external interference to monitoring .................................... 20
3.3.1 Installation and environment ................................................ 20
3.3.2 Noise risks to monitoring ........................................................ 21
3.3.3 Electrostatic interference ........................................................ 21
3.3.4 Electromagnetic interference ................................................. 21
3.4 Safety with approved accessories only ................................................ 23
3.5 Handling patient cables ........................................................................... 23
3.6 Power supply reliability ............................................................................ 24
3.6.1 Battery voltage indicator ......................................................... 25
3.6.2 Interruptions to the power supply ........................................ 26
3.6.3 Using the rechargeable block battery .................................. 26
3.7 Safety with proper maintenance only .................................................. 27
3.7.1 Cleaning VitaGuard® and accessories ................................. 27
3.7.2 Checking and cleaning the battery terminals ................... 28
3.8 Disposing of non-rechargeable batteries, the device, and
accessories .................................................................................................... 29
4Description .............................................................................................. 30
4.1 Power supply ................................................................................................ 31
4.1.1 Power failure with inserted batteries .................................. 32
4.1.2 Power failure without batteries ............................................ 32
4.1.3 Replacing batteries .................................................................... 33
4.1.4 Using the automobile power supply adapter .................... 34

Table of contents
4.2 VitaGuard® connections .......................................................................... 35
4.2.1 Patient cable for SpO2sensors ............................................... 35
4.2.2 Power adapter ............................................................................. 36
4.2.3 Sound outlet (no socket) .......................................................... 36
4.2.4 USB port ........................................................................................ 37
4.2.5 AUX port ....................................................................................... 37
4.3 Membrane key panel ................................................................................ 38
4.3.1 Direction keys .............................................................................. 39
4.3.2 <Enter> key ................................................................................... 39
4.3.3 <Esc> key ....................................................................................... 39
4.4 Color LEDs (Light Emitting Diodes) ....................................................... 40
4.4.1 Alarm LED ..................................................................................... 40
4.4.2 Heart LED ...................................................................................... 40
4.4.3 Power supply and battery LEDs ............................................. 41
4.5 The display ................................................................................................... 41
5Steps before and after monitoring ......................................... 43
5.1 Summary of steps before monitoring .................................................. 43
5.2 Switching on ................................................................................................ 43
5.3 Switching off ............................................................................................... 44
5.4 Summary of steps after monitoring ..................................................... 45
6Preparing for SpO2monitoring ................................................. 46
6.1 Safety instructions for SpO2monitoring ............................................. 46
6.2 Operation of SpO2sensors ...................................................................... 47
6.3 SpO2sensor adapted to the patient’s size and weight ................... 48
6.4 Choosing the sensor site .......................................................................... 48
6.5 Repositioning or replacing the sensor ................................................. 49
6.6 Reasons for unconvincing SpO2values ................................................ 49
6.7 Why the pulse rate is not displayed ..................................................... 50
6.8 Attaching the SpO2sensor to an infant’s foot .................................. 50
6.9 Attaching the SpO2sensor to an adult’s finger ................................ 51
6.10 Connecting the SpO2sensor and patient cable ................................ 53
6.11 Connecting the SpO2patient cable to VitaGuard® .......................... 53
6.12 Disconnecting the SpO2sensor from the patient cable ................. 54
6.13 Disconnecting the SpO2patient cable from VitaGuard® ............... 54
6.14 Reusing and refastening SpO2sensors ................................................ 54

Table of contents
7Alarms, displays, and views during monitoring ............ 56
7.1 Alarm test ..................................................................................................... 56
7.2 Pulse rate values based on age groups .............................................. 56
7.3 Alarm message priorities in the status line ........................................ 57
7.4 Physiological and technical alarms ....................................................... 57
7.5 Differentiating physiological and technical alarm signals ............ 58
7.6 Acoustic information signals .................................................................. 58
7.6.1 Information signals from the alarm unit next
to the display ............................................................................... 59
7.6.2 Information signals from the sound aperture
between the sockets ................................................................. 59
7.7 The visual alarm signals ........................................................................... 59
7.8 Status line displays .................................................................................... 59
7.9 SpO2monitor alarms ................................................................................ 60
7.9.1 Physiological SpO2alarms ....................................................... 60
7.9.2 Technical SpO2alarms .............................................................. 61
7.10 Pulse rate alarms ........................................................................................ 61
7.11 Alarm messages – meanings and other information ...................... 62
7.11.1 Order of equal-priority alarm conditions ............................ 62
7.11.2 Table of physiological alarm messages ............................... 62
7.11.3 Table of technical alarm messages ....................................... 64
7.12 Table of information messages .............................................................. 66
8Alarm and monitor settings ........................................................ 67
8.1 Safety instructions for the alarm settings .......................................... 67
8.2 Summary of views and menus ............................................................... 68
8.3 Additional views ......................................................................................... 68
8.3.1 View 2 – Large data presentation and waveforms .......... 69
8.4 Changing the settings ............................................................................... 69
8.5 System menu – general settings ............................................................ 70
8.5.1 \ Screen saver (Off/ On) ......................................................... 71
8.5.2 \LCDbrightness ....................................................................... 71
8.5.3 \LCDcontrast ........................................................................... 71
8.5.4 \ Signal beep tone ..................................................................... 71
8.5.5 \ Alarm tone pitch .................................................................... 72
8.5.6 \RS232format ........................................................................... 72

Table of contents
8.5.7 \ Settings protection On, Limited, Off ............................. 72
8.6 SpO2display and menu ............................................................................ 73
8.6.1 SpO2view ..................................................................................... 74
8.6.2 SpO2menu – alarm settings (Settings
protection Limited) .................................................................. 75
8.7 Pulse rate display and menu ................................................................. 76
8.7.1 Pulse rate display ...................................................................... 76
8.7.2 Pulse rate menu – alarm settings (Settings
protection Limited) .................................................................. 76
9Information for the doctor and qualified
medical staff .......................................................................................... 78
9.1 Safety instructions ..................................................................................... 78
9.1.1 Preparing for a new patient .................................................... 78
9.1.2 Connections to the USB and AUX ports .............................. 79
9.1.3 VitaGuard® and other medical devices ............................... 80
9.1.4 Safety instructions for the doctor – SpO2monitor .......... 81
9.2 Info display .................................................................................................. 81
9.2.1 \ Last status messages ............................................................ 82
9.2.2 \ General ...................................................................................... 82
9.2.3 \ Measurements: SpO2............................................................ 83
9.2.4 \ Measurements: Pulse rate ................................................. 84
9.2.5 \ Settings: Oximeter ................................................................ 84
9.2.6 \ Settings: Pulse rate .............................................................. 85
9.2.7 \ Memory/ Internet ................................................................. 85
9.2.8 \Versions .................................................................................... 85
9.3 Settings in the System menu (Settings protection Off) .............. 86
9.3.1 Changing multiple-component settings ............................ 86
9.3.2 \Operating area: Home or Clinic ......................................... 87
9.3.3 \Admitnewpatient– restoring factory settings ........... 87
9.3.4 \Pre-and Post-alarm time .................................................... 89
9.3.5 \ Alarm mute time .................................................................... 89
9.3.6 \Date/time ................................................................................. 90
9.3.7 \ Language .................................................................................. 90
9.3.8 \Analoginput1 + 2 ................................................................ 90
9.3.9 \ Interval recording ............................................................... 90

Table of contents
9.4 Data storage functions ............................................................................. 90
9.5 Event storage .............................................................................................. 91
9.5.1 Silent alarm limits ................................................................... 93
9.5.2 Manual data storage or Transmit data .......................... 93
9.5.3 Summary of stored Events ...................................................... 94
9.6 Trend storage .............................................................................................. 95
9.7 Long term storage over eight hours .................................................... 95
9.8 Protocol storage of operating and device data ............................... 95
9.9 Summary of stored signals and data .................................................... 96
9.10 Settings in the SpO2menu (Settings protection Off) ................... 97
9.11 Settings in the Pulse rate menu (Settings protection Off) ....... 99
10 Algorithms and measuring principles ..................................102
10.1 Alarm condition and report delays ........................................................102
10.2 Alarm report delays ....................................................................................102
10.3 Measuring principle for the SpO2monitor .........................................103
11 Evaluating stored data on a PC .................................................107
12 Specifications ........................................................................................109
12.1 General ..........................................................................................................109
12.2 SpO2and pulse rate monitor ..................................................................111
12.3 Intervals for calculating average values in the Info mask .............112
12.4 Memory .........................................................................................................112
12.5 Ports ................................................................................................................113
12.6 Miscellaneous ..............................................................................................113
12.7 Selection of applied standards ...............................................................114
13 Table of figures .....................................................................................115

Table of contents