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VitaGuard®VG2100
Apnea and Heart Rate Monitor
Operating instructions

Who should read which sections in these oper-
ating 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 heart rate and apnea monitoring
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 .............................................................................. 15
2.3 Indications .................................................................................................... 16
2.4 VitaGuard® modes of operation ............................................................ 16
2.5 Intended use and performance .............................................................. 17
2.6 Limitations on VitaGuard®’s intended use ......................................... 18
2.6.1 Obstructive apneas are not detected ................................... 18
2.6.2 Limitations of the heart rate and central apnea
monitor ......................................................................................... 18
2.7 Information for the doctor on these operating instructions ......... 19
3Safety .......................................................................................................... 20
3.1 Caregivers’ tasks ......................................................................................... 20
3.2 Allergy risks to patients ............................................................................ 22
3.3 Possible external interference to monitoring .................................... 22
3.3.1 Installation and environment ................................................ 22
3.3.2 Noise risks to monitoring ........................................................ 23
3.3.3 Electrostatic interference ........................................................ 24
3.3.4 Electromagnetic interference ................................................. 24
3.4 Safety with approved accessories only ................................................ 25
3.5 Handling patient cables ........................................................................... 26
3.6 Power supply reliability ............................................................................ 26
3.6.1 Battery voltage indicator ......................................................... 28
3.6.2 Interruptions to the power supply ........................................ 28
3.6.3 Using the rechargeable block battery .................................. 29
3.7 Safety with proper maintenance only .................................................. 30
3.7.1 Cleaning VitaGuard® and accessories ................................. 30
3.7.2 Checking and cleaning the battery terminals ................... 31
3.8 Disposing of non-rechargeable batteries, the device, and
accessories .................................................................................................... 31

Table of contents
4Description .............................................................................................. 33
4.1 Power supply ............................................................................................... 34
4.1.1 Power failure with inserted batteries .................................. 35
4.1.2 Power failure without batteries ............................................ 35
4.1.3 Replacing batteries .................................................................... 36
4.1.4 Using the automobile power supply adapter ................... 37
4.2 VitaGuard® connections .......................................................................... 38
4.2.1 Patient cable for electrodes .................................................... 38
4.2.2 Power adapter ............................................................................. 39
4.2.3 Sound outlet (no socket) .......................................................... 39
4.2.4 USB port ........................................................................................ 40
4.2.5 AUX port ....................................................................................... 40
4.3 Membrane key panel ................................................................................ 41
4.3.1 Direction keys .............................................................................. 42
4.3.2 <Enter> key ................................................................................... 42
4.3.3 <Esc> key ....................................................................................... 42
4.4 Color LEDs (Light Emitting Diodes) ....................................................... 43
4.4.1 Alarm LED ..................................................................................... 43
4.4.2 Heart and respiration LEDs ..................................................... 43
4.4.3 Power supply and battery LEDs ............................................. 44
4.5 The display ................................................................................................... 44
5Steps before and after monitoring ......................................... 46
5.1 Summary of steps before monitoring .................................................. 46
5.2 Switching on ................................................................................................ 47
5.3 Switching off ............................................................................................... 48
5.4 Summary of steps after monitoring ..................................................... 48
6Preparing for heart rate and apnea monitoring ........... 49
6.1 Safety information when monitoring heart rate and apnea ........ 49
6.2 Connecting electrodes, the patient cable, and VitaGuard® .......... 52
6.3 Technical alarm from the electrode contact monitor ..................... 52
6.4 Determining the optimal electrode configuration .......................... 53
6.4.1 ECG lead, electrode color coding ........................................... 53
6.4.2 Optimizing the heart and respiration signals –
signal amplitudes in View 1 ................................................... 54

Table of contents
6.5 Checking the basal impedance .............................................................. 55
7Alarms, displays, and views during monitoring ............ 57
7.1 Alarm test ..................................................................................................... 57
7.2 Heart rate values based on age groups .............................................. 57
7.3 Alarm message priorities in the status line ........................................ 58
7.4 Physiological and technical alarms ....................................................... 58
7.5 Differentiating physiological and technical alarm signals ............ 59
7.6 Acoustic information signals .................................................................. 60
7.6.1 Information signals from the alarm unit next to the
display ............................................................................................ 60
7.6.2 Information signals from the sound aperture
between the sockets ................................................................. 60
7.7 The visual alarm signals ........................................................................... 60
7.8 Status line displays .................................................................................... 60
7.9 Heart rate and apnea monitoring ......................................................... 62
7.9.1 Heart rate alarms ....................................................................... 62
7.9.2 Apnea alarms ............................................................................... 62
7.9.3 Technical heart rate and apnea alarms ............................... 63
7.10 Alarm messages – meanings and other information ...................... 63
7.10.1 Order of equal-priority alarm conditions ............................ 63
7.10.2 Table of physiological alarm messages ............................... 63
7.10.3 Table of technical alarm messages ....................................... 65
7.11 Table of information messages .............................................................. 67
8Alarm and monitor settings ........................................................ 68
8.1 Safety instructions for the alarm settings .......................................... 68
8.2 Summary of views and menus ............................................................... 69
8.3 Additional views ......................................................................................... 69
8.3.1 View 2 – Large data presentation and waveforms .......... 70
8.3.2 View 3 – Smaller data presentation and waveforms ...... 70
8.4 Changing the settings ............................................................................... 70
8.5 System menu – general settings ............................................................ 72
8.5.1 \ Screen saver (Off/ On) ......................................................... 72
8.5.2 \LCDbrightness ....................................................................... 72
8.5.3 \LCDcontrast ........................................................................... 72
8.5.4 \ Signal beep tone ..................................................................... 73

Table of contents
8.5.5 \ Alarm tone pitch ................................................................... 73
8.5.6 \RS232format ........................................................................... 73
8.5.7 \ Settings protection On, Limited, Off ............................. 74
8.6 Heart rate display and menu ................................................................ 75
8.6.1 Heart rate display ..................................................................... 75
8.6.2 Heart rate menu – alarm settings (Settings
protection Limited) .................................................................. 75
8.7 Respiration display and menu .............................................................. 77
8.7.1 Respiration display ................................................................... 77
8.7.2 Respiration menu – alarm settings (Settings
protection Limited) .................................................................. 78
9Informationforthedoctorandqualifiedmedicalstaff ..... 79
9.1 Safety instructions ..................................................................................... 79
9.1.1 Preparing for a new patient .................................................... 79
9.1.2 Connections to the USB and AUX ports .............................. 81
9.1.3 VitaGuard® and other medical devices ............................... 81
9.2 Info display .................................................................................................. 82
9.2.1 \ Last status messages ............................................................ 82
9.2.2 \ General ...................................................................................... 83
9.2.3 \ Measurements: HR & Resp. .................................................. 84
9.2.4 \ Settings: Heart rate .............................................................. 85
9.2.5 \ Settings: Apnea monitor .................................................... 85
9.2.6 \ Memory/ Internet ................................................................. 86
9.2.7 \Versions .................................................................................... 86
9.3 Settings in the System menu (Settings protection Off) .............. 87
9.3.1 Changing multiple-component settings ............................ 87
9.3.2 \ Operating area: Home or Clinic ........................................ 88
9.3.3 \Admitnewpatient– restoring factory settings ........... 88
9.3.4 \Pre-and Post-alarm time .................................................... 90
9.3.5 \ Alarm mute time .................................................................... 90
9.3.6 \Date/time ................................................................................. 90
9.3.7 \ Language .................................................................................. 91
9.3.8 \Analoginput1 + 2 ................................................................ 91
9.3.9 \ Interval recording ............................................................... 91
9.4 Data storage functions ............................................................................. 91

Table of contents
9.5 Event storage .............................................................................................. 92
9.5.1 Silent alarm limits ................................................................... 94
9.5.2 Manual data storage or Transmit data .......................... 94
9.5.3 Summary of stored Events ...................................................... 95
9.6 Trend storage .............................................................................................. 96
9.7 Long term storage over eight hours .................................................... 96
9.8 Protocol storage of operating and device data ............................. 96
9.9 Summary of stored signals and data .................................................... 97
9.10 Settings in the Heart rate menu (Settings protection Off) ....... 98
9.11 Changing the ECG leadfor signal optimization ...................................101
9.12 Settings in the Respiration menu (Settings protection Off) .....103
10 Algorithms and measuring principles ..................................105
10.1 Alarm condition and report delays ........................................................105
10.1.1 Alarm condition delay for the heart rate ............................105
10.1.3 Alarm condition delay for respiration ..................................106
10.1.4 Alarm report delays ...................................................................106
10.2 Measuringprinciple fortheheartrate monitor ...................................107
10.3 Measuring principle for the apnea monitor .......................................108
11 Evaluating stored data on a PC .................................................110
12 Specifications ........................................................................................112
12.1 General ..........................................................................................................112
12.2 Heart rate monitor .....................................................................................114
12.3 Apnea monitor ............................................................................................114
12.4 Intervals for calculating average values in the Info mask .............115
12.5 Memory .........................................................................................................115
12.6 Ports ................................................................................................................115
12.7 Miscellaneous ..............................................................................................116
12.8 Selection of applied standards ...............................................................117
13 Table of figures .....................................................................................119

Table of contents