IEM Tel-O-Graph BT Technical Manual
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IEM Tel-O-Graph BT Technical Manual

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Summary of Contents for IEM Tel-O-Graph BT

  • Page 1 Technical Manual...
  • Page 2 The contents of this technical manual must not be duplicated or published without the written authorization of IEM GmbH. The copyright for the components used in these products remains with the manufacturer of this device. Any attempt will be prosecuted. © IEM GmbH 2022. All Rights reserved. Version 3.0 - 03/2022 - EN...

  • Page 3: Table Of Contents

    Introduction Table of contents Introduction ..............................5 About IEM GmbH ............................5 Target audience ............................5 Using the technical manual ........................5 Product description ............................. 6 Intended Use ..............................6 2.1.1 Tel-O-Graph® BT and Tel-O-Graph® BT plus ...................6 2.1.2 Tel-O-Graph ®...
  • Page 4 3.4.12 Firmware ............................19 Error handling ............................19 3.5.1 Error output in the logging area ......................19 3.5.2 Error output in the Windows notifications ..................19 Calibration control ............................ 20 Repairing ..............................21 Responsibilities ............................21 Disassembling the Tel-O-Graph ® blood pressure monitors ............

  • Page 5: Introduction

    The Quality Management System of IEM is certified to EN ISO 9001:2015, EN ISO 13485:2016 and meets 21 CFR 820 (US-QSR).

  • Page 6: Product Description

    (hereinafter referred to as “Services”) provided by third parties such as telecommunication companies. IEM GmbH cannot guarantee in any form the timely and local availability of such “Services”, nor, as a result, the availability of data received and transmitted using the product.

  • Page 7: Pulse Wave Analysis

    Product description The disadvantage of the oscillometric method is the sensitivity to movement. Measurement Cycle The oscillometric method can be divided into three measurement steps (see Fig. 1): 1. Cuff inflation The cuff is pumped up to a certain predefined pressure that is high enough to cut off the arterial blood flow in the arm.

  • Page 8: The Device

    The bottom side of the recorder includes the battery compartment protected by the battery cover and the label to identify the device’s serial number, IEM’s service address, and the CE mark (detailed explanation of the information on the label in chapter 2.4.2).

  • Page 9: Label

    ® BT plus) The replacement of some components requires the renewal of the label. The corresponding label must be requested at IEM. All relevant information must be available for this purpose. The replacement of the following components is affected: •...

  • Page 10: Button Functions

    Category Symbol Meaning ICCID SIM card-specific identifier Device-specific Serial number identifier Article number Name Measurements: blood pressure ® Communication: via Bluetooth Measurements: blood pressure and PWA BT plus ® Communication: via Bluetooth Measurements: blood pressure Communication: via GSM Measurements: blood pressure and PWA GSM plus Communication: via GSM 2.4.3...

  • Page 11: Power Supply

    Product description Tel-O-Graph ® BT / BT plus Opening the recorder’s menu Press and hold the operating button for at least 6 seconds. The individual menu (BT) options will be displayed. After 3 seconds, the display will show “bt”. Ignore this and hold down the button for another 3 seconds.
  • Page 12 Cinterion EHS6 Frequency bands GSM/GPRS/EDGE: Quad band 850/900/1800/1900MHz UMTS/HSPA+: Five band 800/850/900/1900/2100MHz Transmission output power Class 1, 3, 4 and E2 (2 W) for 800MHz and 2100MHz Internet Access The default for APN, User, Password, and DNS released by IEM...

  • Page 13: Service Software

    For this purpose, a one-time login provided by IEM is used when starting the software for the first time. After entering the data correctly, the mask for entering the account information is displayed. The newly set password must be repeated. The input of the username is limited to max.

  • Page 14: Topbar

    This is the only way to ensure that the functions suitable for the currently connected device are made available. About window Clicking on the IEM logo gives information about the software version and the manufacturer. 3.3.2 Bottom Bar The current connection status is displayed in the footer.

  • Page 15: Working Area

    Service Software 3.3.5 Working area As long as the user has not yet logged in, the area contains the mask for the login. The login is performed using the username and password pair generated during the first-time login. If the login was successful, the button for establishing a connection in the top bar changes color from red to green and the username used appears below the user pictogram on the left edge.

  • Page 16: Device Tests

    3.4.2 Device Tests Button name Assigned action Beep Sends a command to trigger the beeper. A single beep should be heard. Battery Voltage Sends a command to read out the voltage applied by the inserted batteries. The voltage read is displayed in millivolts. Memo Voltage Sends a command to read out the voltage applied by the inserted memory button cell.

  • Page 17: Serial /Board Number

    Service Software 3.4.5 Serial /Board Number Button name Assigned action Read Serial Number Sends a command to read the serial number set in the device. The read serial number is displayed. Read Board Number Sends a command to read the mainboard number assembled in the device. The number of the assembled mainboard is displayed.

  • Page 18: Pwa Keys

    3.4.9 PWA Keys The function to read out the PWA keys state is active for all devices with firmware version ≥ 1.1.0. Button name Assigned action Read State Sends a command to read the PWA key state. It is displayed whether the keys are stored and the activation state of each key (A, B, C).

  • Page 19: Firmware

    Update Flashing the device is a critical process! If the running process is interrupted, damage may occur that can only be repaired by IEM. Sends a command to flash the firmware version in the device. A confirmation window appears: Flashing the device and deleting all measurements has to be confirmed.

  • Page 20: Calibration Control

    Legal requirements however vary from country to country and it is strongly recommended that resellers check and obey guidelines in their domestic markets. A separate calibration training program is made available by IEM and documentation is provided separately to all participants.

  • Page 21: Repairing

    7. Modifications to components for repair purposes are not permitted. A requirement for repairs by other parties than IEM is signing a service agreement with IEM GmbH. Repairing without a signed service agreement is not permitted. Repairs may only be performed by competent personnel that can prove appropriate education in a corresponding technical scope of work.

  • Page 22: Tel-O-Graph Gsm And Tel-O-Graph Gsm Plus

    5.2.2 Tel-O-Graph ® GSM and Tel-O-Graph ® GSM plus 1. Remove the rubber feet from the screws on the lower housing. 2. Remove the four housing screws on the rear and pull the upper housing and lower housing apart. 3. Open the socket for the LC display cable and pull out the LC display cable plug. 4.

  • Page 23: Pump

    Repairing Move the LC display carefully to the side. Disconnect the silicone connector from all parts of the pneumatic system (pump, valve, pressure sensor, housing) Disconnect the wire-to-board connectors on the mainboard and remove the 3 screws (see Figure 9). Valve connector Display connector...

  • Page 24: Silicone Connector

    5.3.3 Silicone Connector Figure 11: Silicone Connector The silicone connector connects the pressure sensor on the mainboard, the cuff connector, the pump, and the valve to a pneumatic system. How to replace: Open the housing (remove rubber feet, unscrew screws). Move the LC display carefully to the side.

  • Page 25: Valve

    Repairing 5.3.5 Valve Figure 13: Valve ® The valve is responsible for the right deaeration of the Tel-O-Graph . It is connected to the pneumatic system with the silicone connector and the mainboard with a wire-to-board connector. How to replace: Follow the steps of the silicone connector replacement (see 5.3.3).

  • Page 26: Lc-Display

    The Bluetooth board is fixed on the mainboard with an electrical board-to-board connector. This component exists in different versions, please refer to chapter 7! If this component is replaced, the label must be renewed! This can be requested at IEM. How to replace: Open the housing (remove rubber feet, unscrew screws).

  • Page 27: Gsm Board

    This component exists in different versions, please refer to chapter 7! If this component is replaced, the label must be renewed! This can be requested at IEM. How to replace: Open the housing (remove rubber feet, unscrew screws).

  • Page 28: Stripline Antenna

    5.3.10 Stripline antenna Figure 18: Stripline antenna The Stripline antenna is connected to the GSM board with a wire-to-board connector and fixed in the lower housing with a double-faced adhesive tape. How to replace: Open the housing (remove rubber feet, unscrew screws). Move the LC-Display carefully to the side.

  • Page 29: Button

    The SIM card is inserted into a card slot in the GSM module. The device does not have to be unscrewed to change the SIM card. If this component is replaced, the label must be renewed! This can be requested at IEM. How to replace: Open the battery compartment and remove the batteries To remove the sim card, press it lightly into the housing.

  • Page 30: Checking The Accessories

    Battery control Rechargeable Batteries should be tested with a capacity tester. The section of the test instruction refers to the following battery type: NiMH batteries with IEM branding. IEM GmbH recommends the following test device for this purpose: • ELV MA-C9000 Charge Analyzer...

  • Page 31: Solutions To Known Problems

    Repairing Figure 22: Recommended Charge Analyzer 1. Insert batteries 2. Arrow key down on "Refresh" and confirm with "Enter” 3. Confirm value "1000 mAh" with "Enter” 4. Enter the value "1000 mAh" with the arrow key upwards and confirm with "Enter” 5.

  • Page 32: Description Of Errors

    6 Description of Errors The Tel-O-Graph’s internal firmware has 10 built-in error codes that are designed to provide quick information on the cause of any problem. The codes will appear in the LC display when the problem occurs. While an error code is displayed the -button can be pressed to receive an internal error code for more details.
  • Page 33 Description of Errors Display Internal error Technical Description Simplified Description ERR_19_wrongPulse In more than 3 pressure Arm movement during Err 3 steps the heart frequency measurement OR was out of the defined area. Arrhythmia ERR_21_wrongEnvelope The MAP is either smaller Arm movement during than Dia or greater than...
  • Page 34 Display Internal error Technical Description Simplified Description ERR_37_TLimitExceeded The measurement time is Arm movement incl. low too long. pulse rate /cuff applied incorrectly ERR_43_maxBeatsOnStep Too many beats in one step. Arm movement during measurement OR Arrhythmia ERR_45_pressTooHigh The pressure in the cuff is Arm movement during too high.
  • Page 35 Description of Errors Display Internal error Technical Description Simplified Description ERR_65_PRESS_TOO_HIGH The pressure is too high. Device defect blockage in hose/silicone- connector OR hose kinked ERR_66_WRONG_FUNC A not-known function number Device defect is called. ERR_67_TIME_OVERFLOW The analog voltage-activated Device defect too long.

  • Page 36: Transmission Failures (Code)

    Transmission Failures (Code) The errors listed below are added to 100 or 200 in the error table that can be read out via the software. This differentiates between the "Error" and "Code" categories. Display Internal error Technical Description ERR_13_CREG_ANSWER Incorrect response when retrieving the network Cod 1 status.
  • Page 37 Description of Errors ERR_02_SYSSTART_TIMEOUT Timeout at GSM module start. Cod 6 ERR_03_SYSSTART_ANSWER Wrong answer at GSM module start. ERR_04_SIMSTART_TIMEOUT Timeout when requesting the SIM pin. ERR_06_ICCID_TIMEOUT Timeout when requesting the ICCID of the SIM card. ERR_07_ICCID_ANSWER Wrong answer when querying the ICCID of the SIM card.
  • Page 38 ERR_64_WRITEPORT_TIMEOUT Timeout when opening the Internet port. ERR_66_WRITEDATA_TIMEOUT Timeout when sending data. ERR_68_WRITESUCCESS_TIMEOUT Timeout when closing the data connection. ERR_70_READPORT_TIMEOUT Timeout when reading data from TCP port. ERR_73_READPORT_SET Error while reading the time. ERR_60_NO_MEAS2SEND There are no measurements in memory to send. Cod 7 ERR_05_SIMSTART_ANSWER Wrong answer when requesting the SIM pin.
  • Page 39 Description of Errors ERR_87_READPORT_LICHK_TIMEOUT Timeout during license port read check ERR_88_READPORT_LICHK_ANSWER The wrong answer at check license port read ERR_90_LICENSE_CHK No license keys are stored in the device ERR_91_OPENPORT_LICEN_TIMEOUT Timeout when reading license port open ERR_92_OPENPORT_LICEN_ANSWER Wrong answer when reading license port open ERR_93_READPORT_LICEN_TIMEOUT Timeout on reading License Port Read ERR_94_READPORT_LICEN_ANSWER...

  • Page 40: Replaceable Components

    7 Replaceable components IEM has made available different spare parts lists which refer to various models. Please contact technical support at IEM for details.

This manual is also suitable for:

Tel-o-graph bt plusTel-o-graph gsmTel-ograph gsm plus

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