Welch Allyn Medical Diagnostic Equipment Thermometer 690 User Manuals

Table of Contents

• AGENCY APPROVALS

  2
• Table of Contents

  3
• Electromagnetic Immunity and Emissions Declaration

  5
  • Immunity Standard

    5
  • Emissions Summary

    5
• 1. General Information

  6
  • 1.1 About this Manual

    6
    • 1.1.1 Related Document

      6
  • 1.2 Technical Support and Service Centers

    6
  • 1.3 Return Procedure

    6
  • 1.4 Safety and Warnings

    6
  • 1.5 Classifications

    8
• 2. Operating Characteristics

  9
  • 2.1 Basic System Description

    9
    • 2.1.1 Instrument

      9
    • 2.1.2 Probe

      9
    • 2.1.3 Probe well

      10
    • 2.1.4 Probe covers

      10
    • 2.1.5 Batteries

      10
    • 2.1.6 Wall Mount

      10
  • 2.2 Model Features

    11
  • 2.3 Operating Features

    11
    • 2.3.1 Instrument Reset

      11
    • 2.3.2 Power-On Self Test (POST)

      11
    • 2.3.3 Low Power Mode

      12
    • 2.3.4 Predict Mode

      12
    • 2.3.5 Monitor Mode

      13
    • 2.3.6 Pulse Timer Mode (Model 692 only)

      14
    • 2.3.7 Backlight (Model 692 only)

      14
    • 2.3.8 Horn

      14
    • 2.3.9 F/C Conversion

      15
    • 2.3.10 Temperature Recall

      15
    • 2.3.11 Biotech Mode

      15
  • 2.4 Instrument Security

    17
    • 2.4.1 Temperature Count Security Feature

      17
    • 2.4.2 Instant-On Security Feature

      17
• 3. Preventive Maintenance

  18
  • 3.1 Six-Month Maintenance

    18
  • 3.2 Twelve-Month Maintenance

    18
  • 3.3 Standard Storage

    18
  • 3.4 Cleaning

    18
    • 3.4.1 Cleaning the Thermometer and Probe

      18
    • 3.4.2 Cleaning The Removable Probe Well

      19
  • 3.5 Replacing the Batteries

    19
  • 3.6 Calibration Testing

    20
    • 3.6.1 Cal-Key Verification

      20
    • 3.6.2 Model 9600 Calibration Tester Verification

      20
    • 3.6.3 Model 9600 Plus Calibration Tester Verification

      21
• 4. Troubleshooting

  22
  • 4.1 Types of Errors

    22
    • 4.1.1 Battery Indications

      22
    • 4.1.2 Ambient Temperature Out of Range

      22
    • 4.1.3 Patient Temperature Out of Range

      23
    • 4.1.4 Probe Errors

      23
    • 4.1.5 Instrument Errors

      23
    • 4.1.6 Error Codes: Troubleshooting

      24
  • 4.2 Field Serviceable Repairs

    26
  • 4.3 Field Serviceable Parts

    26
• 5. Theory of Operation

  27
  • 5.1 Technical Overview

    27
    • 5.1.1 Temperature Probes

      28
    • 5.1.2 Probe Switch

      28
    • 5.1.3 Power Supply

      28
    • 5.1.4 Low Battery Detection

      28
    • 5.1.5 Temperature Measurement and Display

      28
• Appendix A Specifications

  29
• Appendix B Limited Warranty

  30