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Schiller AT-10 plus Service Manual

Schiller AT-10 plus
76 pages
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AT-10 plus
Service Handbook
Art.-no.: 2.540043 Rev.: a *2.540043*
12-Channel ECG Device

Table of Contents

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Schiller AT-10 plus Specifications

General IconGeneral
DisplayLCD
ECG Channels12
Lead System12 leads
ConnectivityUSB, Bluetooth
PrintingThermal printer
Data AcquisitionReal-time
FiltersDigital filters
Power SupplyRechargeable lithium battery
Battery TypeLithium-ion
Operating Temperature0 to 50 °C
Storage Temperature-20°C to 60°C
Relative Humidity10% to 95% (non-condensing)
Altitude Rangeup to 3000 m
ECG MonitoringYes
Voice PromptsYes

Summary

Safety Notes

User Responsibility in Safety

Specifies personnel competencies and adherence to safety instructions.

Intended Use of Device

Defines the AT-10 plus as a 12-channel ECG device for diagnostic use.

Organizational Safety Measures

Ensures proper introduction, accessibility of instructions, and compliance with regulations.

Safe Operation Practices

Guidelines for safe operation, avoiding liquids, shocks, and improper cleaning.

Device Safety Features

Highlights dangers of operating with faulty fuses or cables and electrical safety devices.

Interfacing with Other Equipment

Advises using only approved accessories and adhering to IEC standards for connected equipment.

Safety Symbols and Pictograms

Explains safety levels and symbols like DANGER, WARNING, CAUTION used in the manual.

Product Warranty Terms

Outlines the one-year warranty, exclusions, and conditions for maintaining warranty validity.

Introduction to AT-10 Plus

AT-10 Plus Key Features

Details standard features like Pacemaker Detection and optional features.

Device External Connections Overview

Lists VGA, DC input/output, RS-232, and SCM module ports.

LCD Screen Display Layout

Explains the different display areas and their information content.

Keypad Functionality and Layout

Describes the function of alphanumeric and dedicated function keys.

Back Panel Port Identification

Details connectors located on the back panel including RS-232, VGA, and power.

Side Panel Port Identification

Details connectors located on the side panel, including ECG input and RS-232.

AT-10 Plus Operation Overview

Initial Setup and Device Preparation

Covers location, connecting equipment, potential equalization, and power-up.

Powering the Unit On and Off

Instructions for using the On/Off key to switch the device on and off.

Power Source Management

Explains operation from mains or battery, and the corresponding LED indicators.

Navigating the User Interface

Describes how to navigate and select options using arrow and confirm keys.

Device Service Screen Functions

ECG Service Mode Testing

Details electrode resistance check and expected voltage readings for integrity.

NIBP Service Diagnostics

Indicates that NIBP tests are not available at the time of print.

Spiro Service Diagnostics

Indicates that Spiro tests are not available at the time of print.

Hardware Configuration Options

Allows display rotation settings and saving them as default.

RS-232 Port Connectivity Test

Explains how to test RS-232 ports using a test plug and observing indicator changes.

Analogue Port Connectivity Test

Details testing DC In/Out and ERGO ports using test cable and switch.

Character Set Display Options

Allows displaying the complete character set of the unit.

Display Colour and Inversion Settings

Enables selection of background colour and inversion of the ECG display.

Battery Capacity Test Procedure

Procedure for checking battery capacity by monitoring printouts after charging.

Printer Quality and Alignment Verification

Steps to check print quality, alignment, and troubleshooting tips.

Functional Checks and Maintenance

Recommended Service and Maintenance Intervals

Provides a table outlining required service intervals and responsible personnel.

General Unit Integrity Verification

A confidence check for main functional areas when a fault is suspected.

External Visual Inspection Checklist

Checks mechanical condition, cable integrity, and safety labels periodically.

Mains and Battery Indicator (LED) Test

Verifies the operation of mains and battery indicator lamps and LCD symbols.

Battery Charging Procedure

Details the procedure for charging the battery for at least 8 hours.

Battery Capacity Check Reference

Refers to the service screen for the battery capacity check procedure.

Keyboard Functionality and Key Test

Checks for mechanical damage and verifies all keys function correctly.

LCD Screen Test Procedure

Tests for screen spots, black fields, and checks contrast and brilliance.

Printer Performance and Calibration Tests

Covers paper feed, print quality, printing speed, and parallelism tests.

ECG Amplifier and Patient Cable Integrity Test

Tests ECG amplifier and patient cable integrity using a simulator.

ECG Printout Reference Standards

Compares measured values and waveform shape to a reference table and waveform.

System Language, Date, and Time Configuration

Procedure for setting the unit's language, date, and time.

External Monitor Connection and Configuration

Instructions for connecting and configuring an external VGA monitor.

Electrical Safety Tests

Details safety tests according to EN 60601, including leakage current measurements.

Major Component Replacement Guide

Safety Precautions for Component Service

Emphasizes using isolation transformers and antistatic precautions.

Battery Replacement Procedure

Step-by-step guide for removing and replacing the unit's battery.

Fuse and Mains Voltage Adjustment

Instructions for changing fuses and adjusting mains voltage settings.

Opening the Device Casing Safely

Detailed steps and precautions for safely opening the unit's housing.

Post-Service Reassembly and Testing

Covers internal visual inspection and functional/safety tests after reassembly.

Device Cleaning Procedures

Cleaning the Unit Casing

Guidance on cleaning the unit's exterior with a damp cloth and mild cleaner.

Patient Cable Cleaning and Disinfection

Procedure for cleaning and disinfecting the patient cable.

Thermal Print Head Maintenance

Instructions for cleaning the thermal print head with alcohol to maintain print quality.

System and Unit Configuration Settings

ECG Configuration Parameters

Details settings for Pacemaker Detection, Interpretation, Rhythm recording, and filters.

Exercise Test Configuration Settings

Covers HR target, stage reports, rhythm settings, and QRS parameters for exercise tests.

General System and Unit Settings

Includes MTA/User ID, language, date/time, colour, patient data input, and units.

Technical Specifications and Data

System Hardware and Environmental Specifications

Provides dimensions, weight, power supply, battery, printer, and interface details.

ECG Performance Specifications

Details ECG input, lead display, filters, automatic programs, and amplifier specifications.

Safety and Compliance Standards

Lists relevant safety and EMC standards (IEC/EN 60601) and protection class.

Construction and Component Diagrams

Exploded Views of Unit Assembly

Illustrates exploded views of the base casing and top/LCD casing.

Circuit and Functional Block Diagrams

Presents high-level circuit diagrams like connection block and functional block diagrams.

Required Test Equipment and Tools

RS-232 Test Plug Fabrication

Describes the fabrication of an RS-232 test plug for interface testing.

DC In/Out Cable Assembly Diagram

Illustrates the DC In/Out cable assembly for testing.

ERGO Connector and Switch Configuration

Shows the ERGO connector and switch configuration for testing.

Maintenance and Safety Checklist

AT-10plus Service Checklist Table

A procedural checklist for authorized personnel to verify unit functionality and safety.

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