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Schiller CARDIOVIT AT-1 Service Manual
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SCHILLER AT-1 / AT-1smartprint ECG Unit
SERVICE HANDBOOK Issue b June 2001
Art.No. 2.540022
AT-
1
/
AT-
1
smartprint
ECG unit
Service Handbook
SCHILLER AG
Altgasse 68
CH-6341 Baar
, Switzerland
Phone: + 41 41 766 42 42
Fax: + 41 41 761 08 80
Home page: http://www
.schiller
.ch/
June
2001
Article Number: 2.540022
2
Table of Contents
Associated Documents
2
Where to Obtain Service
3
Warranty
4
Safety Notices
5
What Is in this Book
7
Table of Contents
9
Operating Elements
11
Introduction
12
Potential Equalisation
13
Switching on and off
13
Power Supply
13
Location & Power
13
The Keyboard
14
AT-1/AT-1Smartprint Short Form Operating Instructions
15
Automatic ECG Recording
15
Electrode Hook-Up Check
15
Filter On/Off
15
Manual ECG Recording (Internal Printer Only)
15
System Configuration
15
With External Printer Connected and Switched on
15
With External Printer NOT Connected or Switched off
15
Modes of Operation
16
Automatic Mode
16
Manual Mode
16
Without External Printer Connected or Printer Switched off
17
Automatic Mode
17
With External Printer
18
Lead Group
19
Chart Speed
19
Sensitivity
19
Settings
20
Default Settings
22
Language
23
Baseline Filter
24
Mains Filter
24
Myogram Filter
25
Defining Lead Sequence & Printout
26
Simultaneous
26
Sequential
26
Auto-Centering on
26
Acoustic QRS Indication
27
Time / Date (AT-1 Smartprint Only)
27
Automatic Mode (ECG) Settings, Internal Printer
28
Average Cycles
28
Measurements and Markings (M and C Versions Only)
29
Interpretation (C Version Only)
29
Automatic Mode (ECG) Settings, External Printer
30
Average Cycles
30
Measurements and Markings (M and C Versions Only)
31
Interpretation (C Version Only)
31
Interpretation Settings (C Version Only)
32
Selecting Rhythm Leads
33
Extremity Leads
33
Precordial Leads
33
Rhythm Leads (Interpretation Option Only)
33
Service Printout
34
ECG Reference Voltage
34
Electrode DC Offset
34
Installing Software Options
35
Care & Maintenance
36
12 Monthly Check
36
Cleaning the Casing
36
Patient Cable
36
Replacing the Recording Paper in the Internal Printer
37
Thermal Paper Handling
38
Functional Overview
39
Main Board MK 11-10
42
CPU and Processing Circuits
42
Thermal Printhead Controller
42
Paper Mark
43
Power on Reset
43
Stepper Motor Controller
43
Noise Damping
43
Fault Diagnosis
45
Fault Diagnosis Chart
46
General Functional Check Procedure
48
Internal Printer Check
49
Alt - man Start
49
Printhead Alignment and Printhead Tension
49
Printer Check
50
External Printer Problems
50
Module Removal and Replacement
51
Warnings and Cautions
54
Physical Overview
55
Test Equipment, Tools, and Accessories
55
Opening the Case
56
Prerequisites
56
Test Equipment
56
Top Housing Removal
56
Top Housing Replacement
57
ECG Interface Board MK 11-2
59
Board Removal
59
Board Replacement
59
Checks and Tests after Replacement
59
Printer Tray Assembly and Thermal Printer
60
Printer / Paper Tray Assembly Removal
60
Printer/Paper Tray Assembly Replacement
60
Thermal Printer Removal
61
Checks, Tests and Adjustments after Printer Replacement
61
Printer Motor Removal and Replacement
61
Thermal Printer Replacement
61
Control and Power Supply Board MK 11-10
62
Battery Pack
64
Battery Pack Removal
64
Battery Pack Replacement
64
Settings after Battery Replacement (AT-1 Smartprint Only)
65
Keyboard
66
Adjustments
67
Warnings, Cautions and Conditions
69
Proprietary Test Equipment/Tools
70
Battery Charge Voltage
71
ECG Amplifier Reference Voltage
72
Spare Parts
75
Ordering Information
76
Technical Data
79
Index
83
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Schiller CARDIOVIT AT-1 Specifications
General
Brand
Schiller
Model
CARDIOVIT AT-1
Category
Medical Equipment
Language
English
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