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5 Technical Description
Introduction............................................................................................................................5-1
ELI 250/210 Block Diagram...................................................................................................5-2
Main System Board ...............................................................................................................5-3
Front End Board ....................................................................................................................5-3
Input Connector Pin out.........................................................................................................5-4
ELI 250/210 Specifications....................................................................................................5-5
Parts List................................................................................................................................5-6
6 Troubleshooting and Testing
Introduction............................................................................................................................6-1
Troubleshooting.....................................................................................................................6-1
AC Power, Backlight on, Nothing on Display ..............................................................6-1
With AC On, Nothing on Display .................................................................................6-1
Unit Works on AC but not on Battery...........................................................................6-1
Unit turns on, No waveform on screen but Function Keys Displayed .........................6-2
No Keyboard Functions and Display Frozen...............................................................6-2
RS232 Transmit / Receive Problems ..........................................................................6-2
Optional Modem Transmit / Receive Problems...........................................................6-3
Testing ...................................................................................................................................6-4
Power Supply Test.......................................................................................................6-4
Keyboard test...............................................................................................................6-4
LCD Test......................................................................................................................6-4
Speaker Test ...............................................................................................................6-4
Date / Time Test ..........................................................................................................6-5
Writer Test ...................................................................................................................6-5
Writer Test Description ........................................................................................6-6
Adjusting the Writer Cue Sensor .................................................................................6-6
ECG Test .....................................................................................................................6-7
Noise Test....................................................................................................................6-7
Lead Fail Test ..............................................................................................................6-8
Transmitting Records...................................................................................................6-8
Testing Continued
Serial Port Test ..................................................................................................6-10
Modem Test .......................................................................................................6-10
Modem Initialization ................................................................................6-10
Receive ECGs ...................................................................................................6-12
WLAN Test.........................................................................................................6-13
Safety Test .........................................................................................................6-14
Appendix A ELI 250 Connectivity
Chapter Purpose ...................................................................................................................A-1
Transmitting records..............................................................................................................A-1
Direct Connection ..................................................................................................................A-3
Modem Connection ...............................................................................................................A-3
WLAN Transmission..............................................................................................................A-5
LAN Transmission .................................................................................................................A-6
Patient Request List ..............................................................................................................A-11
Custom ID Download.............................................................................................................A-13
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