EDAN SE-1200 Series Service Manual page 36

SE-1200 Series Electrocardiograph Service Manual
5. System Setup Tests
 When the System Setup screen is displayed, press Tab or Shift + Tab, or the Up, Down,
Left or Right arrow to move the cursor to Maintenance, and then press Enter to open the
System Maintenance window. Press Tab or Shift + Tab to move the cursor to the Load
Factory Settings button on the System Maintenance window, and then press Enter to
load the factory settings from the ECG. Press Enter to confirm or press Esc to return to
the System Setup screen. Press Tab or Shift + Tab, or the Up, Down, Left or Right
arrow to move the cursor to Date&Time, and then press Enter to open the Date&Time
Setup window. Set the current time, and then press Enter to confirm.
 Turn off the electrocardiograph, and turn it on five seconds later. When the
electrocardiograph is ready for examination, observe whether the time displayed on the
LCD screen is the current time, and open the sub-windows of the System Setup screen to
see whether these items keep the default options. Then change some items and exit. Turn
off the electrocardiograph. Five seconds later, turn on the electrocardiograph again. When
the electrocardiograph is ready for examination, observe whether the items keep the
changed options.
6. Heart Rate Display Tests
Set the heart rate output from the ECG simulator to different values, and the error of heart rate
values displayed on the LCD screen of the electrocardiograph should be within ± 1bpm.
7. Recording Tests
Set the following values:
 The heart rate output from the ECG simulator is 80bpm, the working mode of the
electrocardiograph is auto, the speed is 25mm/s, the gain is 10mm/mV, the AC filter is off,
the lowpass filter is 150Hz and all the items in the Auto Record Info frame on the Setup
2 sub-window of the Record Info Setup window are selected. Install the recorder paper
and press the PRINT/STOP key to begin to print an ECG report. Examine whether the
printed contents are integrated and consistent with the information displayed on the LCD
screen.
 Make the ECG detector output sine waves with the amplitude of 2mV and the frequency
of 10Hz. Press the PRINT/STOP key to begin to print ECG reports. Examine whether
the printed contents are integrated and consistent with the information displayed on the
LCD screen.
 The ECG report includes the date and time, ID, name, gender, age, gain, paper speed,
filter, lead, 1mV calibration mark, ECG waveform, heart rate etc. The 1mV calibration
mark and lead names are printed before ECG waves in the ECG reports. The printed
characters and waveforms are clear.
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Inspection and Troubleshooting