Philips TC50 Disassembly Tháo lắp Philips TC50 - Nguyễn Công Trình

Nguồn (source): Ian Davies
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To set the date and time:
1 Touch the Setup button on the main toolbar.

2 The Configuration Setup and Service Utilities menu appears. Touch the button next to
Configure ECG Network Settings.

3 The Configure Network Settings screens appear. Touch the ECG Mgmt Systems button
(top of screen).
4 The TraceMaster settings screens appear. The Create TraceMaster Connection tab is
selected. Touch the Edit/Delete TraceMaster Connection tab (top of screen).
5 Under Time Synchronization Settings (middle of screen), touch the Set button next to
Manual Time Set.
6 The Date and Time Settings window appears with the current specified date and time
displayed. To change the current date, touch the back or forward arrows next to the name
of the displayed month (to change the month), or touch a date on the calendar to change
the date within the displayed month.
7 To change the displayed time, touch the hour and minutes displayed under Current Time,
or touch the up or down arrow buttons next to the displayed time to manually change the
time. Touch the time designator to change it to AM or to PM.
8 Touch the dropdown arrow button under Time Zone to change the selected time zone.
NOTES The time displayed on the cardiograph automatically adjusts for Daylight Savings Time, if
applicable.
Touch the Time Sync button to manually synchronize the cardiograph date and time with a
specified TraceMaster server.
9 Touch the OK button when done. Touch the Exit button (lower right corner of screen) to
exit the Setup screen. The new time and date is immediately applied.
Cardiograph Overall Sensitivity Test
The overall sensitivity test is used to test the calibration voltage. According to
IEC 60601-2-51, this test should be run regularly. Taking an ECG using a 12-lead simulator
allows you to verify areas of operation that the extended self tests cannot check, and allows
you to verify the accuracy of the sensitivity settings. This test should be run approximately
once a year.
Before You Begin

To perform this test, you need an ECG simulator that is calibrated and is able to produce a 1mV
2 Hz square wave on Lead I or II. (The lead you use is dependent on the simulator.)

Performing the Sensitivity Test
To perform the test:
1 Set the simulator to the 2Hz square wave setting and the amplitude to 1mV.
2 Ensure that the Simulated Waveform feature (cardiograph displays simulated patient ECG
waveforms) is not enabled on the cardiograph.
3 Touch the Exam button on the Status Bar, and then touch the Resting 12-Lead button.
4 Touch the factory default Standard 12-lead Exam Profile button.
5 Touch the Settings button on the Status Bar.
a Set the Artifact filter to OFF.
b Set the Limb Leads setting to 10 mm/mV.
c Set the Speed setting to 25 mm/sec.
d Touch OK.
6 Touch the ECG button on the toolbar. If a message appears that no patient information has
been entered, touch the Continue button. Depending on how the cardiograph is
configured, the ECG may automatically print. If not, touch the Print button.
7 Verify Lead I or II for the following items on the printed report:
– The height of the ECG pulses for the sensitivity setting
– Measure the peak of the ECG pulse and calculate the voltage for the sensitivity setting
– Verify that the measured voltage value is 1mV.