80-0056-00-SM-RevD 2017-12-13 SunTech Tango M2 Service Manual | 7
5.2.4.7 ECG Delay – This delays the window of K-sound detection and should normally be set to
0ms. This setting is used to compensate for any time delay the host stress test system
might induce in the ECG trigger. Delays range from Default (no delay) to 600ms in
increments of 5ms.
WARNING: Any change in this value can cause incorrect detection of K-sounds.
5.2.5 Transparent Mode – SunTech use only.
5.2.6 Special – SunTech use only.
6.0 Tango M2 Routine Preventative Maintenance Procedures
The Tango M2 monitor is designed to perform within the description contained in the user manual and
inserts. The monitor should be operated, maintained and repaired in accordance with the instructions
provided within this documentation. After use, it is important to perform preventative maintenance to ensure
the efficient operation of the monitor. It is the responsibility of the SunTech Medical trained and certified
technician to review the following:
1. Check calibration of the device every two years.
2. Never knowingly use a defective device.
3. Contact the nearest authorized SunTech Medical Service Center should repair or replacement become
necessary.
4. Further, the user of the device bears sole responsibility for any malfunction resulting from improper use,
faulty maintenance, improper repair, damage or alteration by anyone other than SunTech Medical or
authorized service personnel.
SunTech offers the following checks, tests, and calibrations to properly maintain your Tango M2 monitor.
6.1 Verification Of Pressure Calibration
Equipment Required:
• Calibrated reference sphygmomanometer.
• 500ml volume.
• Hand Inflation Bulb with bleed valve.
• Tubing, T-connector, and miscellaneous connectors.
6.1.1 T-connector the sphygmomanometer, the 500ml volume and the inflation bulb together and
connect to the patient cable hose connection.
6.1.2 Access the Diagnostics Menu (see section 5.2).
WARNING: Any changes made within the diagnostic menu can alter BP accuracy. It is strongly
recommended that no changes are made to the Tango M2 Diagnostic Menu.
6.1.3 Within the Diagnostics Menu, select Verify Calibration. The Tango M2 will now have its valves
closed and will display the pressure applied to the patient hose connector.
6.1.4 Verify the Tango M2 calibration by inflating manually and checking the sphygmomanometer
against the pressure reading on the Tango M2 display. Verify the readings as shown in Table 1
below.
Calibrated Reference Pressure
(mm Hg)
Tango M2 Displayed
Pressure
(mm Hg)
0 0 - 1
50 48 - 52
100 98 - 102
150 148 - 152
200 198 - 202
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