80-0056-00-SM-RevD 2017-12-13 SunTech Tango M2 Service Manual | 9
6.3.3 Select Verify Calibration in the Diagnostics Menu. The Tango M2 will now have its valves closed
and will display the pressure applied to the patient hose connector.
6.3.4 Inflate the pressure to 250mm Hg. Allow the system to stabilize for 1 minute, re-adjusting to
250mm if required. Note the exact pressure, and simultaneously start the stop-watch. After 60
seconds have elapsed, the pressure should not have dropped by more than 6mmHg.
6.3.5 Press ENTER to open the valves and release pressure from the system.
6.4 Safety Timeout Check
Equipment Required:
• Stop Watch.
• 500ml volume.
• Hand Inflation Bulb with bleed valve.
• Tubing, T-connector, and miscellaneous connectors.
6.4.1 T-connector the 500ml volume and the inflation bulb together and connect to the patient cable
hose connection.
6.4.2 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.
6.4.3 Select Calibrate from the Diagnostics Menu and then select Verify Calibration.
Note: It is important to use the Verify Calibration from the Calibrate menu as this has all safety
mechanisms enabled.
6.4.4 Using the inflation bulb, set the pressure in the system to approximately 200mmHg per the
monitor’s displayed value. Start the stopwatch as soon as pressure exceeds 15mmHg. The
monitor will release the pressure from the system after 160 to 180 seconds. Stop the stopwatch
as soon as pressure falls below 15mmHg. This time must be 180 seconds or less.
6.5 Overpressure Check
Equipment Required:
• Stop Watch.
• 500ml volume.
• Hand Inflation Bulb with bleed valve.
• Tubing, T-connector, and miscellaneous connectors.
6.5.1 Using a T-connector the 500ml volume and the inflation bulb together and connect to the patient
cable hose connection.
6.5.2 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.
6.5.3 Select Calibrate from the Diagnostics Menu and then select Verify Calibration.
Note: It is important to use the Verify Calibration from the Calibrate menu as this has all safety
mechanisms enabled.
6.5.4 Using the inflation bulb, set pressure to approximately 280mmHg pressure per the monitor’s
displayed value. Slowly continue to inflate the system until the UUT opens the valves and releases
the pressure. This must occur between 290mmHg and 320mmHg.
7.0 Tango M2 Non-Routine Maintenance Procedures
The monitor should only be serviced by a SunTech Medical trained and certified technician. The monitor
does not contain any user serviceable parts and should only be opened by an authorized service
representative. Contact SunTech Medical if service is required during the 2 year warranty period.
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