Revision C 170 Series Monitor 6-19
2000947-004
Functional Checkout Procedure: Uterine Activity Test
Uterine Activity Test
This portion of the functional checkout procedure tests the uterine activity section of
the 170 Series Monitor.
1. Set the switches on the Model 325 Simulator according to Table 6-5.
2. Connect the simulator’s UA sub-cable to the
UA receptacle on the monitor.
3. Access the service setup mode and note the UA reference default value. (The
monitor is shipped from the factory with this value set at 10 relative units;
however, your unit may have been custom configured.) Exit the service mode.
4. Press the monitor’s
Power button to turn on the monitor.
5. Press the monitor’s
Record pushbutton.
6. Briefly press the monitor’s
UA Reference pushbutton. Verify the following on
the monitor:
The UA value matches the default setting.
The recorder prints a continuous line at the default value on the uterine
activity channel of the strip chart paper.
The recorder prints the messages TOCO and UA REF on the strip chart
paper.
7. Press and hold the
UA Reference button on the monitor to cycle through the
available selections for UA reference: 5, 10, 15, 20, or 25 relative units. Test
each of these reference settings. Verify that the UA value is displayed
accordingly and that the recorder prints a continuous line at the corresponding
value on the uterine activity channel of the strip chart paper.
8. Place the simulator’s
UA Level switch at each of the level settings: 0, 10, 50,
and 100 relative units. Verify that the UA value is displayed accordingly and
that the recorder prints a continuous line at the corresponding value on the heart
rate channel of the strip chart paper.
9. Press the
UA Reference button to reference to 10 relative units. If the default is
set to a different value, press and hold the
UA Reference button to cycle to 10.
10. Place the simulator’s
UA Level switch to the RAMP position. Verify that the
UA value measures a ramp between 10 and 100 relative units and that the
recorder prints a ramp between the same values. Refer to Figure 6-5.
Table 6-5. Uterine Activity Test Simulator Settings
Section Switch Setting
General Pattern Memory OFF
UA
Main LEVEL
Level 0 mmHg
Mode TOCO
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