6-8 170 Series Monitor Revision C
2000947-004
Functional Checkout Procedure: FECG Test
6. Repeat step 5 for each of the following rates: 60, 210, and 240 BPM.
7. Change the simulator’s
QRS Polarity switch from + to –. Verify that the monitor
does not skip any beats.
8. Set the simulator’s
ECG Rate switch to the RAMP setting. Verify that the
monitor’s FHR1 value counts between approximately 30 and 240 BPM and that
the FHR1 trend is a ramp between the same values on the strip chart paper.
(See Figure 6-1.)
9. Access the Service Setup Mode and disable ECG Artifact Elimination.
10. Set the simulator’s
ECG Rate switch to the ∆15 position. Verify the following on
the monitor:
The FHR1 value oscillates by 15 BPM.
The FHR1 heartbeat indicator () flashes for each input signal.
The ECG “beep” is heard from the rear panel speaker.
The FHR trend oscillates 15 BPM between 115 and 130 BPM on the top
grid of the strip chart paper. (See Figure 6-2.)
11. Repeat step 10 for rate values of ∆22 and ∆27. The results should be the same
except that the FHR1 value oscillates by either 22 or 27 BPM and the FHR
trend is an oscillation of 22 or 27 BPM. The top value is always at
approximately 130 BPM. (Refer to Figure 6-2.)
12. Access the Service Setup Mode and enable ECG Artifact Elimination.
Table 6-2. Model 325 Simulator Settings for FECG Test
Section Switch Setting
FECG/MECG
Main RATE
Rate MANUAL
Mode FECG
QRS Amplitude 15 µV
QRS Polarity +
GENERAL Pattern Memory OFF
UA
Main CMR
Mode TOCO
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