Revision C 170 Series Monitor 6-7
2000947-004
Functional Checkout Procedure: FECG Test
FECG Test
This portion of the functional checkout procedure ensures the integrity of the FECG
circuitry and the heart rate channel of the recorder.
1. Connect the Model 325 Simulator’s ECG sub-cable to the
FECG receptacle on
the monitor
2. Set the switches on the Model 325 Input Simulator according to Table 6-2.
3. If not already on, press the monitor’s
Record button.
4. Turn the simulator’s
Manual Adjustment knob fully counterclockwise and verify
the following on the monitor:
The FHR1 value is 30 BPM.
The FHR1 heartbeat indicator () flashes at a rate of 30 times per minute.
The ECG “beep” volume of the rear panel speaker can be increased or
decreased using the
Volume buttons. (Set the volume to the desired level.)
The recorder prints a continuous line at 30 BPM on the top grid of the strip chart
paper.
The recorder prints the message FECG on the center margin of the strip
chart paper after approximately 20 seconds.
5. Turn the simulator’s
Manual Adjustment knob to input an FECG signal of
approximately 120 BPM. Verify the following on the monitor:
The FHR1 value is 120 BPM.
FHR1 heartbeat indicator () flashes at a rate of 120 times per minute.
The ECG “beep” volume of the rear panel speaker can be increased or
decreased using the
Volume buttons. (Set the volume to the desired level.)
The recorder prints a continuous line at 120 BPM on the strip chart paper.
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