Fecg Test - GE Corometrics 170 Series Service Manual

FECG Test

Revision C
Functional Checkout Procedure: 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
the monitor
2. Set the switches on the Model 325 Input Simulator according to
3. If not already on, press the monitor's
4. Turn the simulator's Manual Adjustment
the following on the monitor:
The FHR1 value is 30 BPM.
The FHR1 heartbeat indicator
The ECG "beep" volume of the rear panel speaker can be increased or
decreased using the Volume
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
approximately 120 BPM. Verify the following on the monitor:
The FHR1 value is 120 BPM.
FHR1 heartbeat indicator
The ECG "beep" volume of the rear panel speaker can be increased or
decreased using the
The recorder prints a continuous line at 120 BPM on the strip chart paper.
170 Series Monitor
2000947-004
Record button.
knob fully counterclockwise and verify
( )
flashes at a rate of 30 times per minute.
buttons. (Set the volume to the desired level.)
knob to input an FECG signal of
( )
flashes at a rate of 120 times per minute.
buttons. (Set the volume to the desired level.)
Volume
receptacle on
FECG
Table 6-2.
6-7