RECORDER OPERATION
Model 3150-B Operation Manual 31
Direct To print in direct, press the [PRINT] key. Press [PRINT] again to stop printing.
The plot is preceded by a header which contains all parameter readings and the time/date.
The speed of the plot and vertical resolution are the same as the display. The plot is labeled with the speed
of the plot in mm/s, the recorder mode, and the parameters.
Timed TIMED mode starts by pressing [PRINT] and prints for 30 seconds.
Delay Delay mode plots 30 or 40 seconds of ECG waveform after the occurrence of an alarm condition or if print
button is pushed depending on the speed selected:
15 seconds before and 15 seconds after at 50mm/s
20 seconds before and 20 seconds after at 25mm/s
HR-VAR This mode enables an additional delay mode, where the printout is triggered by a beat to beat heart rate
change of a given percentage (10-50% in increments of 5) as specified in the menu. Lead wires must be on the
patient for at least 30 seconds to enable this mode. The Recorder plots a waveform similar to the one of the delay
mode after the occurrence of the heart rate change.
X-RAY This mode prints a trace showing 10 seconds before and 10 seconds after the XRAY signal is activated.
The XRAY signal and the ECG trace are printed together.
Recorder Speed
Use the following procedure to change the recorder speed.
1. Press the [SPEED] key in the main menu to select the trace speed. Selections are 25, and 50 mm/s.
NOTE: The [SPEED] key also changes the speed of the ECG trace.
Example Printout
Direct Mode
X-Ray Mode
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