When Trace Separation is On
When trace separation is turned on, the recorder prints a dotted line labeled with the three FHRs at the
top, and ±20 at the bottom. Examples of the two methods (
separation order are provided here.
When Trace Separation is Off
To indicate that trace separation is switched off, a dotted line labeled +0 prints across the FHR scale.
13 Monitoring Triple FHRs
) for determining the trace
trace separation switched