8-14 
 
8.6.6 Deleting a Reference Segment 
To delete the current ST reference segment, select [Delete Ref.] in the [ST Analysis] menu 
and then select [Ok] in the popup.   
 
 
8.6.7 Recording the ST Segment 
To record the current ST segment and reference segment, select [Record] in the [ST Analysis] 
menu. 
 
 
8.6.8 Changing the ST Alarm Limits 
High and low ST alarm limits can be set individually for each ECG lead. Alarm limits can 
also be set separately for single-lead and multi-lead ST monitoring. You can select [ST 
Alarm Setup >>] from [ST Analysis] menu and then change ST alarm settings for each lead. 
 
 
8.6.9 Setting the ST Alarm Delay Time 
To set the ST alarm delay time,   
1. Select [Main Menu][Maintenance >>][User Maintenance >>]. Enter the 
required password and then select [OK]. 
2. Select [Alarm Setup >>][ST Alarm Delay]. 
 
8.6.10 Adjusting ST Measurement Points 
As shown in the figure below, the ST measured for each beat complex is the vertical 
difference between two measurement points with the R-wave peak as the baseline for the 
measurement. 
 
 
R-wave peak 
P 
T
Isoelectric point  ST measurement point 
Difference=ST value 
J point 
Q    S