Datascope System 98 Service Manual page 19

1.2.7 DISPLAY SCREEN
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DISPLAY SCREEN
36. ALARM MESSAGES
This section of che screen is used to display alarm messages. One alarm
message can be posted at a time. If more than one alarm condition occurs,
the alarm message is displayed in priority order.
37. ADVISORIES
This section of the screen is used to display alert, status, and prompt
messages. There are three available advisory lines in this section. If more
than one message is displayed, the advisories are posted in priority order.
38. ECG LEAD
This field displays che selected ECG signal source and its status. Selections are skin
leads (J, I, WI, aVR,aVL,aVF,V) or EXTERNAL.
When skin leads are selected and a lead fault occurs, then the selected lead is
alternately displayed with the text "Lead Fault".
When an "External" source is selected and a cable is not present, then the
text "No Cable" is displayed.
39. ECG GAIN
Indicates the gain factor applied to the ECG signal. When normal gain is
applied, "Normal" will be displayed in this field. When using variable ECG
gain "N" is displayed with N varying over a range of 0.15 to 3.0.
System 98 Service Manual 1-15
Chapter 1, Operation