User's Manual

1-8
The user is able to put alarms on hold (SOUND ON
HOLD) only when the Alarm Tone is active (no X appears
in the bell symbol in the upper left of the screen). Alarm
Hold is useful for temporarily disabling the Alarm Tone.
This might be useful, for example, when changing ECG
leads or for any user activity which might cause a “false”
alarm.
1.4.2
DCU Display. The DCU display screen (See Figure 1-6) displays four groups of data: 1) the
Informational Display, 2) the Vital Signs Trace Display, 3) the Vital Signs Numeric Display and 4) the
Status Display. The entire display screen, with its four different display groups, is called the “Normal
Screen.” The four display areas are described below.
Figure 1-6. The Normal Screen
a. Informational Display. (See Figure 1-7) The Informational Display is located at the
top of the Normal Display. This display provides the operator with the current time, the
Alarm Status Bell Symbol, a flashing Heart Rate Symbol, a flashing Lung Symbol, any
current user messages and the current Patient Selection.
Figure 1-7. The Informational Display
(1) Time. The current time is displayed in a 12 or 24 hour format (hh:mm:ss). The
time, date and clock mode (12 or 24 hour) is adjusted in the TIME Menu.
(2) Alarm Status Symbol. The 3160 MRI Physiological Monitoring System
sounds an Alarm Tone when any monitored parameter violates its
programmed Alarm Limits. The status of the Alarm Tone is indicated by the
bell shaped Alarm Status Symbol.
WARNING
When an “X” appears in the Alarm Status Symbol, the audible Alarm Tone will NOT sound for any
reason.