6
Displays, Indicators, and Controls
Displays, Indicators, and Controls
This chapter describes the displays, indicators, and controls (figure 1) for the Model 2500A VET.
Figure 1: Model 2500A VET - Front View
Displays
%SpO
2
SpO
2
Display
The upper 3-digit light-emitting diode (LED) display shows the current oxygen
saturation percentage. This display flashes during SpO
2
alarms.
This display also indicates if a pulse oximeter sensor fault or inadequate signal
condition exists. If one exists, a dash (-) appears in the leftmost position of the
SpO
2
display and the readings freeze. After 10 seconds, a dash appears in the
middle position of the SpO
2
display.
Pulse Rate Display
The lower 3-digit LED display shows the pulse rate in beats per minute. This
display flashes during pulse rate alarms.
During a pulse oximeter sensor fault or inadequate signal condition, the pulse rate
display freezes for 10 seconds and then a dash appears in the middle position of
the display.
SpO
2
Display
On / Off
Button
Pulse Quality LED
Indicator (Tricolor)
Pulse Rate
Display
Pulse Oximeter
Sensor
Connector
Advance Button
Low Battery
LED Indicator
Alarm Bar LED
(Bicolor)
Speaker
Alarm Silence
LED Indicator
