Invivo Millennia 3155A, Service Manual

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2-3
Figure 2-1. The Millennia
®
3155MVS/3155A Monitor Front Panel
f. Highlight the RETURN menu item, press the knob and verify that the menu is removed
from the Display Screen.
2.2.2 Control Key Verification. The Control Keys are located to the right of the Display Screen.
Pressing a control key will open a function menu then, with the Rotary Knob, menu items may be
selected and executed within the opened menu. Perform the following procedure to verify proper
operation of the Control Keys:
a. Verify the NIBP START/STOP Control Key as follows:
(1) Connect an NIBP Cuff to the SENSE and INFLATE ports on the 3150/3150M
monitor Parameter Panel.
(2) Press the NIBP START/STOP Control Key on the Millennia
®
3155MVS/3155A
monitor.
(3) Observe that the 3150/3150M monitor attempts to take an NIBP measurement.
(4) Press the NIBP START/STOP Control Key on the Millennia
®
3155MVS/3155A
monitor.
(5) Observe that the
3150/3150M
monitor NIBP Pressure Pump turns off.
b. Verify the
NIBP STAT
Control Key as follows:
(1) Press the NIBP STAT Control Key on the Millennia
®
3155MVS/3155A .
(2) Observe that the 3150/3150M monitor attempts to take an NIBP measurement.
(3) Press the NIBP START/STOP Control Key on the Millennia
®
3155MVS/3155A .
(4) Observe that the 3150/3150M monitor NIBP Pressure Pump turns off.
c. Verify the
FREEZE
Control Key as follows:
(1) Press the FREEZE Control Key.
(2) Observe that the display screen Trace A "Freezes" in Trace B location.