User's Manual

1-4
a. The Rotary Knob. The Rotary Knob is located to the right of the Display Screen. The
function of the Rotary Knob is menu specific. For this reason, its various functions are
described throughout this document where it is used; in general, however, the Rotary
Knob operates as described below:
(1) As the Rotary Knob is rotated, either clockwise or counterclockwise, the
monitor display “scrolls” through the various screen items (screen icons, menu
options and patient parameters) which are available for selection. When the
appropriate item is “highlighted,” it may be selected by pressing and releasing
the Rotary Knob. All menus have a RETURN option which will return the
monitor to the previous menu selection.
(2) During normal operation each active parameter has a Menu-Select icon on the
screen. When the Rotary Knob is rotated, the Menu-Select icon which is being
pointed at becomes “highlighted.” Rotating the Rotary Knob will cause the
monitor to “scroll through” the available menu selections. Once the appropriate
Menu-Select icon is highlighted, pressing the Rotary Knob completes the
selection and brings up the required menu. Once the menu is selected, the
Rotary Knob is used to scroll through the available choices and make
adjustments to the selected parameter. The following Menu-Select Icons may
be available on the Normal Screen (depending on which parameters are
available, enabled and turned on): ECG, NIBP, SpO2, EtCO2 and Agents.
Figure 1-3. The Top Keypad Set
b. The Top Keypad Set. (See Figure 1-3) There are six push keys in the top keypad set.
The top three (FREEZE, EVENT MARK and ZERO ALL) provide direct control of
a monitor feature while the bottom three (SETUP, ALARMS SCREEN and
RECORDER SETUP) provide access to operational menus. The six push keys are
described below:
(1) FREEZE. The 3160 MRI Physiological Monitoring System freezes the
ECG waveform from Trace A for closer examination upon user demand.
When the ECG trace is active, pressing the FREEZE key will freeze it into the
Trace B location while Trace A remains active. When the trace is frozen,
pressing the FREEZE key will release it. A “Blue Box” appears around the
frozen waveform as a visual indication that the waveform is not active. While
the Freeze feature is active, the monitor will not allow any changes to the
Parameter Setups or Display; if the operator attempts to access the
PARAMETER SELECTION menu, a WARNING Box alerts the operator
that entry to the selected menu is not allowed while FREEZE is enabled.
(2) EVENT MARK. The EVENT MARK key prints a marker on the ECG
Recorder Strip when the printer is running. If the printer is not running,
pressing this key has no effect.
(3) ZERO ALL. This feature is not available. Pressing this key will display a
dialog box that alerts the operator that no Invasive Pressures are enabled.
(4) SETUP. The SETUP key allows the operator to access the various available
setup options.