GE Corometrics 126, Service Manual

Page: 41 / 440

Revision B 120 Series Maternal/Fetal Monitor 3-3
2015590-001
Controls, Indicators, and Connectors: Front Panel Description
Table 3-1. Model 129 Front Panel
# Name Description
A Display
The monitor’s display is divided into several sections. The content and layout of the
display can change, depending on which functions are installed in the monitor and the
modes of operation in use.
B FHR1 Volume Decrease Button
The four Volume buttons raise ( ) and lower ( ) the volume of sound emitted by
the rear panel speaker. The left pair controls the volume for FHR1. The right pair
controls the volume for FHR2.
Volume settings have no effect on the processing used to determine heart rate. The
volume buttons work in conjunction with the volume control settings on the US/US2
Setup screen (
page 5-9 ) and on the FECG Setup screen ( page 5-8 ).
C FHR1 Volume Increase Button
D FHR2 Volume Decrease Button
E FHR2 Volume Increase Button
F Alarm Silence Button Pressing this button removes the audible indication of an individual alarm.
G Test Button
Pressing and holding this button for one second starts or stops a monitor self-test
routine.
H BP Start/Stop Button
This button starts and stops both manual and automatic blood pressure
determinations. It also provides a “shortcut” for changing the auto interval time.
I UA Reference Button The UA Reference button sets a baseline for uterine activity pressure monitoring.
J Mark [Offset] Button
The Mark (Offset) pushbutton is a multi-function pushbutton.
„
Mark: Pressing this button prints an event mark on strip chart paper (on the
bottom two lines of the top grid).
„
Offset: When the Heart Rate Offset mode is enabled, pressing and holding this
button shifts the secondary FHR trend +20 BPM for visibility purposes.
K Paper Advance Button
Pressing this button advances chart paper at a rate of 40 cm/min for as long as the
button is held down.
L Record Button The Record button selects one of three recorder states: on, maternal-only mode, or off.
M Power Indicator The indicator lights green when the monitor is turned on.
N Record Indicator
Indicator Status Recorder Status
on on
off off
flickers maternal-only mode
flashing error condition
O Trim Knob Control
Operation of the monitor is controlled by using the front panel pushbuttons in
conjunction with the Trim Knob control. This control selects softkeys on the display
and positions a cursor within a setup screen. Rotate the Trim Knob control left or right
to highlight items on the screen with a bar cursor. After highlighting the desired item,
press the Trim Knob control to make the selection. In summary: rotate to move cursor;
press to select an item.
P Recorder Door Latch Opens the strip chart recorder door to add, remove, or adjust the paper.
Q Power Switch
Moving the switch to the on position (
I
) turns on the monitor; moving the switch to the
off position (
O
) turns off the monitor.
R Strip Chart Recorder
Annotations and trends are printed on the strip chart paper. Two paper styles are
available. Refer to
“Chapter 5, Setup Procedures” , for instructions on loading strip
chart paper into the recorder.