GE Corometrics 250 Series Service Manual page 169

Question
How do I access the service setup / install
options screens?
How do I set/change RS232 serial
communications baudrates and protocols?
Revision D
Troubleshooting: FAQs
1. Rotate the Trim Knob to highlight the Setup softkey at the bottom of the display,
below the menu bar.
2. Once the Setup softkey is highlighted, press the Trim Knob.
3. The display changes to show the General Setup screen.
4. In the General Setup screen, rotate the Trim Knob to move the highlight to the
Service softkey which is located at the bottom of the display, below the menu bar.
5. Once the Service softkey is highlighted, press the Trim Knob.
6. The display changes to show the Service Lock screen. There are four single-digit
fields in the center of the screen, below the field, Enter Access Code. Enter the code
to access restricted service settings in the 250 Series Monitors in these fields. The
access code is the current date setting in the form of 'M M D D' or 'D D M M', where
M M is the current month (0 1 to 1 2), and D D is the current date (0 1 through 3 1).
NOTE: The access code should reflect monitor's date setting. If the monitor date is
incorrectly set, the access code for the actual calendar date will not work.
7. Rotate the Trim Knob to highlight each of the access code fields. Press the Trim
Knob, and rotate the Trim Knob to input the individual numbers that form the access
code. When you enter the last digit and press the Trim Knob, the monitor tests the
access code. If valid, the screen changes to the Install Options Screen 1. If invalid,
the Trim Knob press does nothing.
8. To exit the Service mode, follow the instructions at the top of
NOTE: Selecting Store Current to Hospital automatically sets the Default Settings: to
Hospital.
1. Enter Install Options Screen 1. (Refer to,
options screens?" on page 5-27)
2. In Install Options Screen 1, rotate the Trim Knob to highlight the COMM softkey at
the bottom of the display, below the menu bar.
3. Press the Trim Knob to enter the Communications Setup screen.
4. On the Communications Setup screen, the three items in the column at the far left
represent the Rear Panel RS232 Communications Port designations J109, J110 and
J111. The middle column represents the current Baudrate for the associated
communications port (same line reading across), and the last column on the right
represents the communications protocol for the associated communications port.
Baudrates and protocols for all three ports are configurable.
5. To change a Baudrate, rotate the Trim Knob to highlight the desired baudrate
selection on the desired communication port line.
6. Press the Trim Knob. The current setting displays in blinking inverse video.
7. Now rotate the Trim Knob to change the current baudrate setting. Select from 600,
1200, 2400, 4800, 9600, and 19200.
8. When the desired baudrate displays, press the Trim Knob again to save.Once
selected, the setting stops blinking.
9. To change a protocol, rotate the Trim Knob to highlight the desired protocol selection
on the desired communication port line.
10. Press the Trim Knob. The current setting displays in blinking inverse video.
11. Now rotate the Trim Knob to change the current setting. Select from the options in
the following table on the associated communications ports.
12. To exit the Service mode, follow the instructions at the top of
NOTE: All ports do not support all protocols.
250 Series Maternal/Fetal Monitor
2020551-001
Answer
Page 16.
"How do I access the service setup / install
Page 16.
5-27