GE Corometrics 250 Series, Руководство по обслуживанию

Страница: 127 / 252

Revision D 250 Series Maternal/Fetal Monitor 4-47
2020551-001
Maintenance: Maternal SpO
2
Calibration
12. If you suspect that the interconnect cable is not working properly, refer to Chapter
6, “Parts List, Drawings, and Replacement” or contact your GE Service
Representative for part ordering information.
13. If you suspect that either the Display Driver Board or the Controller Power Unit
are not functioning correctly and you have another properly functioning 250
Series Monitor, substitute the entire display assembly and check for proper
operation. Refer to
“Checkout” and “Checkout” . Contact your GE Service
Representative for ordering information.
Maternal SpO
2
Calibration
The 250 Series Monitor automatically performs a self-test on the pulse oximetry
module upon power up and whenever the MSpO
2
module is reset. The self-test
verifies the integrity of the ROM, RAM, Back-End Processor, and System Voltage
levels. The module operation begins if no error was detected during the self-test.
Hardware Switches
The 250 Series Monitor Main Motherboard contains one dip switch pack SW1,
which is used to:
„
enable/disable a factory test mode (for factory use only);
„
select between Hewlett-Packard or Corometrics–compatible outputs from the
rear panel
J102 connector;
„
set the clock speed;
„
enable/disable the maternal NIBP option;
„
enable/disable/select the MSpO
2
option;
„
enable/disable the MECG option.
To configure these switches:
1. Turn off the 250 Series Monitor and disconnect the power cord from the
monitor.
2. Remove the nine screws which secure the monitor top cover. Four screws are
located on the bottom of the monitor and five screws are located in the back.
3. Remove the cover by sliding it toward the rear of the monitor.
4. Set the switches according to the table below.
5. Replace the monitor top cover and secure with all nine screws.
6. Re-connect the power cord and turn on the monitor.