GE Corometrics 250cx Series Service Manual page 168

Question
How do I enable/disable Heart Beat
Coincidence?
How do I change recorder font size?
5-28
Troubleshooting: FAQs
J109
115
115 X/R
Loopback (test)
Critikon
1371 (HP)
1371/Notes (HP)
250Plus
Nellcor
Exergen
13. When the desired baudrate is displayed, press the Trim Knob again to save.
14. Repeat Steps 7 through 12 for each communications port.
15. To exit the Service mode, follow the instructions at the top of Page 16.
1. Enter Install Options Screen 1. (Refer to, "How do I access the service setup
/ install options screens?" on page 5-27.)
2. In Install Options Screen 1, rotate the Trim Knob to highlight the HBC: setting on the
eleventh line from the top (excluding the Title).
3. The current setting is either On (enabled) or Off (disabled).
4. Once the HBC: setting is highlighted, press the Trim Knob again. The current setting
displays in blinking inverse video.
5. Now rotate the Trim Knob to change the current volume setting. Select a value.
6. Once you set the desired value, press the Trim Knob again to save the value. The
current value setting stops blinking.
7. To exit the Service mode, follow the instructions at the top of Page 16.
1. Enter the Install Options Screen 1. (Refer to, "How do I access the service
setup / install options screens?" on page 5-27).
2. In the INSTALL OPTIONS screen, rotate the Trim Knob to highlight the Recorder
Font Size: setting.
3. The current setting is Small, Medium or Large.
4. Once the Recorder Font Size: setting is highlighted, press the Trim Knob again. The
current setting displays in blinking inverse video.
5. Now rotate the Trim Knob to change the current volume setting. Select a value.
6. Once you set the desired value, press the Trim Knob again to save the value. The
current value setting stops blinking.
7. To exit the Service mode, follow the instructions at the top of Page 16.
250cx Series Maternal/Fetal Monitor
2036947-001
J110
115
115 X/R
Loopback (test) Loopback (test)
Critikon
1371 (HP)
1371/Notes (HP) 1371]Notes (HP)
250Plus
Factory (test only)
Answer
J111
115
115 X/R
Critikon
1371 (HP)
250Plus
Nellcor
Exergen
Revision C