5-28 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Troubleshooting: FAQs
J109 J110 J111
115 115 115
115 X/R 115 X/R 115 X/R
Loopback (test) Loopback (test) Loopback (test)
Critikon Critikon Critikon
1371 (HP) 1371 (HP) 1371 (HP)
1371/Notes (HP) 1371/Notes (HP) 1371]Notes (HP)
250Plus 250Plus 250Plus
Nellcor Factory (test only) Nellcor
Exergen Exergen
Question Answer
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.
How do I enable/disable Heart Beat
Coincidence?
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.
How do I change recorder font size? 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.