Nellcor OxiMax N-600X Operator's Manual page 52

Using the Monitor
44
3. Once the display test portion of POST completes, the software
version displays for approximately five seconds and a sequence
of three ascending tones sound.
Note:The software version shown above is only a sample. Check your
monitor for the current software version installed.
The software version is often needed when calling Nellcor's
Technical Services Department or your local Nellcor representative
for technical assistance. Record the software version number and
have it available prior to contacting technical assistance.
4. If the monitor detects an internal problem during the POST
process, an error tone sounds and the monitor displays an error
code (EEE) and the corresponding number (see Troubleshooting
on page 139).
5. Upon successful completion of the POST, the monitor sounds a
one-second tone indicating the monitor has passed the test.
N-600x Operator's Manual