Chapter 4: Operating Instructions
Pulse Oximeter for Sleep Screening Operation Manual
4-9
Trend Printing Mode
The Trend Printing Mode is intended for use in the output of the trend data summation to the
built-in printer or to a PC for a full computer data download.
The Trend Printing Mode is entered after the monitor is powered down in the Data Collection
Mode, and powered back up, or when the trend memory becomes full.
The user functions in Trend Printing Mode are:
The SpO
2
display will be blank and the heart rate display will flash
trn
. The oximetry
function will be suppressed in this mode (see Fig. 4.6).
Pressing the
x
key will turn off the power. After power down, the unit will be powered up
to the same Trend Printing mode.
Briefly pressing the
F
key will activate a printout (statistical sleep screening information,
see Fig. 7.1) Pressing the
F
key during the printout will terminate the printout. Printing
the printout can be repeated an unlimited number of times.
Pressing and holding the
F
key will advance the paper (see pg. 7-5). Reloading the paper
is allowed in this mode.
Holding the
F
key for 6 to 8 seconds at power up will clear the trend data and switch the
unit into Verification Mode (see Ch. 6).
The serial link to a PC will start as soon as the monitor is powered up. If a
miscommunication between the monitor and the PC occurs, turning ‘Off’ the monitor and
then back ‘On’ will re-establish the link. (see Appendix A for output protocol)
Figure 4.5: Data Collection Mode display
Figure 4.6: Trend Printing Mode display
1.
2.
•
•
•
•
•
•
%SpO2
B P M
%SpO2
B P M
trn
