Nellcor Oximax NPB-40, Operator'S Manual, Page: 24 / 161

Description of Controls, Indicators, and Symbols
16
The
Backlight
button. Press the
Backlight
button to
toggle the backlight ON or OFF. The backlight will
remain on for 9.5 to 10.5 minutes. See
Backlight On/Off
on page 44.
The
Up Arrow
button. Press the
Up Arrow
button
sequentially to increase the parameter under adjustment
by one increment. Press and hold the
Up Arrow
button
for more than three seconds to cause the increment to
repeat.
Press the
Up Arrow
button during normal operation to
increase the pulse beep volume.
The
Power
button. Press the
Power
button to toggle the
NPB-40 power ON or OFF. The
Power
button has a
raised protrusion (bump) at its center and a gloss surface
finish for tactile differentiation.
Description of the Display and Indicators