Measuring Mode - Nellcor NPB-75 Service Manual

Section 4: Service Mode
4-4
Table 4-1: Accessing Service Mode and
Objective
To change Contrast
Cal. setting to set
To start Contrast Cal.
To adjust Contrast
Cal. middle point
To accept new setting
To reset and return to

measuring mode

(automatically erasing
the event messages
memory)
To exit service mode
from any service
screen without erasing
the event messages
memory
Changing Parameter Settings (Continued)
Action
short press
short press
press
until desired
setting is reached.
(Pressing on the left
lightens the screen,
and pressing on the
right darkens the
screen.)
short press
long press
Turn off the
monitor.
Response
"Contrast Cal." flashes.
Screen lightens or
darkens
Note: Reset time is
approximately one
minute.