Nellcor Oximax NPB-40, Руководство оператора

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Description of Controls, Indicators, and Symbols
14
Note : When the NPB-40 is turned on, a button press,
except the
Power
button, should result in either a
valid or an invalid key tone (refer to Description of
Audible Indicators on page 22). If the key pressed
fails to emit a tone, contact qualified service
personnel.
The
Alarm Silence
button. Press the
Alarm Silence
button to silence audible alarms within 1.5 seconds after
the start of the alarm. If the
Alarm Silence
button is
pressed when no audible alarm is active, alarms during
the alarm silence duration will be silenced. In all cases,
the alarm silence shall time out after the selected alarm
silence duration, and auditory alarm capability is
reactivated.
Note: Alarms that occur throughout Power-On Self-Test
(POST) cannot be silenced.
Press and hold the
Alarm Silence
button for three
seconds to invoke the Alarm Silence Duration menu,
which allows the alarm silence interval to be adjusted
from 30, 60, 90, or 120 seconds or to OFF (alarms
disabled). See
Set Alarm Silence Duration on page 54.
The
Down Arrow
button. Press the
Down Arrow
button
to sequentially decrease the parameter under adjustment
by one decrement. Press and hold the
Down Arrow
button for more than three seconds may cause the
decrement to repeat.
Press the
Down Arrow
button during normal operation
to decrease the pulse beep volume.