Nellcor OxiMax N-550B Service Manual page 91

N-550B
Table 13: Tone Definition (Continued)
Audible Indicator
Low Priority Alarm Volume level
Pitch (±30 Hz)
Pulse width (±20 msec)
Pulse repetition interval
(±20 msec) (double burst)
Repetitions
Medium Priority Volume level
Alarm
Pitch (±30 Hz)
Pulse width (±20 msec)
Pulse repetition interval
(±20 msec) (double burst)
Repetitions
POST Pass Volume level
Pitch (±30 Hz)
Pulse width (±20 msec)
Pulse repetition interval
(±20 msec) (double burst)
Repetitions
Pulse Beep Volume level
Pitch (±30 Hz)
Pulse width (±20 msec)
Pulse repetition interval
(msec ±20 msec) (double
burst)
Repetitions
Parameter
Adjustable alarm
volume
500 Hz
200 msec
15000 msec
Continually
Adjustable alarm
volume
752 Hz
Nellcor = N/A
IAW IEC 60601-
1-8 = 160 msec
IAW EN 475 =
200 msec
Nellcor = N/A
IAW IEC 60601-
1-8 = 7600 msec
IAW EN 475 =
20000 msec
Continually
Not changeable
784 Hz
1000 msec
N/A
1
Adjustable
296 Hz to 662 Hz
(varies with
saturation)
40 msec
N/A
1
Specifications
Value
81