
83
Tone Definition
High Priority Alarm Tone
Volume level Adjustable (level 1~8)
Pitch (± 20Hz) 976 Hz
Pulse width (± 20msec) 150 msec (IEC60601-1-8), 250 msec (GN924)
Number of pulses
10 pulses per 4 sec, 10 sec inter burst (IEC60601-1-8)
7 pulses per 2 sec (GN924)
Repetitions Continually
Medium Priority Alarm Tone
Volume level Adjustable (level 1~8)
Pitch (± 20Hz) 697 Hz
Pulse width (± 20msec) 150 msec (IEC60601-1-8), 350 msec (GN924)
Number of pulses
3 pulses per 1 sec, 15 sec inter burst (IEC60601-1-8)
2 pulses per 1 sec (GN924)
Repetitions Continually
Low Priority Alarm Tone
Volume level Adjustable (level 1~8)
Pitch (± 20Hz) 488 Hz
Pulse width (± 20msec) 150 msec (IEC60601-1-8), 500 msec (GN924)
Number of pulses
1 pulse per 1 sec, 30 sec inter burst (IEC60601-1-8)
1 pulse per 1 sec, 15 sec inter burst (GN924)
Alarm Reminder Tone
Volume level Not changeable
Pitch (± 20Hz) 800 Hz
Pulse width (± 20msec) 200 msec
Number of pulses 1 pulse per 1 second, 3 min, 10 min inter burst
Repetitions Continually
HR/PR Tone
Volume level Adjustable (off, level 1~7)
Pitch (± 20Hz)
650 Hz (ECG)
(162 + 5*SpO
2
) Hz (SpO
2
80% to 100%)
(562 * (0.992
(80 – SpO
2
)
) Hz (SpO
2
below 80%)
Pulse width (± 20msec) 100 msec
Number of pulses N/A
Repetitions No repeat
Key Beep
Volume level Adjustable (off, level 1~7)
Pitch (± 20Hz) 440 Hz (valid)
168 Hz (invalid)
Pulse width (± 20msec) 110 msec
Number of pulses N/A
Repetitions No repeat
POST Pass Tone
Volume level Not changeable
Pitch (± 20Hz) 813 Hz
Pulse width (± 20msec) 1500 msec
Number of pulses N/A
Repetitions No repeat
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