BT-750 Operator Manual 27
P/N : OPM(BT-750)EN Bistos Co.,Ltd. Rev.02(2013.04.12)
5.3.3 Alarm properties
BT-750 offers Alarm function to user. User should have full knowledge about this chapter
and take right action on alarming. BT-750 provides alarm service in two ways. One is
audio Alarm and the other is alarm message.
1) AUDIO ALARM
The high level alarm beeps 5 times and it beeps 5 times. The high level alarm has a
specific rhythm that meets international standard. The medium level alarm beeps 3 times
at 15 second intervals. Low-level alarm beeps to inform the occurrence of following
state. Low level alarm beeps once at 30 seconds
Alarm type
Tone Pitch
Beep Rate
IEC60601-1
‐
8
IEC60601-1
‐
8
High Level Alarm
~976 Hz
10 beeps in 15 sec
Medium Level Alarm
~697 Hz
3 beeps in 15 sec
Low Level Alarm
~488 Hz
1 beeps in 30 sec
High Level Alarm
It operates only when the value is extremely in abnormal state. For example, if pulse rate indicates
0, high level alarm generates regardless of alarm limit.
Medium Level Alarm
It operates only when the value is beyond alarm limit.
Low level Alarm
It beeps when abnormal result brings up or there is anything that the user needs to be
informed.
Note
When you use battery and alarm generates , the alarm volume is
small.
Visual alarm
To help you detect the cause of an alarm, the numeric values of the relevant items keep
blinking.
