S
S
S
R
R
R
F
F
F
6
6
6
1
1
1
8
8
8
B
B
B
6
6
6
U
U
U
s
s
s
e
e
e
r
r
r
’
’
’
s
s
s
M
M
M
a
a
a
n
n
n
u
u
u
a
a
a
l
l
l
～20～
FHR Alarm Delay 0~300 second(s), in increments of 5 5 seconds
NOTE:
You can not disable physiological alarm and change the limitation without password. This senior
function is only for service or maintenance.
4.8 Alarm information
4.8.1 Fetus monitor specific alarm information and prompt information
Physiological alarm:
Alarm message Alarm condition Alarm level
(Bed1/2) FHR1: too High FHR measurement value is higher than preset alarm upper limit High
(Bed1/2) FHR2: too High FHR measurement value is higher than preset alarm upper limit High
(Bed1/2) FHR3: too High FHR measurement value is higher than preset alarm upper limit High
(Bed1/2) FHR1: too Low FHR measurement value is lower than preset alarm lower limit High
(Bed1/2) FHR2: too Low FHR measurement value is lower than preset alarm lower limit High
(Bed1/2) FHR3: too Low FHR measurement value is lower than preset alarm lower limit High
Technical alarm:
Alarm message Alarm condition Alarm level
FHR1:Transducer Off Fetal heart probe is detached from patient or monitor Low
FHR2:Transducer Off Fetal heart probe is detached from patient or monitor Low
FHR3:Transducer Off Fetal heart probe is detached from patient or monitor Low
US1/ US2/ US3 signal loss FHR1, FHR2 or FHR3 signal is too weak for the system to analyze.
Low
Signals Overlap (FHR1, FHR2,
FHR3)
US transducer 1, US transducer 2 and US transducer 3 are aimed at
the same fetal heart; the signals overlap.
Low
4.8.2 System specific alarm information and prompt information
Technical alarm:
Alarm message Alarm condition Alarm level
System: Low Battery
The battery power is too low to support further work of the
monitor.
High
Printer: Not Ready Door of recorder is not closed Low
Printer: No Paper Paper missing in printer Low
Printer: Unknown Error Unknown printer error High
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