User's Manual

Operator’s Manual ZM-920PA/921PA/930PA/931PA 51
Alarm List
RA
LA
LL
Va
Vb
(1)
Displayed as LED on
ZM-920PA/921PA
(2)
(3)
SpO
2
data
(4)
pulse level bar graph
(5)
%SpO
2
indication
Sound Display Cause Countermeasure
Single “peep”
sound
for 4 s
--- The CALL key is pressed. The sound lasts while
the key is pressed.
--- (1) The battery voltage
decreases and battery
charge is almost zero.
Replace the batteries
with new ones.
Continuous
“peep” sound
All lights are off Battery is completely
discharged.
Replace the batteries
with new ones. To
stop the sound, turn
off the power.
--- (2) Electrode lead is
disconnected from the
electrode.
Firmly connect the
electrode lead to the
electrode.
Electrode lead is
disconnected from the
transmitter.
Firmly connect the
electrode lead to the
transmitter.
Electrode lead
discontinuity
Replace the electrode
lead with a new one.
Electrodeisnotrmly
attached to the skin.
Replace the electrode
with a new one.
Polarization voltage is
abnormally high.
Intermittent
“pip” sound
every 0.5 s
--- SpO
2
measurement site
isunderuorescent
light, surgical light,
sunlight, etc.
Cover the
measurement site
with a blanket or
cloth.