BT-720 Operation manual
P/N:720-ENG-OPM-ENG-R03
Bistos Co., Ltd.
2020.10
33
patient’s arm to cold air since this can affect the readings.
4.
Has all patient nail polish, especially blue or purple been
removed?
SpO2 value turn on
and off during
monitoring
During long term monitoring, patient movement might result in
SpO2 interruption. Keep the patient stabilized. SpO2 interruptions
due to patient hand motion are normal.
Blood pressure
measurement does
not start
1
．
Check whether the pump is broken.
2
．
Check whether the trachea is broken.
3
．
Check whether the blood pressure plate is normal.
Blood pressure
started, but couldn't
measure the value
1
．
Check whether the blood pressure cuff is leak.
2
．
Check whether the NIBP extension tube and machine connect
is well.
3
．
Check whether the deflating valve on blood pressure plate is
normal.
4
．
Check whether the pressure sensor is normal.
If the above doesn't solve the problem, please contact Bistos after-sales department or dealers.
15 Manufacturer’s declaration on EMC
BT-720 needs special precautions regarding EMC (Electromagnetic compatibility) and needs to be used
according to the EMC information provided in this user manual. Wireless communications equipment
such as wireless home network devices, mobile phones, cordless telephones and their base stations,
walkie-talkies can affect the BT-720 and should be kept at least 1 m away from the equipment.
NOTE
Using unqualified accessories, sensors and cables will increase the electromagnetic
emission and reduce the electromagnetic immunity of the device.
Do not put the device close to other devices or stack together. When necessary,
observe the device closely to ensure that it runs normally in the environment.
The device requires special EMC protection, and it is necessary to install and maintain it
in the environment that meets the following EMC information.
Even if other devices comply with CISPR emission requirements, they may also cause
interference to this device.
When the input signal amplitude is smaller than the minimum amplitude specified in
the technical specifications, it may result in inaccurate measurements.
Mobile communication devices or wireless network devices may have an impact on the
device.
15.1 Electromagnetic emissions
The BT-720 is intended for use in the electromagnetic environment specified below.
The customer or the user of the BT-720 should assure that it is used in such an environment.
Emissions test
Compliance
Electromagnetic environment - guidance
RF emissions
CISPR 11
Group 1
The BT-720 uses RF energy only for its internal function.
Therefore, its RF emissions are very low and are not likely
to cause any interference in nearby electronic equipment.
RF emissions
CISPR 11
Class A
The BT-720 is suitable for use in all establishments other
than domestic, and may be used in domestic
establishments and those directly connected to the public
low-voltage power supply network that supplies buildings
used for domestic purposes, provided the following
