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
～60～
Chapter 14 FCC Statement
Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Chapter 15 Ultrasonic Related Information
Ultrasonic Principle
ALARA
Please observe ALARA (As Low As Reasonably Achievable) principle when using ultrasound. So far there is
no confirmed evidence to prove that ultrasound has obvious harm to human, but the users shall be cautious
when using ultrasound. Provided that sufficient diagnostic information is acquired, try to shorten the time to
examine the patient with the Transducer on one body position. The ultrasound power and acoustic intensity
are relevant to scanning time. The user shall observe ALARA principle to select an appropriate ultrasound
power for the exam-based on his exam needs.
Ultrasound Effects
Ultrasound effect shall include heating and cavitation.
Heating effect: Ultrasound in nature is mechanical wave. During its propagation in human body, the human
tissues are oscillated, heat is generated, and human tissue temperatures. Be vigilant to damage due to the
heating effect, and always follow ALARA principle.
Cavitation: Cavitation can occur when sound passes through an area that contains small bubbles. With
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