User Manual

67
Appendix A Names and contents of toxic and
hazardous substances or elements
TableNames and contents of toxic and hazardous substances or elements
Toxic or
hazardous
substances
or elements
Toxic or hazardous substances or elements
leadPb
mercury
Hg
cadmium
Cd
Six valence
chromium
Cr(VI)
Six valence
chromium
PBB
Two
phenyl
ether
PBDE
Internal
wire rod
×○○○○○
LCD ○○○○○○
key/knob ○○○○○○
Shell(Plasti
ccement)
○○○○○○
Shield ○○××○○
PCBA ×○○○○○
○:Said the content of toxic and harmful substances in all homogeneous materialsinthepartsof
the SJ/T11363-2006 in the specified limits requires the following.
×:The toxic and harmful substances exceeded the limitation of SJ/T11363-2006 standard in the
content of at least one of the homogeneous materials.
Appendix B Acoustic output data
The meaning of each symbol in the sound output table
Symbol Meaning
Α Acoustic attenuation coefficient
A
aprt
-12dBOutput acoustic beam area
D
eq
Equivalent pore diameter
d
eq
Equivalent sound beam diameter
f
awf
Sound working frequency
I
pa
Pulse average sound intensity
I
pa,α
Average sound intensity after
attenuation
I
pi
Impulsive sound intensity integral
I
pi, α
Pulse sound intensity integral
I
ta
(z) Time average sound intensity
I
ta, α
(z) Decay time average sound intensity
I
zpta
(z)
Spatial peak time average sound
intensity