User's Manual

10
B、Frame structure description
a. Start code: 1Byte, is fixed to 0X55。
b. Data length: 2 Byte, low bytes in front, high bytes in back
Length = data length + function code + address code 1 + address code 2 +
data + check code。
c. Function code：1Byte
Read r command：0X01
Write command：0X02
Passive report command：0X03
Active reporting command：0X04
d. Address code: Address code 1 indicates the function
classification, and the address code 2 indicates the
specific function. See the address allocation and
data information description。
e. data：n Byte
f. Check the code：2 Byte，Low bytes in front, high bytes in back。
9. FCC Notice:
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. (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.