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A Format – Strong Target Speed Only
Byte #
1
2
3
4
Description
Target speed hundreds digit (ASCII)
Target speed tens digit (ASCII)
Target speed ones digit (ASCII)
Carriage Return
Value
0x0D
The A Format is available on the Stationary and Traffic Speed Sensor models.
A Format messages are 4 bytes in length. The baud rate setting must be 1200 or greater to
ensure that a complete message is sent before the radar processes a new message to send.
When the Unit Resolution (Setting 21) is set for tenths, the speed reported is multiplied by ten:
58.5 MPH is reported as 585. The decimal point is assumed. An A Format message can carry a
maximum speed in tenths of 99.9.
AF Format – Fast Target Speed Only
Byte #
1
2
3
4
Description
Fast speed hundreds digit (ASCII)
Fast speed tens digit (ASCII)
Fast speed ones digit (ASCII)
Carriage Return
Value
0x0D
The AF Format is available on the Stationary and Traffic Speed Sensor models.
AF Format messages are 4 bytes in length. The baud rate setting must be 1200 or greater to
ensure that a complete message is sent before the radar processes a new message to send.
When the Unit Resolution (Setting 21) is set for tenths, the speed reported is multiplied by ten:
58.5 MPH is reported as 585. The decimal point is assumed. An AF Format message can carry
a maximum speed in tenths of 99.9.
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