WatchGas BEACON SOUNDER, User Manual

Page: 10 / 13

BEACON SOUNDER
detection
watch gas
10
FORMAT
The serial commands consist of a 7 byte string with the following layout.
BYTE FORMAT DESCRIPTION
0 ASCII ‘X’ Synchronization character
1 ASCII Hex Display mode
2 ASCII Hex Red
3 ASCII Hex Green
4 ASCII Hex Blue
5 ASCII Hex Sound mode
6 ASCII Hex CRC
All ASCII Hex values are a single value ranging from 0 to F.
NOTE
This command has to be repeated at least every 15 seconds. If no command has
been received for 15 seconds, the Beacon Sounder will switch off.
The CRC byte is calculated as following:
crcByte = toHex ( (Byte[0] + … + Byte[5]) & 0xF );
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