MEWOI MEWOI-JY218, User Manual, Page: 15 / 16

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weighting Z after receiving the command 'F', and then send
'F' as the response.
Toggle time weighting T Toggle the time weighting between F and S after
receiving the command 'T', and then send 'T' as
the response.
Please note that commands 'R', 'F', and 'T' will not work out if the
measurement is on-going, because the parameters cannot be
changed during the measurement. They will just send the
responses to tell the user that the instrument has received the
commands.
The data format of instant level, maximum, minimum and LCpeak
got from the instrument:
start byte (0x01) + data (5 bytes) + checksum (2 bytes) + end byte
(0xFF)
for example: (prefixes '0x' are omitted)
01 30 39 34 2E 32 00 FD FF
"30 39 34 2E 32" is the hex data of the ASCII string "094.2".
"00 FD" is the checksum calculated just like this:
30+39+34+2E+32=00FD.