Salter Brecknell SBI140 - Manual (Page 24)

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weight. Minus sign follows after the first digit.
c) Useless leading zero before digits is suppressed.
2.3) Key to symbols used
<LF> Line Feed character (hex 0AH)
<CR> Carriage Return character (hex 0DH)
<ETX> End of Text character (hex 03)
<SP> Space (hex 20H)
H1H2H3 Three status bytes
<p> Polarity character including minus sign for negative weight and a pace
character for positive weight
W1-W7 weight data
<dp> decimal point
U1U2: measure units, kg, lb, or oz
2.4) Commands and response
(1) Command: W<CR> (57h 0dh)
Response:
①<LF>^^^^^^^^^u1u2<CR><LF>H1H2H3<CR><ETX>---over capacity
②<LF>________u1u2<CR><LF> H1H2H3 <CR><ETX>---under capacity
③<LF>---------u1u2<CR><LF> H1H2H3<CR><ETX>---zero-point error
Note: If the weight unit is lb: oz, U1U2= oz in above item ①②③.
④<LF><p>w1w2w3w4w5w6<dp>w7u1u2<CR><LF>H1H2H3<CR><ETX>
---Scale is stable, and the current weight unit is kg or lb. With or without
decimal point and the position is as per the P9 setting and current unit.
⑤<LF><p>w1w2w3w4w5lb<sp>w6w7<o><z><CR>H1H2H3<CR><ETX>
Or <LF><p>w1w2w3w4lb<sp> w5w6<dp>w7oz<CR>H1H2H3<CR><ETX>
----The current unit is lb: oz.
(2) Command: S<CR> (53h 0dh)
Response: <LF> H1H2H3<CR><ETX>
(3) Command: Z<CR> (5ah 0dh)
Response: Zero function is activated and it returns to current scale status. just
like pressing ZERO/ON/OFF button:
<LF>
H1H2H3 <CR><ETX>
If ZERO function cannot be activated, it will return to current scale status.