CITIZEN CT-S300 - Manual (Page 112)

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fn = 12: Function 12 Sending the Set Communication Conditions of
Serial Interface
GS (E pL pH fn a fn = 12
[Code] <1d>H<28>H<45>pL pH fn a
[Range] (pL + pH × 256) = 2 (pL = 2, pH = 0)
fn = 12
1 a 4 (Does not send in other than specified range)
[Outline] Sends communication conditions of serial interface specified by “a”.
• a = 1: Setting baud rate
Hex. No. of Data
Header 37H 1
ID 33H 1
Kind of communication conditions (a) 31H (“1”) ~ 34H (“4”) 1
Separation number 1FH 1
Set value 30H ~ 39H 1 ~ 6
NULL 00H 1
Set value
• a = 1: At specification of baud rate
Baud Rate d1 d2 d3 d4 d5 d6
2400 50 (“2”) 52 (“4”) 48 (“0”) 48 (“0”) — —
4800 52 (“4”) 56 (“8”) 48 (“0”) 48 (“0”) — —
9600 57 (“9”) 54 (“6”) 48 (“0”) 48 (“0”) — —
19200 49 (“1”) 57 (“9”) 50 (“2”) 48 (“0”) 48 (“0”) —
38400 51 (“3”) 56 (“8”) 52 (“4”) 48 (“0”) 48 (“0”) —
• a = 2: At specification of parity
d1 Parity Setting
48 No parity
49 Odd parity
50 Even parity
d1 Flow Control
48 DSR/DTR
49 XON/XOFF
• a = 3: At specification of flow control
d1 Setting Data Length
48 7-bit length
49 8-bit length
• a = 4: Setting to specified data length