Assessments - 4, GPA: 3.5
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(4) Data Receiving Control When the BUSY signal is LOW, your printer receives data from the host side, but when this signal is HIGH, it cannot receive data. (5) Buffering Data transfer to the input buffer is controlled by the DTR and TD signals. Please refer to 9.3 b) for the DTR signal and 9.3 f) for the TD signal. 29 CITIZEN CBM-710/720/730/750 User’s Manual (6) Electrical Characteristics a) RS-232C Circuit Input (RD) MAX232 or equivalent Mark = (-8V): Stop bit Space = (-8V): Start bit Output (DTR, TD, FAULT) MAX232 or equivalent *DTR (–8V): (+8V): *FAULT (–8V): (+8V): BUSY READY Normal Abnormal *TD Mark = (–8V): 1 Space = (+8V): 1 30 CITIZEN CBM-710/720/730/750 User’s Manual b) Current Loop Circuit Input (RD) Mark = Current ON Space = Current OFF Output (DTR, TD) *DTR Current ON : READY Current OFF : BUSY *TD Mark = Current ON Space = Current OFF c) TTL Circuit Output (PE) 7406 or equivalent *PE H : L : Paper empty Paper reaming RESET 7406 or equivalent LOW for RESET 31 CITIZEN CBM-710/720/730/750 User’s Manual 10. FUNCTION SELECTION In order to meet the widest possible range of needs, various conditions can be selected by setting the DIP switches and slide switches. (1) Setting DIP Switch DS1 No. Function Off On Factory Setting 1 Auto Cutter No Yes *1 2 Off 3 International country switching (Refer to the table below) Off 4 Input buffer 7K Byte 2 Line *1 5 Character direction Normal Inverted *1 6 CRcord CR CR+ LF Off 7 Mode Character Graphic *1 8 SEL/DESEL at "power on" SELECT DESELECT Off Note : *1) Setting is variable, depending on the type of printer. No. USA FRANCE W.GERMANY ENGLAND 2 OFF ON OFF ON 3 OFF OFF ON ON 32 CITIZEN CBM-710/720/730/750 User’s Manual (2) DIP Switch DS2 (Serial interface specifications only) No . Function OFF ON Factory Setting l Word length setting 8 bits 7 bits OFF 2 Parity check YES NO ON 3 Parity condition ODD EVEN OFF 4 Not in use 5 OFF 6 OFF 7 Baud rate setting (Refer to the table below) ON 8 OFF bps No 110 150 300 600 1200 2400 4800 9600 5 OFF ON OFF ON OF F ON OFF ON 6 OFF OFF ON ON OF F OFF ON ON 7 OFF OFF OFF OFF ON ON ON ON 8 OFF OFF OFF OFF OFF OFF OFF OFF 33 CITIZEN CBM-710/720/730/750 User’s Manual (3) Slide Switch Setting (Serial interface specifications only) RS232-C or 20mA current loop can be selected by changing slide switch SW1 on the control board. The side labeled "RS" is for RS232-C and the side, labeled "CL" is for 20mA current loop. The switch is set at the factory for RS232-C. (4) DIP Switch and Slide Switch Locations DIP switches and slide switches are mounted on the control board to make function selection possible. When function selection is performed, remove the printer bottom cover. Special care should be taken to avoid damage to electronic parts and wiring. Furthermore, be sure to disconnect the power plug from the electric outlet before opening the printer case. Note: 1. DS2 is mounted for RS232C and RS422A type only. 2. SW1 is mounted for RS232C type only. 34 CITIZEN CBM-710/720/730/750 User’s Manual 11. PRINT CONTROL FUNCTIONS 11.1 Control Codes Function cord Hex. Code Functions FF + n 0C+n "n-line" paper feed command SO 0E Enlarged character command SI 0F Normal character command LF 0A Paper feed command CR 0D Print command DC1 11 Initial set command oc2 12 Inverted character command DC3 13 Red color print command CAN 18 Clear command ESC+P+0 1B, 50, 00 Paper full cut command ESC+P+1 1B, 50, 01 Paper partial cut command ESC+P+2 1B, 50, 02 Validation print BEL 07 Buzzer command ESC + -+ n 1B, 2D, n Underline command ESC + * +n1 + n2 1B, 2A, n1 , n2 Graphic command ESC + 1 1B, 31 1/9 inch paper feed preset command ESC + 2 1B, 32 2/9 inch paper feed preset command ESC + C + n 1B, 43, n Page length set command ESC + f + 1 1B, 66, 01 Form feed command ESC + N + n 1B, 4E, n n line skip perforation command ESC + 0 1B, 4F Skip perforation cancel command 35 CITIZEN CBM-710/720/730/750 User’s Manual 11.2 Input Data Formats (1) Paper feed command for "n" lines D8 D1 1st byte 0 0 0 0 1 1 0 0 FF (0C)H + n D8 D1 2nd byte N7 N6 N5 N4 N3 N2 N1 N7 ~ N1 (Binary digits) When the number of lines to be fed (2hd byte) is written-in following the paper feed command (1st byte), the paper will be fed by the number of lines specified. The number of lines to be fed can be specified from n=1 to 127. If "0" is specified, paper feed will not be carried out. When there is data in the print buffer at the time this co mmand is applied, this data will first to printed out and then line feeding of "n" lines will be performed. (2) Enlarged character command D8 D1 0 0 0 0 1 1 1 0 SO (0E)H The data following this command, are printed out in twice the normal width. This mode will continue until the corresponding cancel command is input, or automatically released after printing one line. Since enlarged characters are twice the normal width, care should be taken to avoid exceeding the column capacity. 36 CITIZEN CBM-710/720/730/750 User’s Manual (3) Enlarged character cancel comman...
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