HP T5545 TeemTalk 7.0 User Manual - Page 146
ENQ ACK, XON/XOFF, DC1/DC2/DC1 handshake. The host sends an ASCII
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HP 700-92/96 Emulation 3 DC1/DC2/DC1 handshake. The host sends an ASCII DC1 control code, to which TeemTalk replies by sending a DC2 code if ready to transmit. The host sends the DC1 code again to cause the data block to be transmitted. The type of handshake used for block transfers is determined by the type of block transfer to be performed, the mode that the HP70092 emulation currently operating in (character, block line, block page, or modify mode), and the setting of these two options. The setting of these two options will have the following general effect: InhHndShk only selected: The DC1/DC2/DC1 handshake or no handshake will be used. InhDC2 only selected: The DC1 handshake or no handshake will be used. InhHndShk and InhDC2 selected: No handshake will be used. Enq/ack pacing Factory default: Checked The setting of this option determines whether the Hewlett Packard ENQ ACK handshake is used. When checked, the host can send an ASCII ENQ (enquiry) control code at the end of transmission asking if the data has been processed, to which TeemTalk will reply by sending an ACK (acknowledge) code when it has. Note that this form of handshaking has the lowest priority after hardware and XON/XOFF handshaking. EscXfer Factory default: Unchecked This option determines whether escape sequences relating to the display are sent when the display memory is transferred to the printer. 130 Setup Options
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