Vuquest 3320g User Guide
29
RS232 Timeout
When using Flow Control with Timeout, you must program the length of the delay
you want to wait for CTS from the host. Set the length (in milliseconds) for a time-
out by scanning the bar code below, then setting the timeout (from 1-5100 milli-
seconds) by scanning digits from the inside back cover, then scanning Save.
XON/XOFF
Standard ASCII control characters can be used to tell the scanner to start sending
data (
XON/XOFF On
) or to stop sending data (
XON/XOFF Off
). When the host
sends the XOFF character (DC3, hex 13) to the scanner, data transmission stops. To
resume transmission, the host sends the XON character (DC1, hex 11). Data trans-
mission continues where it left off when XOFF was sent.
Default = XON/XOFF Off
.
ACK/NAK
After transmitting data, the scanner waits for an ACK character (hex 06) or a NAK
character (hex 15) response from the host. If ACK is received, the communications
cycle is completed and the scanner looks for more bar codes. If NAK is received, the
last set of bar code data is retransmitted and the scanner waits for ACK/NAK again.
Turn on the ACK/NAK protocol by scanning the
ACK/NAK On
bar code below. To
turn off the protocol, scan
ACK/NAK Off
.
Default = ACK/NAK Off
.
RS232 Timeout
XON/XOFF On
* XON/XOFF Off
ACK/NAK On
* ACK/NAK Off
Содержание Vuquest 3330
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