Hand Held Products 4620, 2020 system manual RS-232 Receiver Time-Out, RS-232 Handshaking

RS-232 Receiver Time-Out

The unit stays awake to receive data until the RS-232 Receiver Time-Out expires. A manual or serial trigger resets the time-out. When an RS-232 receiver is sleeping, a character may be sent to wake up the receiver and reset the time-out. A transaction on the CTS line will also wake up the receiver. The receiver takes 300 milliseconds to completely come up. Change the RS-232 receiver time-out by scanning the bar code below, then scanning digits from the inside back cover of this manual, then scanning Save. The range is 0 to 300 seconds. Default = 0 seconds (no time-out - always on).

RS-232 Receiver Time-Out

RS-232 Handshaking

RS-232 Handshaking allows control of data transmission from the imager using software commands from the host device. CTS/RTS operates in mode 2. When this feature is turned Off, no data flow control is used. When Data Flow Control is turned On, the host device suspends transmission by sending the XOFF character (DC3, hex 13) to the imager. To resume transmission, the host sends the XON character (DC1, hex 11). Data transmission continues where it left off when XOFF was sent. Default = RTS/CTS, XON/XOFF and ACK/NAK Off.

RTS/CTS On

* RTS/CTS Off

XON/XOFF On

* XON/OFF Off

ACK/NAK On

* ACK/NAK Off

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