Unitech MS146 User Manual download pdf (Page 13)

MS146 Manual

Baud Rate

Baud Rate (bits per second) refers to the speed of the data through

the RS232 port. If the data error rate is unacceptably high, setting

the baud rate lower should help.

Default is “9600 Baud”.

RS232

ACK/NAK

Data characters that are sent from the receiver to the sender in

order to “acknowlege” or “not acknowlege” the receipt of the data

without error. Rarely used these days.

Default is “No”.

Handshaking

Handshaking is the mechanism that controls the speed of data flow

so that a slower receiver of data is not overwhelmed by a faster

sender of data. Selections are: “Ignore”, “RTS (request to send)

Enabled at Power Up”, and “RTS Enabled in Communication”.

Default is “Ignore”

Data Bit

Number of bits per byte that are dedicated to data (minus start/stop

bits).

Default (and the current universal standard) is “8 Data Bits”.

Parity

A technique used to detect data transmission errors by adding an

extra bit to each character. This scheme has been supplanted in

modern communication devices by “error correction”.

Default (and the current universal standard) is “No Parity”.

BCC Character

Block Check Character. An error checking character added for data

integrity.

Default is “No”.

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Unitech MS146 User Manual Page 13