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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.
Communication Timeout
This allows you to set the length (in milliseconds) for a timeout for the host ACK/NAK response. Scan the bar code below,
then set the timeout (from 1-65535 milliseconds) by scanning digits from the Programming Chart, then scanning Save.
Default = 2000 ms.
Timeout Retries
This setting limits the number of Communication Timeout retries. If the Timeout Retries is set to 0, the transmission is
terminated after the initial Communication Timeout. Scan the bar code below, then set the number of retries (from 0-
255) by scanning digits from the Programming Chart, then scanning Save. (5 is the recommended setting.) Default =
0.
Communication Timeout Beeper
This selection programs the scanner to issue an error beep when a communication timeout has occurred. The error
beep sound is programmed using Number of Beeps – Error (page 4-3). Default = On.
ACK/NAK On
* ACK/NAK Off
Communication Timeout
Timeout Retries
O
f
f
* On