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6-82 0DJHOODQ 6FDQQHU
56+RVW(FKR
When enabled, this feature passes all data through the scanner to the host
as it comes in. This feature is used for applications where “daisy chaining”
of RS-232 devices onto the same cable is necessary. If, for example, one of
the devices in the chain is a terminal where someone is entering data while
another person is simultaneously scanning a bar code requiring transmis-
sion to the host, the scanner will wait for the RS-232 channel to be quiet
for a specified period of time (set via RS-232 Host Echo Quiet Interval).
The scanner can be set to observe this delay before sending its data in
order to avoid RS-232 transmission conflicts.
To enable/disable this feature:
1. Scan the SWITCH bar code.
2. Scan either the enable or disable bar code below. You’ll need to
cover any unused bar codes on this and the facing page to ensure
that the scanner reads only the bar code you intend to scan.
3. Complete the programming sequence by scanning the SWITCH
bar code.
RS-232 HOST ECHO = DISABLE
RS-232 HOST ECHO = ENABLE
NOTE
When RS-232 Host Echo is enabled, the following features are ignored: RS-
232 Software Flow Control and RS-232 ACK NAK Enable as well
as all other ACK/ NAK related operations, plus processing of RS-232 host
commands.