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WLS 8400 Product Reference Guide
10-6
where:
Class = 24
Stock Number = 56712437
Price = 01500
Ordinarily, data is sent as follows:
24 (class key)
56712437 (stock key)
01500 (enter key)
But, when there is a sale, send only the following:
24 (class key)
56712437 (stock key)
and the cashier keys the price manually.
To implement this, first enter an ADF rule that applies to the normal situation. This rule
may look like this:
When scanning a bar code of length 15, send the next 2 characters, send the class key,
send the next 8 characters, send the stock key, send the data that remains, send the Enter
key.
The “sale” rule may look like this:
When scanning a bar code of length 15, send the next 2 characters, send the class key,
send the next 8 characters, send the stock key.
To switch between the two sets of rules, a “switching rule” must be programmed. This rule
specifies what type of bar code must be scanned to switch between the rule sets. For
example, in the case of the “sale” rule above, the rule programmer wants the cashier to scan
the bar code “M” before a sale. To do this, a rule can be entered as follows:
When scanning a bar code of length 1 that begins with “M”, select rule set number 1.
Another rule could be programmed to switch back.
When scanning a bar code of length 1 that begins with “N”, turn off rule set number 1.