Scanning Bar Codes - Opticon OPN2002 Demo Application Manual

4 Barcode d atabase f ile
All s canned u nique b arcodes a re s tored i n a d atabase f ile w ith f ixed l ength r ecords. B esides
the b arcode d ata, t he q uantity, s erial n umber o f t he O PN a nd a d ate/time s tamp c an b e
stored.
The d efault f ormat o f e ach r ecord i n t he d atabase f ile i s:
<Barcode (40 chrs)>,<Quantity (6 chrs)>,<serial #>,<hh:mm:ss>,<dd/mm/yyyy>
Example:
8710841030181
8710841090246
9780131103627
The f ile n ame o f t he d atabase i s ' DATA.TXT', w hich i s s tored o n t he O PN. D epending o n t he
selected i nterface t his f ile c an b e r etrieved f rom t he O PN a s f ile f rom a M ass S torage
Device o r t ransferred b y U SB-­‐VCP o r C RD2000 u sing t he N etO32 a pplication.
When u sing t he N etO32 a pplication t o r etrieve t he b arcode d ata, a ny t ransmitted d ata w ill
be a ppended ( by d efault), s o a ll d ata o f m ultiple O PNs w ill e nd u p i n a s ingle d atabase f ile.
The r esulting d atabase f ile c an b e i mported i n v arious a pplications a s s o-­‐called c omma-­‐
separated ( CSV) f ile.
To c ustomize t he o utput f ormat o f t he d atabase f ile, p lease c heck A ppendix A .
If n o q uantity f ield i s s pecified i n t he o utput f ormat, t hen e ach b ar c ode w ill b e s tored i n a
separate r ecord.
5 Scanning b arcodes
This d emo u ses t he t rigger b utton t o e nable t he l aser t o s can b arcodes.
If a b arcode i s r ead u sing t he t rigger k ey a nd g ood r ead b eep i s p roduced a nd a g reen
goodread L ED i s s hown. T he b arcode i s t hen s tored i n t he d atabase w ith a q uantity o f ' 1'. I f
the s ame b arcode i s s canned a gain t he q uantity i s i ncremented b y o ne.
To d ecrement t he q uantity o f a b arcode t hat's a lready i n t he d atabase t he b arcode s hould
be r ead u sing t he s mall d elete k ey. A s hort g ood r ead b eep i s p roduced a nd a n o range r ed
good r ead L ED i s s hown.
If a b arcode i s s canned u sing t he d elete k ey t hat i sn't p resent i n t he d atabase o r t hat
already h as a q uantity o f ' 0' a l ow e rror b eep i s s ound a nd a r ed l ed i s s hown.
, 12,003278,14:41:03,23/11/2009
, 2,003278,14:41:04,23/11/2009
, 1,003278,14:41:00,23/11/2009
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