Zebra Technologies EPL2 - Manual (Page 89)

oW Command - Customize Bar Code Parameters
Description: This command allows the advanced program-
mer to modify specific bar code parameters to
exceed the specified bar code’s design toler-
ances, i.e. reduce the bar code size.
Using the oW command may cause bar codes to be-
come unreadable by some or all bar code scanners.
Syntax: oWp
1
, p
2
, p
3
, p
4
, p
5
Parameters: p
1
= Initial width narrow white bar.
Default value is 2
p
2
= Initial width narrow black bar.
Default value is 2
p
3
= Initial width wide white bar.
Default value is 4
p
4
= Initial width wide black bar.
Default value is 4
p
5
= Initial bar code gap.
Default value is 3
The oW command is a global printer command.
❏They can not be issued inside of a form.
❏They must be issued prior to issuing a bar
code command (and printing).
❏Use only one bar code format. Using more
than one bar code may cause unpredictable
results or operation.
❏Issue all 5 command parameters (p1-5 ). Use
the default parameter values as place holders.
❏Bar code printed with this command should
be printed in the picket fence orientation (0º
& 180º rotations) to maximize scanning.
980352-001 Rev.A
3-71