1D Symbologies Enter/Exit Programming Mode
Product Reference Guide 155
Code 39 Check Character Transmission
Enable this option to transmit the check character along with Code 39 bar code 
data.
Code 39 Check Character Transmission = Don’t Send
Code 39 Check Character Transmission = Send
Code 39 Check Character Calculation (continued)
$CC3CC04
Code 39 Check Character Calculation = Enable Italian Post 
Check
$CC3CC08
Code 39 Check Character Calculation = Enable Daimler 
Chrysler Check
$CC3CT00
$CC3CT01