■ This command specifies the number of rows in the data area of PDF417.
• When n=0, automatic processing is set
• When n is not 0, the number of rows is set to n rows.
■ Settings of this function affect the processing of Functions 081.
■ With auto processing (n=0) specified, the maximum number of rows is set to 90.
■ With auto processing (n=0) specified, the number of rows is calculated by using the following information:
• Printing area when processing Functions 081
• Module height (Function 068)
■ The setting of this command remains effective until ESC @, printer reset or power cycling is executed.