The Eltron Company P310 - Manual (Page 108)

Particularly note the following:
• A selection results by typing a list item number followed by <Enter>.
• Selection of Exit returns the DOS prompt.
• Selection of “Change of COM port” should always follow the program launch to
establish the port that has the Printer attached.
• Typing <Esc> usually returns the previous screen.
A.2.2 Changing the COM Port
Note the following screen, which appears with selection of Item 3. Change of COM PORT
offers three choices—two serial (COM 1 and COM 2) and one parallel (LPT 1). Item 3,
LPT1, is required when the PC is attached to the printer.
A-4
980264-001 Rev.B
APPENDIX A