Appendix B Host Computer Interface

6

The printer‘s RS-232C parameters are factory-set to

the following values:

 

 

Baud rate=9600 bps, data bits (character length)=8

 

bits, stop bits=1, parity=none

 

The two RS-232C protocols are XON/XOFF and

 

DTR. The printer performs both of them

 

simultaneously, using positive logic for DTR.

 

If you are uncertain as to the printer’s current

 

parameter settings, you can reset them to the values

 

listed above.

7

Set the computer to the same parameters as the

printer. On many computers this can be done by set-

 

ting DIP switches before the power is turned on. Another method is as follows:

5.3 Setting the RS-232C Parameters

Windows XP, proceed as follows:

1

Click on the Start button in the Windows XP task

bar and align the cursor with Settings, then click on

 

 

Control Panel from among the items displayed.

2

The Control Panel window opens. Double click on

System.

3

System Properties window opens. Click on the

Hardware tab, then click on the Device Manager

 

button, and double click on Ports (COM & LPT).

Figure B-14 Double click on Communications Port.

5

The Communications Port Properties dialog is dis-

played for the selected COM port. Click on the Port

Settings tab and set the port properties.

 

Figure B-2

6

After setting the properties, click the OK button.

Windows 95/98/ME

1

Click on the Start button in the Windows 95/98/ME

task bar and align the cursor with Settings, then

 

 

click on Control Panel from among the items

displayed.

2

The control panel folder opens. Double click on

System.

3

System Properties opens. Click on the Device

Manager tab, then click on the COM port to be used.

 

Figure B-3

4 Click on the Properties button.

B-5