User`s manual

December 2003
3-36 Programming Site Data
Setting Up RS232 Communications Port
(cont.)
To set up communications parameters:
1. Choose the baud rate. Use the [←] [→] keys to view all the
options. Then press the appropriate feature key to select the
desired baud rate.
2. Enter the UART bits. Use the [←] [→] keys to view all the
options.
3. Press the appropriate feature key to select the desired data and
parity.
The communications settings have now been selected. To exit the
Program Menu, press [EXIT]. Remember, after you enter the
desired information, refer to page 3-32 to save the site data.
Windows 3.X Systems
To set up serial communications with a personal computer
running under Windows 3.X, make sure the PT868 is powered on
and complete the following steps:
1. In Windows 3.X, select the Terminal Function, which is
usually located in the Accessories window.
2. The Terminal Screen appears, with six menus located at the
top of the screen. Using the Settings Menu, select the
Communications option.
3. When the Communications Screen appears, make the
following selections:
• Baud Rate - set to the same value as the PT868 setting
• Data Bits - 8
• Stop Bits - 1
• Parity - None
• Flow Control - Xon/Xoff
• Connector - select the correct communications port
• Parity Check - not checked
• Carrier Detect - not checked