Post-Installation Configuration & Checkout3-2 560-0982-00 Rev D Apollo CNX80 Installation Manual3.2.1 S ETUP FUNCTIONThe SETUP function allows the custom configuration of the CNX80 for each individual installation. TheSETUP function allows the installer to configure the serial and ARINC 429 ports, calibrate the resolverhead (if installed), calibrate the baro potentiometer (if installed), and set COM parameters.3.2.1.1 Serial PortsWhile on the Ground Maintenance SETUP menu page, press the SERIAL PORTS line select key tochange the serial port settings. The serial port setup page is shown in Figure 3-2.Figure 3-2 - Serial Port Setup PagePush the small, inner knob in to enter the editing mode. The first editable item will be highlighted. Use thelarge, outer knob to select the next or previous editable data field and turn the small, inner knob to changethe current setting. Set each serial port according to the installation, and leave unused ports set to NONE.Either press the small, inner knob in again or press the MENU/ENTER key to save the settings. Press theSETUP or BACK smart key to return to the Ground Maintenance SETUP menu. The configurationoptions for the serial input ports and output ports are shown in Table 3-1.NOTEIn order for a serial port to function correctly, the baud rate of the RX and TX channels ona given RS232 or RS422 port must be the same (or the unused channel must be set toNONE). This must be considered when assigning serial ports to interfacing equipment.