88Testing the IrDA interface portOn the TEST COMMUNICATION menu, selecting "1: OPTICAL" callsup the screen shown at left.At the slave BHT to be tested, select the "1: SLAVE" and at themaster BHT, select the "2: MASTER." Then press the ENT key.During the test, the screen shown at left is displayed.If any error occurs, the tested slave BHT beeps three times andshows the screen at left.In parentheses are error codes which have the following meanings:(X X)1: The received data is different from the sent data.2: A timeout has occurred during standby for datareception.1: 2400 bps2: 9600 bps3: 115200 bpsThe master BHT automatically returns to the TESTCOMMUNICATION menu after 10 seconds from the occurrence of anerror.Press the C key to return to the TEST COMMUNICATION menu.Upon normal completion of the test, the tested slave BHT beeps onceand shows the screen at left.Press the C key to return to the TEST COMMUNICATION menu.The master BHT automatically returns to the TESTCOMMUNICATION menu.
