Denso BHT-904BB User Manual page 128

BHT-904BB
3.
At the slave BHT to be tested, select "1: SLAVE", and at the
master BHT, select "2: MASTER". Then press the ENT key.
The screen displays as shown on the right during the test, and an infrared
communication test is performed.
If an error occurs, the tested slave BHT beeps three times and displays
the screen on the right.
The meanings of the error codes in parentheses are as follows.
( X X )
1: 9600 bps
2: 115200 bps
3: 460800 bps
Press the Backspace/clear key to return to the TEST COMMUNICATION menu.
The master BHT automatically returns to the TEST COMMUNICATION menu 10 seconds after the
occurrence of an error.
Upon normal completion of the test, the tested slave BHT beeps once and
displays the screen on the right.
Press the Backspace/clear key to return to the TEST COMMUNICATION
menu.
The master BHT automatically returns to the TEST COMMUNICATION
menu.
112
1: The received data is different from the sent data.
2: A timeout has occurred during standby for data reception.