Denso BHT-825QW User Manual page 149

BHT-825Q series
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 on the right displays during the test, and an infrared
communication test is performed.
If an error occurs, the tested slave BHT speaker 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 BS/C 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 speaker beeps
once and displays the screen on the right.
Press the BS/C key to return to the TEST COMMUNICATION menu.
The master BHT automatically returns to the TEST COMMUNICATION
menu.
134
1: The received data is different from the sent data.
2: A timeout has occurred during standby for data
reception.