Denso BHT-805B User Manual page 117

BHT-805B
[8] Key-entry, speaker and vibrator test
Use the following procedure to perform a key entry, speaker and vibrator
test.
1.
Select "8: KEY & VIBRATION" at the TEST menu and then press
the ENT key.
The screen displays as shown on the right, and the BHT waits for key
entry.
2.
Press the ENT key.
Pressing individual keys displays the identifier letters in the positions
pre-assigned to those keys on the LCD, as well as sounding the speaker
or activating the vibrator. (As long as the individual key is held down, the
BHT continues to beep or vibrate.)
3.
Press the same key again.
The displayed characters disappear.
4.
Repeat the above operation to display all keys on the screen.
Upon completion of the test, the BHT automatically returns to the TEST
menu.
Turn OFF the power to abort the test during testing.
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