Denso BHT-904BB User Manual page 130

BHT-904BB
[8] Key-entry, beeper and vibrator test
Use the following procedure to perform a key entry, beeper 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 a key.
Pressing individual keys displays the identifier letters in the positions pre-assigned to those keys on the
LCD as well as sounding the beeper 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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