Denso BHT-904B User Manual page 127

[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.
P ressing individual keys displays the identifier letters in the positions
L CD as well as sounding the beeper or activating the vibrator. (As long
th e BHT continues to beep or vibrate.)
3.
P ress the same key again.
The displayed characters disappear.
4.
Repea t the above operation to display all keys on the screen.
U pon completion of the test, the BHT automatically returns to the TEST
m enu.
T urn OFF the power to abort the test during testing.
Barcode Handy Terminal
pre-assigned to those keys on the
as the individual key is held down,
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