Specifications

5.3. Starting/Stopping the Beeper/Vibrator
The beeper/vibrator is activated or deactivated by the following functions:
Function Used to:
BHT_StartBeep
Activate the selected device (beeper or vibrator).
BHT_StartBeeperOnly
Activate the beeper.
BHT_StartVibratorOnly Activate the vibrator.
The functions listed above start the beeper/vibrator control and immediately pass control to the
subsequent statement or function. The actual device operation is carried out in background processing.
Specifying the frequency with value 0, 1, or 2 sounds the beeper with the frequency listed below. If any
other value is specified, the beeper sounds at the maximum volume.
Parameter value Frequency (Hz)
0 698
1 1396
2 2793
If the suspend or critical power states are turned OFF while the beeper is sounding or the vibrator is
vibrating, the BHT resumes with both the beeper and vibrator stopped when the unit is next resumed.
5.4. Priority Orders between Events that Activate the Beeper/Vibrator
There are priority orders between events that activate the beeper/vibrator as listed below.
Priority Event that activate the beeper/vibrator
System error
Completion of barcode reading
Setting in applications
Higher
Lower
Key clicks or screen taps
When the beeper or vibrator is being driven by any event, the lower priority event (if happens) activates
no beeper or vibrator but the same or higher priority event (if happens) overrides the currently operating
beeper or vibrator and newly activates the beeper or vibrator.
5.5. Beeper Volume Patterns
The beeper is activated according to the beeper volume as listed below.
Beeper volume Volume
1 (lowest)
2
Soft
3
4
Mid
5 (highest) Loud
12