20 QS2500
Beep/Tone/LED Settings
Power-On Alert: After power-on, the QS2500 will generate an alert signal to 
indicate a successful self-test.
LED Control: After each successful bar code reading, the LED above the 
QS2500 will light up.
Beep Control: After each successful bar code reading, the QS2500 will 
beep.
Beep Loudness/Beep-Tone Frequency/Beep-Tone Duration: You can adjust the 
loudness, tone, and duration of the good-read beep.