4
Illumination
The EM20-85 has four white LEDs for supplementary lighting, making it possible to scan barcodes even in complete
darkness. The illumination can be programmed On or Off.
Buzzer
The EM20-85 provides a buzzer to indicate power-on and good read statuses. The Power On Beep and Good Read Beep
can be programmed On or Off, and the Good Read Beep Volume, Duration and Frequency are also programmable by the
user. To learn how to program these parameters, please see the EM20-85 user guide.
