Waveshare Barcode Scanner Module - BUZZER DRIVING FREQUENCY OPTIONS; BUZZER WORKING LEVEL OPTIONS; SILENCE ALL WARNING TONES

Barcode Scanner Module User Manual
20 / 57 Rev1.0 Date:180621
You can set the buzzer to active/passive buzzer, as well as setting the driving
frequency of passive buzzer.
Note:
LF: Low frequency;
MF: Midium frequency;
HF: High frequency
In active driving mode, user can set the working level of buzzer.
User can turn off all the warning tones by use the code “Enable silence”.
Driving frequency-
Passive LF
*Driving frequency-
Passive MF
Driving frequency-
Passive HF
Driving frequency-
Active
*Working level-
High
Working level-
Low
Enable silence
*Disable Silence