User's Manual
![](/manual/optoelectronics/opn2002/user-s-manual-english/images/img-7.png)
OPN-2002 SS07114
7
4. Views of a device
① Reading window The laser beam emits from here to scan the barcode.
② USB connector cap A cap for a USB connector.
③ Trigger key Press the key to scan barcodes
④ Function key A function key configurable by the application.
⑤ LED Indicate the status of barcode reading, Bluetooth connection or warning.
⑥ Buzzer Buzzer
⑦ Eyelet Fix a wrist strap here.
⑧ Connector A connector for recharging and data transmission to a dedicated cradle.