KEYENCE BL-N70 Series - Manual (Page 13)

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1-2 Identifying Part Names and Functions
This chapter describes names and jobs of each part of the BL-N70 series.
Trigger switch:
Use the switch to read a barcode.
Emitter/receiver:
Emits and
receives laser light.
Connector:
Use the connector to connect to a computer or to a
reader port with a dedicated power source.
The shape of the connector is different for each model.
Red LED for operation status
Green LED for operation status
LED color LED lighting
Red When laser emits
Green
When the power is
turned on
While reading the
barcode